5.56 caliber

Showing 1–16 of 89 results

5.56 caliber upper receiver

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Showing 1–16 of 89 results

  • AR-15 Pistol Upper with Carbine Quad Rail

    $ 339.99 $ 299.95
  • AR-15 5.56 Upper with 15 inch Octagonal KeyMod Or M-LOK Slim profile and Match Grade Barrel with Color Options

    $ 349.95$ 379.95
  • AR-15 5.56 Rifle Upper Receiver Set “Trump 2016” Limited Edition in Red, Black, or Blue

    $ 399.95
  • AR-15 Pistol 5.56 Upper with Carbine Quad Rail & Claw Flash Hider

    $ 379.95
  • AR-15 Pistol Upper 5.56 “Dirty Devil” RIP Series

    $ 529.95 $ 429.95
  • AR 15 Pistol Upper 5.56 10″ Slim Profile RIP Series Black

    $ 359.95
  • AR 15 Pistol Upper 5.56 10″ Custom KeyMod Octagonal “SHARK”

    $ 399.95$ 419.95
  • AR-15 Blue 5.56 Complete Rifle Upper Receiver “ARCHANGEL”

    $ 479.95$ 499.95
  • AR-15 5.56 Custom Upper “165 Breacher”

    $ 579.99 $ 449.99
  • AR-15 5.56 Complete Red Rifle Upper Receiver “DIRTY DEVIL”

    $ 479.95$ 499.95
  • AR-15 Ejection Port Dust Cover In Black Or Red

    $ 10.95$ 16.95
  • AR-15 Pistol Upper 5.56 7 inch KeyMod Slim Profile with MCBS

    $ 419.95$ 439.95
  • AR-15 Pistol Upper 5.56 9 inch KeyMod or M-LOK Slim Profile RIP Series Black

    $ 349.95$ 389.95
  • AR 15 Pistol Upper 5.56 12″ Diamond KeyMod With Fake Can

    $ 449.95$ 469.95
  • AR-15 Upper Receiver In 5.56 “Grunt Series” Mod-2

    $ 369.95 $ 149.95
  • AR-15 Pistol Upper 5.56 7 inch KeyMod Slim Profile with Trident Brake

    $ 349.95