AR-15 Complete Uppers
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 16" Stainless Contour Barrel, 1:8 Twist, 15" M-LOK RailSpecial Price $222.95 Regular Price $309.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 20" Black Nitride Government Barrel, 1:8 Twist, Hammer Forged, 15" M-LOK RailSpecial Price $228.95 Regular Price $319.99
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BC-15 5.56 NATO Forged Complete Upper Assembly, 20" Black Nitride Government Barrel, 1:8 Twist, Hammer Forged, Rifle Length Gas System, 15" M-LOK RailSpecial Price $228.95 Regular Price $314.99
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BC-15 5.56 NATO Bolt Action Style Complete Upper Assembly, 20" Black Nitride Heavy Barrel, 1:7 Twist, 15" M-LOK RailSpecial Price $248.95 Regular Price $349.99
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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, 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 Side Charging Complete Upper Assembly, 16" Parkerized Contour Barrel, 1:7 Twist, Hammer Forged, Carbine Length Gas System, 15" M-LOK RailSpecial Price $219.95 Regular Price $309.99Out of stock
Enhance your next build with an AR15 upper from Bear Creek Arsenal, made for builders and firearm enthusiasts who prioritize reliable performance. Crafted from quality steel and aluminum, each AR 15 upper includes essential components such as a dependable upper receiver, precision barrel, durable BCG, charging handle, and handguard, while allowing customization with your choice of muzzle device, or optics. Whether you’re assembling a new rifle or refining an existing setup, select from popular calibers like 5.56 NATO, .22 LR, .300 Blackout, 6.8 SPC, and 6.5 Grendel, along with a variety of barrel lengths, charging styles, and cerakote finishes to suit your preferences. Designed for consistent accuracy and long‑term reliability, our AR15 uppers pair seamlessly with an AR‑15 lower and is supported by Bear Creek Arsenal’s limited lifetime warranty. To learn more about AR‑15 platforms and what sets them apart, explore our AR‑15 blog.