5.56 NATO / .223

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  • AR-15 5.56/.223  16" M4 "BLACK SHARK" UPPER ASSEMBLY
    AR-15 5.56/.223  16" M4 "BLACK SHARK" UPPER ASSEMBLY. We ship across USA.Action: Semi-auto Barrel: 16" M4 contour, 4150V steel, chrome moly, heat treated, black, M4 feedramps, .750 gas block diameter.Gas System: Carbine Length Gas System Chamber: .223 Wylde (5.56 NATO..
    AR-15 5.56/.223  16" M4 "BLACK SHARK" UPPER ASSEMBLY. We ship ...
    $269.95$399.95
  • AR-15 5.56/.223 11.5" Stainless Steel Keymod Upper Assembly
    AR-15 5.56/.223 11.5" Stainless Steel Keymod Upper Assembly Includes: Chamber - 5.56 NATO  (Shoots both .223 and 5.56) Barrel Twist - 1x8 Barrel Thread - 1/2 x 28 Barrel Steel - Stainless Steel  Flash Hider - Muzzle Brake Handguard - Mid length..
    AR-15 5.56/.223 11.5" Stainless Steel Keymod Upper Assembly Include...
    $299.95$399.95
  • AR-15 5.56/.223 16" M4 "BLACK CANON" UPPER ASSEMBLY
    AR-15 5.56/.223 16" M4 "BLACK CANON" UPPER ASSEMBLY. CA and NY compliant.Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO/.223 Wylde Twist Rate: 1/8 button rifled Muzzle Device: Thread 1/2X28 6" mock muzzle brake flush mount shroud..
    AR-15 5.56/.223 16" M4 "BLACK CANON" UPPER ASSEMBLY. CA a...
    $269.95$399.95
  • AR-15 5.56/.223 16" M4 "PREDATOR" UPPER ASSEMBLY
    AR-15 5.56/.223 16" M4 PREDATOR UPPER ASSEMBLY. Created by Moriarti Armaments. CA and NY compliant.Action: Semi-auto Gas System: Carbine Length Gas System Chamber: .223 Wylde (5.56 NATO/.223 REM) Twist Rate: 1/8 button rifled* Barrel: 16" M4 c..
    AR-15 5.56/.223 16" M4 PREDATOR UPPER ASSEMBLY. Created b...
    $249.95$399.95
  • AR-15 5.56/.223 16" M4 classic tactical rifle kit
    AR-15 5.56/.223 16" M4 classic tactical rifle kit contains all components to complete your AR-15 Rifle build. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. Upper and 80% Stripped Lower are made from 7..
    AR-15 5.56/.223 16" M4 classic tactical rifle kit contai...
    $369.99$499.95
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  • AR-15 5.56/.223 16" M4 LONG KEYMOD UPPER ASSEMBLY
    AR-15 16" 5.56/.223 M4 KEYMOD UPPER ASSEMBLYAction: Semi-auto Chamber: 5.56 NATO/.223 Wylde Twist Rate: 1/8 button rifled*  Muzzle Device: Thread 1/2 X28  muzzle brake   Barrel: 16" M4 contour, 4150V steel, chrome moly, heat treated, black, M4 feed..
    AR-15 16" 5.56/.223 M4 KEYMOD UPPER ASSEMBLYAction: Semi-auto ...
    $269.95$399.95