As mentioned, the kit is designed to fit small pin (.154-inch diameter) Mil-Spec AR-15 style lower receivers. Having said that, there is a wide choice of what you can actually purchase in kit form. These original parts also come in Colts color coating. Using IPD gas engine parts for Caterpillar and Waukesha overhauls we have been very pleased with IPD quality, service and support we can visually see quality in both the parts and packaging. I enjoy doing business with you For inquiries about our products and services, contact us through our online form and well get in touch with you soon. Any of these kits will give you that unique build that will take you to retro gun heaven! Remember: You Will need a lower receiver to complete the AR-15 M16 Rifle Kits. IPD parts perform consistently for many years under constant load and high operating temperatures, increasing your total engine service life. Before taking a look at 7 of the best M16A1 parts kit choices, here are the key components of each receiver. Reduce your engine costs and maintain a high vehicle performance with IPD aftermarket parts. [We] are dedicated to the natural gas and diesel marketssince 1996, we have distributed IPD parts for Caterpillar enginesin our industry it is of high importance to obtain quality, service and cost savings we recommend to IPD high quality Caterpillar engine parts. Bushmaster AR-15 / M16 Emergency Survival Kit. Its common pairing with the .223 Remington or 5.56 NATO makes it highly useful for a wide range of sporting and competitive pursuits, and it is a platform that has an extremely large number of interchangeable parts. . 86. Add to cart. Copyright 2023 SARCO, Inc. All rights reserved. Since 1955, IPD USA has expanded across the globe to offer components for heavy-duty equipment servicing diverse commercial and industrial companies. Original Colt M16A1 Rifle Kits with that nostalgic Vietnam War era look and feel can be used to transform your existing semi-auto AR15 rifle into a vintage looking M16. The disconnector is above the trigger. that the Mil-Spec trigger is heavy. You then get the trigger guard and associated pivot pin, bolt catch, ejector/selector spring, and an Accu-Wedge. Grips & Grip Extensions. Shop now! Rifle Parts & Springs. IPD engine parts far exceeded the requirements we expectedexcellent results with pistons, induction hardened liners, and grooved rod bearings, getting in some cases over 40,000 hours without any problemsservice and support we get is excellent. Our build kits include everything your build needs, along with the upper receiver and bolt, with the exception of the lower receiver. By doing so, it will give a new condition furniture set for your M16A1 build. Shop AR15 / M16 Gun Parts AR15 M16 M4 Carbine About AR15 - M16 Type Rifles Muzzle Devices. 1ea, 3 ea, 5 ea, and 10 ea . He loves writing and sharing his extensive knowledge of firearms, especially AR rifles and tactical equipment. Once installed, this careful and accurate design will replicate the original grip issued to U.S. service personnel. AR-15 Fire Control Group OEM manufacturer. Kit will not include full auto, sear disconnector, bolt catch detent and . Each of our warehouses are stocked with market specific IPD-branded products and carry quality parts like our pistons and gaskets manufactured in our Torrance, CA facility as well as thousands of parts sourced to meet your engine-specific requirements and exceed your expectations. Add to Cart. It goes without saying that your choice of barrel is an essential and personal part of your build. GUARANTEED. To help with that, here are 7 top-quality options. Subscribe to our newsletter to receive updates on industry news, product announcements, and upcoming events. LWRCI Neck Gaiter. Buyers can also be assured that everything included fits perfectly together. This was the first AR-15 adopted by the US Air Force in 1959. Special: Add a Nitride barrel for only $79.95. Select Options. The result of reduced 1st and 2nd stage pull weights means consistency. Most shooters will feel the noticeable creep but, with practice, will master it. Then take a look at our comprehensive reviews of theBest AR 15 ACOG Scopes, theBest Lube for Ar 15, theBest AR 15 Soft Case, theBest 9mm AR15 Uppers, and theLightest AR 15 Handguardsyou can buy in 2023. It is not impied that any part is the product of the manufacturer. These are the assembly, spring, and roll pin. In addition to M16 and AR 15 parts, we also carry AR15 accessories, including slings, M16 magazines, pistol grips, pouches, cleaning kits, scopes, red dot sights, Magpul MOE stocks, gas blocks, hand guards, innumerable small metal parts, and receiver parts, and countless other accessories. When looking at thebest quality M16A1 parts kitsfor a complete upper, they should also include a gas tube, rear and front sight assembly, flash hider, and delta ring. PSA Upper Build Kit and Classic Lower Parts Kit Combination - Model No: 37448 - Best Value M16 Build Kit. 90 Side Folding Parts Kit, Romanian AKM-47 PM-90 Commando Side Folding Parts Kit, STEN MK5 Parts Kit - Wood Stock & Grip, 9MM Luger. Using IPD products [since 1999], and have been very satisfied with the qualityavailability and prompt delivery of almost all parts needed to rebuild our Detroit Diesel , Caterpillar and Cummins Engines. M16 / M16A1 Operators Manual, Department of the Army, TM 9-1005-249-10, Paperback, *Very Good* $12.95. Complete sets or individual parts are available at prices to fit all pockets. So, heres what their lower receiver parts kit has to offer. Order Gun Parts Kits Online | Home of EveryGunPart.com | EveryGunPart.com Create an Account Long Gun Kits Rifles Bolt Action Lever Action Pump Semi-auto Other Shotguns Bolt Action Overunder Pump Semi-auto Side by Side Single Shot Handgun Kits Revolver Kits Semi-Automatic Kits Single Shot Kits Derringer Kits Saturday Night Specials NFA Kits Once installed, shooters can expect enhanced trigger control that lends itself to greater accuracy. Genius Ecommerce by 1Digital. The Reference Guide is chocked full of over 1,000 useful gun schematics and drawings as well as up to date . The alternative is to purchase this combo for a new, separate build and add other essential parts as you see fit. Back when I built my first AR, the cheep way was to buy a lower, then go to Numrich and buy an ex-GI M16 parts kit; they weren't pretty, but they were functional--parts is parts, as they say. Here at Sarco Inc we offer parts and accessories for these classic rifles. Those builders on a budget or anyone looking for real value will find this is one of thebest parts kits for M16out there. It is important to match the correct gas system length because it will ensure smooth cycling and moderate recoil. M16 Fire Control Group, 3 position full auto. However, that does not guarantee that a given AR-15 part will fit your specific model, especially since there are so many different types of similar modern sporting rifles in the industry. CZ 82 Parts. Add to Cart. Heavy Equipment Maintenance & Trading Company. Numrich Gun Parts Corporation. We know what you want. Not Yet Rated View Available Options. Parts Kits Shipping & Handling for Parts Kits. The AR15, Americas Rifle, and the M16 are among the most popular modern firearms on the market. IPD provides high-quality repair and replacement parts for the demanding drilling industry, reducing operation downtime. has expanded across the globe to offer components for heavy-duty equipment servicing diverse commercial and industrial companies. It should be said (and expected!) Moving down brings us to the lower receiver parts kit. You'll find over 90,000 products from top brands and hard-to-find unique gun parts, firearm accessories, gunsmithing tools, and other products to maintain, repair, and upgrade your guns for work, home, hobby, and protection. When looking to build your own personalized M16A1, there are some excellent options available. This review and the next one focus on individual parts offered by Brownells. This includes an A2 pistol grip, robust black oxide-coated hammer, trigger springs, and a black phosphate trigger. IPD provides rebuilders with a full range of quality engine line products that range from steel pistons to overhaul kits for diesel . We've been supplying customers with hard to find parts since 1950 and have a wide selection of parts for your AR15 / M16. But which of these Best M16A1 Parts Kits Should You Buy? We specialize in all military surplus weapons from AK-47s, AR-15s, Mausers, CETME, Enfields, UZIs, and much more! As mentioned much earlier in the piece, theM16A1 parts kit packagesoffer flexibility. He, unfortunately, received injuries to his body while serving, that included cracked vertebrae and injuries to both his knees and his shoulder, resulting in several surgeries. 80% AR-15 Receiver Sale * HOT Item * 80% AR-15 Receiver Sale. This makes it essential to check your local state laws. Purchase of this kit gives all of the small parts required to finish a small-pin AR-15 lower receiver. Dont let the full-auto term put you off. You need to understand clearly what their ruling is on the purchase of any firearms part. It has 1,120 pages which includes cross reference data and information that covers all of the leading firearm manufacturers, so be sure to grab yours today. So, in states where such a purchase is not prohibited, many AR-platform builders will buy a lower receiver assembly. It also offers robust reliability, which comes from proven field use. To create online store ShopFactory eCommerce software was used. This has a slightly less complex build than the upper, but is potentially a more complex purchase! AR-15 Rifle Kits and M16 rifle parts kits made by MIL-SPEC Military contract manufacturers and other name brand companies. 9x19/9MM Luger. The M14 was the last American battle rifle issued to members of the United States Armed Forces. MACHINE GUNS. $9.95. We encourage guests to look up part numbers at any time. Experienced answers preferred over drive by comments. Displaying products 1 - 29 of 29 results Show: Sort: We carry buttstocks, Carbine length handguards, Rifle length handguards, parts kits, pistol . I recommend the IPD 3500 valve train components. . Note on the delta ring: If you choose a handguard that is free floated, quad rail, or a proprietary handguard/rail system, your upper kit does not need to contain one. Lets take a look at each in turn: You can choose between what is termed an M16 full-auto BCG or an AR-15 semi-auto BCG. 1100$. Built to Mil-Spec, its 1st stage pull weight comes in at 2.3 lbs with a 2nd stage pull of 1.2 lbs to give a total pull weight of just 3.5 lbs. $16.95 $13.99 Sale. . Our warehouses are equipped with modern inventory management control systems to ensure that your order is shipped quickly, and you get exactly what you need. IPD provides rebuilders with a full range of quality engine line products that range from. One of the main things that makes the AR15 such a popular sporting rifle platform is the fact that it is both versatile and highly modular. , and everything else you need to increase your equipments performance. M-16 Select Fire Control Group with Sear and Sear Pin. Add to Cart. Colt was responsible for the manufacture and distribution of the original AR-15/M16 weapons. Set Up your account today. What this means is that the color closely replicates the original M16A1 used by U.S soldiers in Vietnam. Whether you need a full M14 parts kit or vintage magazine pouch to complete a historical reenactment look, . IPD engine parts far exceeded the requirements we expectedexcellent results with pistons, induction hardened liners, and grooved rod bearings, getting in some cases over 40,000 hours without any problemsservice and support we get is excellent. 89. Me too, I have an example of every standard US rifle back to the Spanish American war except for an M14 variant which I'm hoping the price on M1A's will become reasonable again after a while and I'll snag one. When it comes to support and service, IPD has you covered with over 75,000 square feet of warehouse space in the United States and locations serving Europe, Middle East, Asia, and Australia. UZI Parts - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Advanced Technology ATI Shotgun Stocks, Gunsmith's Tools & other very unique items. To finish these reviews ofquality M16A1 parts kit choices, here is a standout Vietnam-era reproduction design. This upper kit can be used as a replacement set. There was actually a real Comic book issued to troops in regards to the M16A1 Rifle. To order Five or more Parts Kits please contact us for shipping quote. This should tell shooters that the company knows their way around the rifle build. The M16 Trigger would have to have metal added to the rear of it to meet AR15 specs, so it would be easier to just buy an AR15 Trigger. Socket for pedestal mount MNT024 Accurate late production socket used to make pedestal mounts like the M25, M31, etc. You are using an out of date browser. However, thisbest parts kit for M16A1does not include a trigger, hammer, disconnector, or a pistol grip. Shop available M16 parts from Numrich Gun Parts Corporation today! A gun that enemy troops were using to serious effect in the jungles of Vietnam. PSA then adds to this their lower parts kit (without FCG) and a Mil-Spec buffer tube assembly. We critically measure parts before we install them, and we can confirm that IPD parts have excellent specifications comparable to OE parts. $2.00. These come in different configurations and include a variety of needed and optional parts. The AR15, Americas Rifle, and the M16 are among the most popular modern firearms on the market. PISTOLS. Though it was phased out on the front lines in favor of the modern M16 Assault rifle, the amazing accuracy and balance of the M14 has led to it being retained for ceremonial purposes, sniping, and shooting competitions to this day. Any shooter wanting to recreate this classic weapon will need to buy the best M16A1 parts kit packages. They offer a fair choice of M16A1 parts kit solutions along with other retro gun kits. You want quality parts and you want them fast to keep your business in business. As will be seen, this is a comprehensive, well-priced package. They are legal and come in a little longer and heavier than the semi-auto option. The Reference Guide is also available in PDF version - click here to see. 1 1/4 inch in length. You want quality parts and you want them fast to keep your business in business. Welcome to M-16parts.com Our parts, M-16 AR-15 kits, and Barreled Uppers are constructed using only Mil Spec parts from Shaw, Wilson Arms, FN, and Colt contractor's. . The Auto-Sear is of no use at all and should be sold to an owner of a real M16. There was actually a real Comic book issued to troops in regards to the M16A1 Rifle. 16" ARM-4 Chrome Lined, 4150, 1x7 Twist, F Sight Base, M-4 Feed Ramps, Flat Top A-4 Kit with Bolt, Bolt Carrier and Charging handle. Whether you're in need of a small spring for your Colt 1911 or an aftermarket stock for your Savage bolt action rifle, this guide will make a perfect part-buying companion and help make your online shopping experience a breeze. MAUSER 98K RIFLE. Honed from highly durable 7075 aircraft-grade aluminum, each of the included parts are built to Mil-Spec standards. All parts are from quality OEM Military contract manufacturers made in the U.S.A. We also havemilitary manuals from the U.S. Marine Corps, andU.S. Army / U S Air force on line to help. Box 299, West Hurley, NY 12491 Telephone Orders: 845-679-2417, Customer Service: 845-679-4867, FAX: 877- GUN PART (877-486-7278) or Online: www.e-GunParts.com. Website by Hudson. These surplus, used 9mm STEN parts kits are complete minus barrel, barrel bushing and receiver tube. Moving down, the classic lower parts kit is a PSA Gen 2 offering and gives 24 all-USA-made parts. Subscribe to our newsletter to receive updates on industry news, product announcements, and upcoming events. Military MG34 Canvas Breech Cover Military Surplus. If you are looking for a complete upper or a complete AR15 or M16 parts kit, we have the options you need along with AR15 lower parts kits. Optional: New Romanian AK 16.25" Cold Hammer Forged Chrome-Lined 7.62x39mm barrel at a discounted rate. Since 1955, IPD USA has expanded across the globe to offer components for heavy-duty equipment servicing diverse commercial and industrial companies. Many internal and external parts (and AR-15 accessories) while not necessarily universal, are compatible between models. Privacy Policy. and our Additional handling of $5.95 - $12.66 per parts kit up to Four kits. Recoil pads. So, lets start with their AR-15/M16A1 rifle buffer tube assembly. Using IPD parts for 10+ years they have far exceeded the requirements we have expected of them getting in some cases over 40,000 hours without any problems service and support we get is excellent, and we are happy to continue to work with IPD. ORIGINAL COLT M16A1 PARTS KIT IN GOOD CONDITION. The tried and trusted design of an AR-15 comes from two main sections; the upper receiver and the lower receiver. A good example of use is the ability to alter your rifle in order to accommodate a collapsible carbine stock. 1919A4 Extended Charging Handle A4207 Gives you a good solid "grab" on the charging handle. Scope for building your ownvintage-style weapon gives choices galore, but it is the M16A1 that tops the retro charts. The pic shows the disconnector, but I don't see a sear. Select Options. His service included operation Restore Hope in Somalia and Desert Storm in Kuwait. . BCGs include the carrier, bolt with extractor, and other essentials such as the gas key, firing pin, and cam pin. The Reference Guide is chocked full of over 1,000 useful gun schematics and drawings as well as up to date manufacturer bios. When looking at thebest M16 parts kitavailable, retro builders have flexibility of choice. Those builders who want to take things further can combine this pistol grip with Brownells matching handguard set and buttstock. Additionally, our customers can always access IPDNet, our online customer portal, available for easy online ordering and part number searches. Conversion Kits. Add to that a magazine catch, release button and spring, pistol grip lock washer and screw, .250-inch rear takedown pin, two takedown pin detents, and the pin detent springs. Anyone looking to build their own weapon will find a wide selection of both receivers available. Manufacturer names noted are trademarks of their respective owners. Great collection! Some builders prefer to buy certain components individually. From the seven products I reviewed, a very solid choice is the. [We] are dedicated to the natural gas and diesel marketssince 1996, we have distributed IPD parts for Caterpillar enginesin our industry it is of high importance to obtain quality, service and cost savings we recommend to IPD high quality Caterpillar engine parts. Parts included are the bolt catch pin, plunger and spring, buffer retainer and spring, selector level, and detent. Upper Receiver Messenger Bag. Keep your projects moving with IPD engine parts that offer reliability and durability. He lives in Kansas with his wife Shirley and the two German Shepherds, Troy and Reagan. What is more, all included parts are original Colt factory made. This keenly priced combo is a convenient kit that can be used to outfit your stripped upper receiver and your lower receiver. Wondering if one of these will fit together with my grizzly lar lower and a commercial barrel? Gun Parts Kits; Gun Sights & Components; Gun Stocks; Gun Trigger Guards; Gunsmithing Supplies; Hand Stamps; Holsters; Knives; . PARTS & PARTS KITS; MAGAZINES; GRIPS & STOCKS; MOUNTS & SIGHTS; MUZZLE BRAKES / FLASH HIDERS; TOOLS & CLEANING; RAIL PARTS; SLINGS & ACCESSORIES; . 80 percent lower receivers and jig sets for AR-15 and AR-10 dpms type lower receivers. 226 Williams Ln. Handgun Parts & Springs. Quickview. That should not be seen as a negative because builders then have scope to select these individual components to suit their exact build (and wallet!). Browning M1919 22 Cal Chute Military Surplus. Price: $269.95 Quantity: STEN MKV parts kit with wood stock & grip. It offers home AR-platform builders a convenient kit to outfit their stripped upper and lower receiver. Good quality materials combine with strict dimensional tolerances to ensure proper fit and function. Get stocks, magazines, barrels and more for your gun from Numrich today. If you would like to find an IPD distributor or become an IPD distributor, please fill out the form to the right, If you would like to speak to one of our customer service representatives, please call 310-530-1900. August 20, 2019. This is officially known as an unfinished firearms receiver, and they can be purchased without a Form 4473 or any other paperwork. IPD engine parts are performing excellently, and have met our expectations. For a better experience, please enable JavaScript in your browser before proceeding. To order Five or more Parts Kits please contact us for shipping quote. APEX Gun Parts is your source for hard to find gun parts, parts kits, and accessories. The black color version I reviewed is the correct choice for Model 602, XM16E1, M16A1, and later generation rifles introduced after 1963. The M16 Hammer, Selector and Disconnector can be modified to AR15 specs by removing some metal. The reason for this is because it is classed by the ATF (Bureau of Alcohol, Tobacco, and Firearms) as a controlled part. Lets start with an upper receiver kit that will certainly not disappoint, the. It includes everything except for a stripped lower receiver, buffer assembly, and stock. Have a question? APEX Gun Parts is your source for hard to find gun parts, parts kits, and accessories. When You assemble the Lower Receiver with the parts included in the kit, this will be a fully functional rifle. IPD provides rebuilders with a full range of quality engine line products that range from steel pistons to overhaul kits for diesel and spark-ignited engines, and everything else you need to increase your equipments performance. As of May of 1986 there can be no new machine guns made for the civilian population. Best M16A1 Parts Kit On The Market Reviews. The PSA upper build kit includes 11 small parts that are used to attach your barrel to the receiver. Looking for more Superb Accessories or Upgrades for your AR-15? Commonly called the upper, this is the section that holds and protects critical parts of the AR rifle. Kingston, NY 12401. Numrich Gun Parts Corporation, 226 Williams Lane, P.O. 20" AR-15 Bull Barrel Rifle Kit. $24.95. This comes through a smooth, light 1st stage take-up followed by a crisp 2nd stage break. M16 parts, hammers, triggers, sear, sear pins and bolt carriers are available as replacement parts. We encourage guests to look up part numbers at any time. Our build kits include everything your build needs, along with the upper receiver and bolt, with the exception of the lower receiver. Whether for commercial, government or recreational applications, IPD delivers marine power solutions on time and perform beyond your expectations. Description. The Accu-Wedge is a high-density rubber insert that fills the space behind the takedown pin. 50 Cal Pin Latch Lock Spring M2HB223. OTHER WEAPONS. Reddit and its partners use cookies and similar technologies to provide you with a better experience. The adjustable length feature allows either 7-inch or 10-inch positioning, and the kit comes with a 2-position buffer tube, end plate, and castle nut. Handguard Delta Slip Ring. Using IPD parts for 10+ years they have far exceeded the requirements we have expected of them getting in some cases over 40,000 hours without any problems service and support we get is excellent, and we are happy to continue to work with IPD. This Aero Precision AR-15 upper receiver parts kit has been very well-received by M16A1 builders. Please select "More Info" to view updated item description. This coating gives a similar appearance as the originally used vinyl acetate. It includes MOE (Magpul Original Equipment) in the form of the Stock, Grip, and Trigger Guard. Ejector Port Cover Hinge Pin Snap Ring. With the mentioned Mil-Spec tolerances and ease of self-install this kit is a cost-effective choice tocomplete your M16A1 upper receiver build. The only thing "special" about AR15 parts is that the "naughty" M16 parts are the ones involved in selective fire. Parts Kits. Other equally key parts of an upper are the charging handle, forward assist, and ejection port cover. STEN GUN SMG. Quick View. Browse Numrich Gun Parts Corp.s selection of AR-15 parts from the leading manufacturers in the industry ranging from the distinctive handle and sight of the receiver to grips and barrels. Using IPD products [since 1999], and have been very satisfied with the qualityavailability and prompt delivery of almost all parts needed to rebuild our Detroit Diesel , Caterpillar and Cummins Engines. ORIGINAL COLT M16A1 PARTS KIT IN GOOD CONDITION. Maybe that's what they're calling the "disconnector"? Horizontally cut leaving trunnions intact. All Rights Reserved. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); All manufacturers' names, numbers, symbols and descriptions are for reference only. I enjoy doing business with you For inquiries about our products and services, contact us through our online form and well get in touch with you soon. Cookie Notice When deciding on the barrel length you want, make sure it matches your chosen gas block and gas system. Numrich Gun Parts Corporation This is because they come in complete sets or individual items to giveretro weapon building enthusiastschoice. We have hundreds of AR15 and M16 parts in stock with even more options available in our showroom. However, it is possible to purchase an 80% lower receiver. Thanks @Rusty Guns for the content. For more information, please see our Once installed, you then go for the trigger group and a pistol grip that best suits your style. Best M16A1 Parts Kit On The Market Reviews. This is where Geissele steps in by providing a quality Super Semi-Automatic Enhanced (SSA-E) 2-stage non-adjustable trigger. Special: Add Nitride barrel for only $79.95. If you would like to find an IPD distributor or become an IPD distributor, please fill out the form to the right. We got it. Lower operating costs by using premium quality parts backed by an industry-leading warranty of 2 years for spark-ignited engines and 1 year for diesel applications. 88. Combo Deal - [Colt M16A1 Parts Kit] and [AN/PVS-2 Night Vision Scope], AK63D Hungarian AMMS Underfolder Parts Kit, Bulgarian AK-47 Milled Parts Kit - Underfolder, HK .22 Caliber Conversion Kit For The G3/91, IMI UZI 9mm SMG Parts Kit w/Folding Stock, Polish AK-47 (Milled) Underfolder Parts Kit, Romanian AKM-47 PM md. Buying a complete (100%) lower kit is subject to procedures that must be followed when purchasing a complete firearm. Mil-Spec M16 Lower Parts kit and Black Nitrided Bolt Carrier Group Combo Set. Brownells offer kits for four standard buttstock types. The upper holds various components, including the guts of your M16A1 build. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. $760.00. Other Details Standard Product Videos. Additional information. Barreled upper shown, kit comes with buttstock and lower receiver parts kit. AK47/74/AKM. M16A1 look this this complete M16A1 Rifle build kit that includes complete M16A1 Upper assembly and A2 Stock And Buffer Kit plus AR 15 Lower Parts Kit. All Rights Reserved. New for 2019, Numrich Gun Parts Corporation is offering an easy to use Reference Guide that has replaced our traditional annual catalog. We carry buttstocks, handguards, parts kits, pistol grips, Barrels, rear sights,gas blocks, upper receiver parts, barrel parts, and more to accommodate nearly any shooter comfortably. The A1 rifle kit comes with a receiver extension tube, recoil buffer, recoil buffer spring, and required buttstock cap screw. New for 2019, Numrich Gun Parts Corporation is offering an easy to use Reference Guide that has replaced our traditional annual catalog.