5.56 Complete Uppers
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BC-15 | 5.56 NATO Complete Upper Assembly | 14.5" Parkerized M4 Barrel| 1:7 Twist | Carbine Length Gas System | Standard HandguardSpecial Price $239.95 Regular Price $334.99
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BC-15 | 5.56 NATO Complete Upper Assembly | 11.5" Parkerized M4 Barrel| 1:7 Twist | Carbine Length Gas System | Standard HandguardSpecial Price $239.95 Regular Price $334.99
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BC-15 5.56 NATO Complete Upper Assembly, 20" Black Nitride Stainless Heavy Barrel, 1:8 Twist, Rifle Length Gas System, Standard HandguardSpecial Price $249.95 Regular Price $334.99
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BC-15 5.56 NATO Complete Upper Assembly, 20" Parkerized Heavy Barrel, 1:7 Twist, Rifle Length Gas System, Rifle Length HandguardSpecial Price $299.95 Regular Price $364.99
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BC-15 5.56 NATO Complete Upper Assembly, 20" Black Nitride Government Barrel, 1:8 Twist, Hammer Forged, Rifle Length Gas System, Rifle Length HandguardSpecial Price $249.95 Regular Price $339.99
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BC-15 5.56 NATO Complete Upper Assembly, 20" Black Nitride Heavy Barrel, 1:7 Twist, Rifle Length Gas System, Rifle Length HandguardSpecial Price $314.95 Regular Price $339.99
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BC-15 5.56 NATO Complete Upper Assembly, 20" Black Nitride Contour Barrel, 1:8 Twist, Hammer Forged, Rifle Length Gas System, Rifle Length HandguardSpecial Price $249.95 Regular Price $314.99
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BC-15 5.56 NATO Complete Upper Assembly, 10.5" Parkerized Contour Barrel, 1:7 Twist, Carbine Length Gas System, Standard HandguardSpecial Price $206.95 Regular Price $319.99Out of stock
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BC-15 | 5.56 NATO Complete Upper Assembly | 16" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | Standard HandguardSpecial Price $249.95 Regular Price $364.99Out of stock
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BC-15 5.56 NATO Forged Complete Upper Assembly, 14.5" Black Nitride Contour Barrel, 1:7 Twist, Carbine Length Gas System, Standard HandguardSpecial Price $252.95 Regular Price $334.99Out of stock
Shop & save on high-quality 5.56 complete uppers from Bear Creek Arsenal at an affordable price! 5.56 NATO is the perfect caliber for self-defense, plinking, and varmint hunting due to its 556 ammo availability, reliability, and low recoil. Our 5.56 uppers include everything you need to start shooting including a BCG, rear or side charging handle, upper receiver, and barrel, all compatible with mil-spec AR-15 lowers. Explore our selection of 5.56 complete uppers or discover our 5.56 barrels to customize your next build today!