Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

A2 Buffer Tube

Best Sellers
  1. Ar-15/M16 Buffer Tube Assembly - Commericial Buffer Tube Assembly
    Item#:
    100-010-862  
    Our Price:
    $52.99
    Description:
    All-in-one kit lets you quickly mount an M4-style receiver extension to accept the adjustable buttstock of your choice. Extruded aluminum buffer tube comes with carbine buffer, buffer spring, castle nut, and end plate sling adapter. Features six positions for stock length adjustment and unique "no bind" sling attachment that gives 180 degrees of motion. Mil Spec and Commercial models available. Mfg: Tapco Weapons Accessories Extruded 7075 T6 aluminum, matte black finish. Incudes carbine buffer, spring, castle nut, and sling plate adapter. Mil-Spec- 7 1/4" (18cm) long. 1.14" (2.8cm) O.D. Commercial-7 3/4" (19cm) long. 1.17" (2.9cm) O.D.
  2. Ar-15/M16 Buffer Tube Assembly - Mil-Spec Buffer Tube Assembly
    Item#:
    100-010-861  
    Our Price:
    $59.99
    Description:
    All-in-one kit lets you quickly mount an M4-style receiver extension to accept the adjustable buttstock of your choice. Extruded aluminum buffer tube comes with carbine buffer, buffer spring, castle nut, and end plate sling adapter. Features six positions for stock length adjustment and unique "no bind" sling attachment that gives 180 degrees of motion. Mil Spec and Commercial models available. Mfg: Tapco Weapons Accessories Extruded 7075 T6 aluminum, matte black finish. Incudes carbine buffer, spring, castle nut, and sling plate adapter. Mil-Spec- 7 1/4" (18cm) long. 1.14" (2.8cm) O.D. Commercial-7 3/4" (19cm) long. 1.17" (2.9cm) O.D.
  3. Ar-15/M16 Buffer Tube Kits W/Standard Buffer Tube Mil-Spec - Ar-15 True Mil-Spec Buffer Tube Kit W/
    Item#:
    100-018-976  
    Our Price:
    $65.00
    Description:
    ALG Defense’s True Mil-Spec Buffer Tube is forged from 7075-T6 aluminum and is nearly double the strength of 6061-T6 aluminum found in most other “mil-spec” and commercial buffer tube variants. A dry film lubricant is applied to the buffer tube, which creates a semi-permanent application of solid lubricant for maximum wear resistance. Built by the Tier One supplier for military contractors of the M4 Carbine, these are the superior buffer tubes that military and law enforcement officers entrust their lives with every day. This kit comes with a standard weight buffer and spring. Available with our without engravings. Mfg: Alg Defense
  4. Ar-15/M16 Buffer Tube Kits W/Standard Buffer Tube Mil-Spec - Ar-15 True Mil-Spec Buffer Tube Kit W/S
    Item#:
    100-018-977  
    Our Price:
    $75.00
    Description:
    ALG Defense’s True Mil-Spec Buffer Tube is forged from 7075-T6 aluminum and is nearly double the strength of 6061-T6 aluminum found in most other “mil-spec” and commercial buffer tube variants. A dry film lubricant is applied to the buffer tube, which creates a semi-permanent application of solid lubricant for maximum wear resistance. Built by the Tier One supplier for military contractors of the M4 Carbine, these are the superior buffer tubes that military and law enforcement officers entrust their lives with every day. This kit comes with a standard weight buffer and spring. Available with our without engravings. Mfg: Alg Defense
  5. Buffer Detent
    Item#:
    430-000-484  
    Our Price:
    $2.36
    Description:
    BUFFER DETENT Mfg: High Standard
  6. Ar-15/M16 A5 Mil-Spec Buffer Tube - A5 Receiver Extension Tube
    Item#:
    100-010-797  
    Our Price:
    $49.95
    Description:
    Specifically designed at the request of the U.S. Marine Corps, the EMOD A5 stock system enhances both operator comfort and the reliability of the rifle. With seven length-of-pull adjustment positions at .65" increments, the A5 system can offer a longer length of pull than an M16A2 fixed stock, yet collapses to the same length as an M4 carbine. A5 Receiver Extension and A5 Spring/Buffer kit are sold separately to enable upgrading an existing carbine to the longer, 7-position extension for use with other mil-spec M4-type buttstocks. Mfg: Vltor Weapon Systems SPECS: A5 Receiver Extension accepts M4-type buttstocks that fit mil-spec 1.15" O.D. receiver extension.

View All A2 Buffer Tube »

Ar A2 Buffer

Related Items
  1. 10/22® Recoil Buffer Pin - Recoil Buffer Pin
    Item#:
    930-010-000  
    Our Price:
    $10.99
    Description:
    Drop-in, clear plastic, bolt stop pin cushions the metal to metal contact between bolt and receiver. Prevents cracked and battered receivers, eliminates the metallic clank of bolt hitting receiver for quieter operation. Mfg: Volquartsen SPECS: Clear plastic. Fits 10/22® long rifle and 10/22® magnum rifles.
  2. Ar-15/M16 Buffer Tubes - Commercial Buffer Tube Assembly
    Item#:
    100-010-683  
    Our Price:
    $24.99
    Description:
    For M4-Style Buttstocks; Gives 6-Position Adjustment
  3. Ar-15 Buffer Retainer Springs - Ar-15 Buffer Retainer Spring, 3-Pak
    Item#:
    078-000-084  
    Our Price:
    $1.99
    Description:
    Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle. Available singly, or in 3-paks. Mfg: Brownells SPECS: Materials and finish at least equal to OEM parts. Chrome silicon springs indicated by (CS).
  4. Ar-15 Buffer Retainer Springs - Ar-15 Buffer Retainer Spring, Each
    Item#:
    078-101-117  
    Our Price:
    $0.99
    Description:
    Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle. Available singly, or in 3-paks. Mfg: Brownells SPECS: Materials and finish at least equal to OEM parts. Chrome silicon springs indicated by (CS).
  5. Ar-15/M16 Buffer Tubes - Mil-Spec Buffer Tube Assembly
    Item#:
    100-004-978  
    Our Price:
    $34.99
    Description:
    For M4-Style Buttstocks; Gives 6-Position Adjustment
  6. Ak-47 Recoil Buffer
    Item#:
    713-000-099  
    Our Price:
    $9.99
    Description:
    Polymer buffer fits on the bolt spring to reduce bolt slap, felt recoil, and overall wear and tear. Provides a cushion that prevents the bolt from making contact with the receiver to reduce wear on both components. Installs easily over rear of spring assembly; no permanent modifications to rifle required. Good for at least 5,000 firing cycles. Mfg: Power Custom SPECS: Polymer, black. ½" (1.3cm) long, 15⁄16" (2.4cm) wide, 1¼" (3. 2cm) high. Fits all models of AK-47, Mak-90, Galil, and Valmet.

View All Ar A2 Buffer »


A2 Ammo
  1. Superformance Ammo 243 Winchester 80gr Gmx - Horndy Ammo 243 80gr. Gmx
    Item#:
    105-201-201  
    Our Price:
    $34.99
    Description:
    Hornady has made a monumental breakthrough with its Superformance Ammunition increasing bullet velocity by an average of 100 to 200 fps for any caliber, bullet weight, or bullet type using progressive propellants. Superformance Ammunition can be used in any rifle without increasing felt recoil, muzzle blast, temperature sensitivity, fouling or loss of accuracy. Simply put, Superformance Ammunition is highly accurate, deadly, dependable, and just raised the bar by which all other ammunition will be judged. Previously, in order to attain high-velocity loads, shooters had to use the large charge weights and a slow-burning powder found in light magnum or custom loads, which typically result i Mfg: Hornady
  2. American Eagle Ammo 5.56x45mm Nato 55gr Xm193 - 5.56x45mm Nato 55gr Full Metal Jacket 20/Box
    Item#:
    105-200-942  
    Our Price:
    $8.99
    Description:
    Top-quality, new-manufactured mil-spec 5.56 x 45mm NATO XM193 FMJ ammo ideal for training & practice. This ammunition was produced at Lake City Army Ammunition Plant to Federal Cartridge Company specs for commercial ammunition.  55 grain FMJ boattail bullet – the exact load developed for the original M16 rifle. Headstamped with Federal logo and date of manufacture, reloadeable brass cases with crimped in boxer primers. Lacquer-sealed primer and case mouth to resist moisture. For use only in rifles with chambers designed for 5.56mm x 45 ammunition. Mfg: Federal
  3. Precision Match Ammo 223 Remington 69gr Hpbt - 223 Remington 69gr Hollow Point Boat Tail 20/Box
    Item#:
    105-000-308  
    Our Price:
    $29.99
    Description:
    World champion shooters like Glenn Dubis and Kelly Bachand understand consistency is accuracy. Eagle Eye Precision ammunition offers unsurpassed accuracy and consistency when it matters most. Eagle Eye Precision guarantees every lot is factory tested to 1/2 minute of angle or better. Eagle Eye Precision cases are manufactured from the highest quality CuZn28 brass discs (not third party cups) with the lowest levels of impurities (ie. tin, bismuth etc). In addition to unsurpassed metallurgy, Eagle Eye Precision uses a proprietary heat treating process above and beyond standard neck annealing to produce a case that can be reloaded 10+ times. Eagle Eye Precision use the highest quality m Mfg: Eagle Eye Precision Ammunition
  4. Bronze Ammo 50 Bmg 660gr Fmj - 50 Bmg 660gr Full Metal Jacket 10/Box
    Item#:
    105-000-352  
    Our Price:
    $43.99
    Description:
    Reliable performance from serious competition to casual paper punching. PMC’s popular Bronze Line ammunition makes it possible for recreational shooters and riflemen to enjoy high performance velocity and accuracy in a cost-effective cartridge. Bronze ammunition is available in Full Metal Jacket (FMJ) bullets in .223 Remington, .308 Winchester, 7.62x39mm and .50 BMG. Take advantage of PMC Bronze Line’s affordability for any situation that involves high-volume shooting without compromising downrange results. Bronze Line ammo bridges a gap for target shooters or hunters who get genuine pleasure from challenging themselves, shot after shot, to become better marksmen. Mfg: Pmc Ammunition, Inc.
  5. Bronze Ammo 7.62x39mm 123gr Fmj - 7.62x39mm 123gr Full Metal Jacket 20/Box
    Item#:
    105-000-351  
    Our Price:
    $16.99
    Description:
    Reliable performance from serious competition to casual paper punching. PMC’s popular Bronze Line ammunition makes it possible for recreational shooters and riflemen to enjoy high performance velocity and accuracy in a cost-effective cartridge. Bronze ammunition is available in Full Metal Jacket (FMJ) bullets in .223 Remington, .308 Winchester, 7.62x39mm and .50 BMG. Take advantage of PMC Bronze Line’s affordability for any situation that involves high-volume shooting without compromising downrange results. Bronze Line ammo bridges a gap for target shooters or hunters who get genuine pleasure from challenging themselves, shot after shot, to become better marksmen. Mfg: Pmc Ammunition, Inc.
  6. Umc Ammo 9mm Luger 115gr Jhp - 9mm Luger 115gr Jacketed Hollow Point 100/Box
    Item#:
    105-201-757  
    Our Price:
    $40.99
    Description:
    UMC AMMO 9MM LUGER 115GR JHP Mfg: Remington

View All A2 Ammo »

Shopping for A2 Buffer Tube? You'll find the best selection and prices everyday at Brownells.com. Here, you'll find 83 A2 Buffer Tube and Ar A2 Buffer, the best available, at prices from $2.36 to $339.98. As the number one online retailer of gun parts and gunsmith tools we are able to provide excellent customer service, great prices, and top quality merchandise, every day. We're so confident in our selection of A2 Buffer Tube, we make you a promise. Our 100% satisfaction guarantee means if you're not completely happy with your purchase, we'll do everything we can to make it right. So, browse our wide selection of A2 Buffer Tube - we know you'll find what you're looking for. When you're ready to place an order, use our easy checkout or give us a call. Customer service associates are standing by to answer your questions about our gun parts and gunsmith tools. We're here to help!