AR-15 Complete Uppers
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BC-15 5.56 NATO Left Side Charging Complete Upper Assembly, 7.5" Parkerized Contour Barrel, 1:7 Twist, Pistol Length Gas System, 5" M-LOK RailSpecial Price $214.95 Regular Price $264.99
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BC-15 5.56 NATO Left Side Charging Complete Upper Assembly, 16" Parkerized Contour Barrel, 1:8 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $219.95 Regular Price $344.99
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BC-15 7.62X39 Left Side Charging Complete Upper Assembly, 16" Parkerized Heavy Barrel, 1:10 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $219.95 Regular Price $344.99
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BC-15 .300 Blackout Left Side Charging Complete Upper Assembly, 16" Parkerized Heavy Barrel, 1:8 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $219.95 Regular Price $344.99
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BC-15 .350 Legend Left Side Charging Complete Upper Assembly, 16" Parkerized Contour Barrel, 1:16 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $228.95 Regular Price $354.99
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BC-15 .223 Wylde Left Side Charging Complete Upper Assembly, 16" Parkerized Contour Barrel, 1:8 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $244.95 Regular Price $344.99
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BC-15 .350 Legend Left Side Charging Complete Upper Assembly, 20" Parkerized Heavy Barrel, 1:16 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $246.95 Regular Price $384.99
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BC-15 .300 Blackout Left Side Charging Complete Upper Assembly, 7.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, 5" M-LOK RailSpecial Price $192.95 Regular Price $264.99Out of stock
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BC-15 6.5 Grendel Left Side Charging Complete Upper Assembly, 20" Parkerized Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" M-LOK RailSpecial Price $268.74 Regular Price $349.99Out 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.