Firearm Model
The AR-15 is a lightweight, intermediate cartridge magazine-fed, air-cooled Armalite Rifle with a rotating lock bolt, actuated by a piston within the bolt carrier or by conventional long/short stroke piston operation. It has been produced in many different versions, including numerous semi-automatic and select fire variants. It is manufactured with extensive use of aluminum alloys and synthetic materials.

The AR-15 was first built in 1959 by ArmaLite as a small arms rifle for the United States armed forces. Because of financial problems, ArmaLite sold the design to Colt. After some modifications, the redesigned rifle was adopted as the M16 rifle. In 1963, Colt started selling the semi-automatic version of the rifle for civilians as the Colt AR-15. Although the name "AR-15" remains a Colt registered trademark, variants of the firearm are made, modified, and sold under various names by multiple manufacturers.

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  1. FireArm

    Aero Precision M4E1

    Aero precision M4E1 upper and lower receivers, Upper parts kit and lower parts kit. AP 15” atlas R-one handguard Ballistic advantage 20” govt profile 1/9 5.56 nato barrel (bedded) Unmarked MPI tested BCG Troy medieval break B5 grip and stock ALG combat trigger Sig Sauer Mlok handstop and...
  2. Roymil666

    Sig Bravo4 .300Blk

    I'm looking for someone with a Sig Bravo4 prism optic they can live without. This is a discontinued optic and can't be bought new without paying quite a premium so used is really my only option. Needs to be in good condition and realistically priced. Cash, could possibly offer some ammo in trade...
  3. barrigadaharley

    Ar15 Stripped Upper

    Brand new Mas Defense brand with their logo 50.00 No trades
  4. gmerkt

    AR15 magazines 30 round quantity 5

    For sale, AR15 magazines 30 round, quantity 5. One Magpul plastic magazine, new in bag. Four aluminum body mags: 2 ea D&H Industries new in bags; 1 ea Center Industries Corp dtd 10-03, restricted markings, has been used moderately; 1 ea Okay Industries, some finish wear but doesn't look like...
  5. Newberg

    Mag Tactical MG-G4 Magnesium AR15 Lowers

    WTT: 2 MAG TACTICAL MG-G4 MAGNESIUM AR15 Lowers. Never built, Gen 2 with beefed up pin areas. Mag Tactical System constructs them out of a proprietary magnesium alloy. It features an integral trigger guard with room for winter gloves, a reinforced front pivot pin, reinforced trigger and hammer...
  6. B009779

    Magpul CTR stock

    Looking for a black Magpul CTR stock in the Tacoma area or will pay for shipping.
  7. K

    AR15 complete upper 16" W/ BCG

    This is built on a Black Aura Tactical forged receiver. 16" stainless heavy fluted barrel from Bear Creek Armory Chambered in 223 Wylde Mid length gas system 1:7 twist Sound forwarding muzzle device 17" keymod freefloat tube Nickel boron BCG Billet charge handle cheap flip up sights Have fired...
  8. ScottInPDX

    AR15 & AR308 Upper and Lower Receiver Vice Blocks

    Starting two builds that I need vice blocks for. Looking for upper and lower receiver blocks for AR15 and AR308.
  9. F

    Complete AR15 upper, 16"

    looking for a quality 16" complete AR 15 upper, preferably one with a low or modest round count
  10. FullMetalJerk

    AR15 Lowers or Complete Rifle or Pistol

    Looking to trade for some aluminum or magnesium stripped lowers or complete or semi complete lowers. Or even a complete AR rifle or pistol. Send me some offers. Trades: Norinco 5rd 7.62x39 AK-47/MAK-90 Magazines New...
  11. pewpewclint

    SPR/DMR ar15

    I have an SPR/DMR I put together a year or so ago and have only test fired it for function and don't have any use for it anymore. Build list: - Aero M4E1 lower receiver. - Aero upper receiver. - Aero lower parts kit. - Palmetto BCG. - UTG A2 stock. - Geissele Mk8 13" mlok handguard. - Geissele...
  12. H

    Olympic Arms AR-15

    Pre-ban Olympic Arms P.C.R. A2 Cal 223/5.56 Bull barrel 20” with 12” hand guard
  13. G

    DPMS AR-15 model A-15 $650

    I have a used DPMS Panther Arms Model A-15 AR-15 rifle in a .223/5.56 caliber. It has about 500 rounds fired and works great. Going to build a new gun so I'm getting rid of this one. Has an upgraded Quad Rail , A Daniel Defense foregrip, flip up Rear sight and a sling included along with...
  14. Art_Vandelay

    AR-15 Buffer Kit

    Selling some random items that I never ended up using. Trinity Force AR-15 Buffer Kit Assembly - $40 MBUS Pro Offset - Front and rear - $170 Battlelink Minimalist Stock - MilSpec - $50 MBUIS Front and rear - $70
  15. Lasers

    Brand New in Box - (2) AR15 LaRue Tactical MBT-2S Trigger - Flat - $80 each

    I have two of these left, both the flat version. Never opened, comes with both sets of springs, pickup only near Hillsboro. SPECS: The MBT-2S breaks crisply at 4.5 lbs (2.5 lb first stage, 2 lb second stage) and has a smooth and positive reset. Each trigger comes with an additional "heavy"...
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