5.56 Complete Uppers
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BC-15 | 5.56 NATO Complete Upper Assembly | 24" 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | MLOK Split RailSpecial Price $291.95 Regular Price $389.99
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BC-15 | 5.56 NATO Complete Upper Assembly | 22" 416R SS Heavy Barrel | 1:8 Twist | Straight Flutes | Rifle Length Gas System | MLOK Split RailSpecial Price $295.95 Regular Price $394.99
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BC-15 5.56 NATO Side Charging Complete Upper Assembly, 22" Stainless Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" M-LOK RailSpecial Price $295.95 Regular Price $394.99
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BC-15 5.56 NATO Side Charging Complete Upper Assembly, 24" Stainless Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" M-LOK RailSpecial Price $291.95 Regular Price $389.99
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BC-15 5.56 NATO Side Charging Complete Upper Assembly, 10.5" Stainless Contour Barrel, 1:8 Twist, Pistol Length Gas System, 9.5" M-LOK RailSpecial Price $198.95 Regular Price $379.99
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BC-15 5.56 NATO Forged Complete Upper Assembly, 10.5" Stainless Contour Barrel, 1:8 Twist, Pistol Length Gas System, 9.5" M-LOK RailSpecial Price $198.95 Regular Price $339.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 10.5" Stainless Contour Barrel, 1:8 Twist, 9.5" M-LOK RailSpecial Price $189.95 Regular Price $319.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 24" Stainless Heavy Barrel, 1:8 Twist, M-LOK RailSpecial Price $249.26 Regular Price $349.99
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BC-15 5.56 NATO Billet Complete Upper Assembly, 16" Stainless Contour Barrel, 1:8 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $251.62 Regular Price $379.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 7.5" Stainless Contour Barrel, 1:7 Twist, 5.3" M-LOK RailSpecial Price $199.95 Regular Price $279.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 10.5" Stainless Contour Barrel, 1:8 Twist, 10" M-LOK RailSpecial Price $189.95 Regular Price $319.99
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!