5.56 Complete Uppers
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BC-15 5.56 NATO Side Charging Complete Upper Assembly, 4.5" Parkerized Heavy Barrel, 1:7 Twist, Micropistol Length Gas System, 3.8" M-LOK Rail, Micro Flash HiderSpecial Price $229.95 Regular Price $319.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 4.5" Parkerized Heavy Barrel, 1:7 Twist, 4" M-LOK RailSpecial Price $229.95 Regular Price $319.99
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BC-15 5.56 NATO Right Side Charging Complete Upper Assembly, 4.5" Stainless Heavy Barrel, 1:7 Twist, Micropistol Length Gas System, 3.8" M-LOK Rail, Micro Flash HiderSpecial Price $236.95 Regular Price $329.99Out of stock
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BC-15 5.56 NATO Forged Complete Upper Assembly, 4.5" Stainless Contour Barrel, 1:7 Twist, Micropistol Length Gas System, 4" M-LOK Rail, Micro Flash HiderSpecial Price $236.95 Regular Price $329.99Out of stock
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BC-15 5.56 NATO Left Side Charging Right Eject Complete Upper Assembly, 4.5" Parkerized Heavy Barrel, 1:7 Twist, Micropistol Length Gas System, 4" M-LOK RailSpecial Price $229.95 Regular Price $319.99Out 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!