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ar-15

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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Recent contents
  1. eldbillbo

    Smith and Wesson Chrome Lined 5.45x39 AR15 M4 16" Barrel

      1. For Sale
    • $230
    • Oregon City
    • Oregon
    Very low rounds like 200 or less I bought it as a back up but don't need it anymore. These were some of the best of the 5.45x39 barrels on the market back when they were on the market. Factory installed front sight base Trades Wanted Magpul MOE SL Stock (must be the SL not the smaller...
  2. FireArm

    "battleworn" Troy/PSA AR15.

      1. For Sale
      2. For Trade
    • $650
    • Sheridan
    • Oregon
    open to cash offers within reason: used Factory Troy Alpha upper, with Troy FDE battle sights, Troy muzzle device, T-marked upper and Mlok handguard, battleworn finish new Factory PSA lower with FDE B5 furniture used Magpul Pmag included (spray painted) Open to trade, no ARs, no Aks, no...
  3. C

    (AR15) Diamondback DB-15 (feeding problem)

      1. For Sale
    • $400
    • West Linn
    • Oregon
    Db-15 in good condition other than the fact that it double feeds. Not sure what the problem is.
  4. phidelt208

    Holosun 407 Sold

      1. For Sale
    • $145
    • Eugene
    • Oregon
    Holosun HS407 CO 8 MOA circular dot Works perfectly, glass crystal clear. $145 If you see this post, it is still for sale.
  5. wsu 5.9er

    AR15 complete upper, 8.375" 9mm barrel with 7" MLOK free-float handguard

      1. For Sale
    • $375
    • Auburn
    • Washington
    AR15 complete upper receiver from Larsen Outfitters! This upper comes with a 8.375" barrel from Ballistic Advantage, chambered in 9mm NATO with a 1/10 twist rate. Barrel is made from 4150 CMV steel and is coated inside and out in Black Nitride. Muzzle is threaded 1/2x28 and comes with an VG6...
  6. wsu 5.9er

    AR15 complete upper, 16" stainless steel 6 ARC with 15" MLOK handguard and full top picatinny rail

      1. For Sale
    • $500
    • Auburn
    • Washington
    AR15 complete upper receiver from Larsen Outfitters! This upper comes with a 16" barrel chambered in 6 ARC (Advanced Rifle Cartridge) with a 1/7 twist rate from Ballistic Advantage, with an SPR profile in their Premium Series line. Barrel is made from 416 R stainless steel with a bead-blasted...
  7. wsu 5.9er

    AR15 complete upper, 10.5" 300 BLK w/10" MLOK rail

      1. For Sale
    • $375
    • Auburn
    • Washington
    AR15 complete upper receiver from Larsen Outfitters! This upper comes with a 10.5" barrel, chambered in 300 Blackout with a 1/7 twist rate. Barrel is made from 4150 CMV steel with a pistol-length gas system and is coated inside and out in Black Nitride. Muzzle is threaded 5/8x24 and comes with...
  8. M

    14.5 ORW15 w/ Geissele Handguard and HUXWRX Flash Hider

      1. For Sale
    • $1500
    • Wilsonville
    • Oregon
    14.5" ORW15 w/ Geissele MK16 Handguard and HUXWRX Flash Hider. Pinned Gas Block. Nitride Carrier, 416 R Stainless 223 Wylde 1:7 Twist Barrel. Has BCM Stock and Pistol Grip. ALG ACT Trigger. Radian Billet Charging Handle. About 1000 Rounds used. Rifle is sub-moa with match ammo consistently.
  9. E

    AR15 Complete Upper Kit

      1. For Sale
    • $275
    • West Linn
    • Oregon
    Aero Precision Upper Receiver JP Enterprises Handguard with extra full top rail Palmetto State Armory BCG Palmetto State Armory 5.56 7" Barrel I wanted to put a suppressor under the handguard but I decided to go a different route. Barrel has maybe 50 rounds through it. $275 OBO
  10. NobullSKS

    AR15 chamber lock RED by StopBox $80

      1. For Sale
      2. For Trade
    • $80
    • Kent
    • Washington
    Lightly used in great condition. Heavier than it looks all metal construction; all mechanical as they stated. Very secure……. Lock your AR platform with bolt locked back and full mag (minus 1-2 is how I did it but not necessary) loaded engaged. Same finger press for all their devices unless...
  11. S

    Magpul, Pmag, Pmag30 Gen3, Pmag40 Gen3, Lancer, Ar15 magazine

      1. For Sale
    • Portland
    • Oregon
    “ Oregon Residents Only / Age 21+ “ 2 - Pmag 30rd Gen3 with window New in Package 2 - Pmag 40rd Gen3 New in Package 1 - Lancer 30rd New in Package “ $60 For Everything Listed Above “
  12. E

    (8) Gen M3 Windowed PMAGs Coyote Tan $100

      1. For Sale
    • $100
    • Troutdale
    • Oregon
    (8) Gen 3 pmags, windowed $100 pickup anywhere between Hillsboro and troutdale These are in good shape, they are used. Trades considered for 5.56/.223, saturday night special .22s, bp revolver loading stand, holosun/vortex micro 3x magnifier
  13. 8

    Lefty Stag AR15 upper receiver, bcg, ch

      1. For Sale
    • $250
    • Albany
    • Oregon
    Left Handed Stag AR15 upper receiver, bolt carrier group and Aero Breach charging handle. Excellent near new cond. Very low rounds. $250 cash FTF in Albany, OR $270 shipped discrete PP F&F Text 541-990-4711
  14. R

    Stag arms left handed AR15

      1. Want to Buy
      2. Want to Trade For
    • Lafayette
    • Oregon
    On the hunt for a Stag Arms left handed AR15 in 5.56. Before ordering online I thought if check here. Thanks!
  15. arakboss

    Where Are All The Cheap AR15 Rifle Kits?

    I have spent a lot of time checking out the parts and accessories section of the NWFA classifieds. Something that rarely comes up are AR15 Rifle Kits. Is that something people never part with? Do they always build them up? I see lots of uppers, lots of lowers, lots of complete rifles but hardly...
  16. T

    Troy AR15 MRF 10 inch Quad Rail Handguard

      1. For Sale
    • $100
    • Beaverton/Portland
    • Oregon
    $100 Troy AR15 MRF 10 inch Quad Rail Handguard Attaches to standard barrel nut 17.9 oz Quad picatinny
  17. T

    Proof Research 223 AR15 20" Steel

      1. For Sale
    • $300
    • Beaverton/Portland
    • Oregon
    $300 Used 223 wilde chamber 300 rounds through barrel Proof Research AR15 Steel Barrel 20 inch length Rifle length gas .750 gas block diameter Threaded 1/2x28 Nothing wrong with it. It was my spare competition barrel. Don't need it anymore.
  18. Mikej

    I need an idea on what rings/mounting to use on an AR 15....

    I just picked up a Vortex Cross-Fire II 2-7 X 32 scope for my AR. Not sure what rings/mount to get. When I built Wifey's rifle I put a one piece mount on it. Don't remember price or brand now. I think I'd like to stay with a one piece. No reason, I don't think? For going with a $100.00 plus...
  19. PRG-Loki

    Looking for new or used AR15 chambered in 5.56

      1. Want to Trade For
    • Newberg
    • Oregon
    I’m looking to get my first AR15, don’t know why I’ve waited so long. Looking to trade a BRAND new PS5 God of War edition with a 1TB SSD. Easy to install.
  20. arakboss

    Done  PSA AR15 Carbine Kit $300 Shipped.

    If you still have a bunch of AR lowers stashed away, here is your chance to build one up. These kits will probably get cheaper but for now this is a deal with free shipping. https://palmettostatearmory.com/psa-16-m4-carbine-length-5-56-nato-1-7-nitride-freedom-rifle-kit-5076171.html?
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