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upper receiver

In firearms terminology, the firearm receiver or firearm frame is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin, extractor and trigger mechanism, and has threaded interfaces for attaching ("receiving") external components such as the barrel, stock, grip and mounts of telescopic sights. The receiver is often made of forged, machined, or stamped steel or aluminium; in addition to these traditional materials, modern science and engineering have introduced polymers and sintered metal powders to receiver construction.

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Recent contents
  1. haharo

    Areo Lower + upper receiver (Gold, Tamography)

      1. For Sale
    • $0
    • Shoreline
    • Washington
    im selling lowers i never got to build, they are brand new except the x15 (less then 100 rounds). im located in shoreline, these qualify for instant transfers, so leave same day with them. buyer pays for transfer *Custom Tamography cerakote Areo M4E1 lower and upper combo with areo Lower parts...
  2. s75n

    Anderson AR-15 Stripped Upper Receiver

      1. For Sale
    • $30
    • Portland
    • Oregon
    New $30 Has some marks on the inside where the barrel extension goes in. All 3 I bought all have similar marks in that area https://ar15discounts.com/products/anderson-am-15-stripped-upper-receiver/
  3. localbrew

    COMPLETE NEW BILLET UPPER RECEIVER AR15 SOLD

      1. For Sale
    • $100
    • Lake Oswego
    • Oregon
    Cleaning out the safe and this one needs to go. This is a Picket's Mill Armory complete (forward assist, and dust cover) Billet Upper Receiver. https://pmarmory.com/ Brand new, never mounted, this is an extremely high quality upper. SOLD
  4. s75n

    Aero Precision M4E1 Threaded Upper Receiver

    https://www.schuylerarmsco.com/summer-sale/ar-15-uppers-25-993
  5. A

    Knight's Armament SR-30 9.5" Complete Upper Receiver - BNIB **Price Reduced**

      1. For Sale
    • $2695
    • Tigard
    • Oregon
    Selling a brand new-in-box KAC SR-30 9.5" Complete Upper Receiver w/new E3.2 bolt and ambi charging handle. Recently discontinued and had an unexpected backorder filled. Asking $2,695 - not looking for trades at this time.
  6. pwright2015

    BCM complete upper receiver with BCG changing handle and optic

      1. For Sale
    • $1500
    • Salem
    • Oregon
    BCM upper receiver for sell mlok handgaurd Magpul flip up sights Eotech sight comes with it SureFire muzzle break it is pin and welded for legal purposes to make it 16 in barrel low pro gas block also BCM carbine length gas tube Franklin armory BCG Radian raptor charging handle the barrel came...
  7. arakboss

    Aero AR15 Assembled Upper Receiver $60 plus shipping

    https://ar15discounts.com/products/aero-precision-assembled-upper-receiver/
  8. arakboss

    Aero AR15 Assembled Upper Receiver $60 plus shipping

    https://ar15discounts.com/products/aero-precision-assembled-upper-receiver/
  9. FlatDullEarth

    KAC FDE 11.5” CQB MOD 2 Upper Receiver with extras!

      1. For Sale
    • $1600
    • Lake Oswego
    • Oregon
    Hate to sell this, had some bad luck recently so i gotta sell to pay some bills. Need to sell ASAP. All is in great condition. Cerakoted by PSD. Sad to see it go. I'll include the buffer too. And a charger for the light. I also have a matching lower I’d package it with. $2100 OBO for the...
  10. B

    25 WSSM upper receiver

      1. For Sale
    • $900
    • Oregon City
    • Oregon
    I have a 25 WSSM (Winchester Super Short Mag) upper receiver that I'm parting ways with. It has a 22" Olympic Arms fluted barrel with a built in compensator made by Dedicated Technology back in 2007. They're still in business and continue to sell quality upper receivers. The barrel has about 200...
  11. AdoboArsenal

    BCM 16” BFH Complete Upper

      1. For Sale
      2. For Trade
    • $450
    • Beaverton
    • Oregon
    Selling my BCM 16” Mid-length complete upper. All factory components professionally assembled and bought direct from Bravo Company. Barrel is cold hammer forged, and chrome lined, government profile. Less than 200 rounds fired through it. 15” MCMR handguard is in great shape no scratches. Same...
  12. C

    Geissele DDC 11.5" Upper with Scalarworks Peak Sights

      1. For Sale
    • $1100
    • Cheney
    • Washington
    Factory assembled Geissele 11.5" DDC upper, Aero BCG, Scalarworks Peak irons. No muzzle device. Sales to non-WA residents only. $1100
  13. Deadguyale88

    Ar15 upper receiver + BCG

      1. For Sale
    • $125
    • Portland
    • Oregon
    Have a completed upper receiver and mill spec BGC
  14. NW PREPPER

    Stag Arms 16in Upper Receiver

      1. For Sale
    • $275
    • Rockaway beach
    • Oregon
    I have a Stag Arms upper receiver in great shape and lightly used. Chrome lined barrel. .223/5.56 NATO 1/7 twist. Quad rail. Magpul vertical grip. Magpul stock. Magpul rail covers. Feyachi weapon light with charger. Green laser with charger. Two Hogue grips. Sling mounts. *Does not include...
  15. NW PREPPER

    Stag Arms AR15 Upper Receiver

      1. For Sale
    • $250
    • Rockaway beach
    • Oregon
    This is a lightly used Stag Arms upper receiver. Quad rail Magpul rail covers Chrome lined barrel 1:7 twist *Does NOT include BCG or charging handle. Shipping is extra.
  16. SgtAwesomeness

    Retro A2 upper receiver wanted.

      1. Want to Buy
      2. Want to Trade For
    • Milwaukie
    • Oregon
    I am looking for an A2 upper receiver for a new build. If you have one complete or not let me know. I have weapons to trade
  17. Aero Denezol

    Aero Precision M4E1-E Upper 14.5" bbl FDE mid-length gas * new * free ship

      1. For Sale
    • $360
    • Salem
    • Oregon
    Free-floated, mid-length gas Upper Assembly with Ballistics Advantage barrel. Enhanced M-Lok rail. No BCG or CH. Brand new, never fired. 14.5" barrel + flash hider is 16" overall length, however, this is not pinned and welded. Ships free by UPS or FedEx Ground. $360 Cash, Check/MO, VenMo...
  18. T

    WTB A2 Upper Receiver

      1. Want to Buy
    • Portland
    • Oregon
    As the title says I'm looking for an A2 upper for a retro AR build. I live in Portland but work in Vancouver so happy to meet up in either. (if you're in WA I'm happy to do it the right way to export the parts out of the state and not mess with the new law). Lemme know what you've got.
  19. SgtAwesomeness

    Ruger MPR Upper on Anderson Lower 18IN

      1. For Sale
      2. For Trade
    • $400
    • Milwaukie
    • Oregon
    Selling this Ruger MPR 18IN Rifle. The upper has about 900-1200 rounds on it and the lower is brand spanking new. Good for a beginner or a work rifle. As you can see on the pictures I've maintained the internals as best I can, Cleaned after just about every shoot. Brass marks on bolt and that's...
  20. Josh_768

    12in PSA Upper Receiver Complete in 556

      1. For Sale
    • $350
    • Vernonia
    • Oregon
    I have a 12in PSA complete upper unfired for sale. $350. Lower not for sale.
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