AR-15 Complete Uppers
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BC-15 6.5 Grendel Bolt Action Style Complete Upper Assembly, 22" Parkerized Heavy Barrel, 1:8 Twist, 15" M-LOK RailSpecial Price $220.95 Regular Price $325.99
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BC-15 6.5 Grendel Upper, 18" 416R SS Heavy Barrel, 1:8 Twist, Mid-Length Gas System, Talon MLOK Split RailAs low as $224.95 Regular Price $329.99
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BC-15 6.5 Grendel Right Side Charging Upper, 18" 416R SS Heavy Barrel, 1:8 Twist, Mid-Length Gas System, 15" MLOK Split RailAs low as $224.95 Regular Price $329.99
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BC-15 6.5 Grendel Bolt Action Style Complete Upper Assembly, 16" Black Nitride Contour Barrel, 1:8 Twist, 15" M-LOK RailSpecial Price $227.95 Regular Price $319.99
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BC-15 6.5 Grendel Forged Complete Upper Assembly, 16" Black Nitride Contour Barrel, 1:8 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $227.95 Regular Price $319.99
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BC-15 6.5 Grendel Bolt Action Style Complete Upper Assembly, 20" Parkerized Heavy Barrel, 1:8 Twist, 15" M-LOK RailSpecial Price $234.95 Regular Price $329.99
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BC-15 6.5 Grendel Forged Complete Upper Assembly, 20" Parkerized Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" M-LOK RailSpecial Price $234.95 Regular Price $329.99
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BC-15 6.5 Grendel Side Charging Complete Upper Assembly, 20" Parkerized Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" M-LOK RailSpecial Price $234.95 Regular Price $329.99
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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 $234.95 Regular Price $329.99
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BC-15 6.5 Grendel Side Charging Complete Upper Assembly, 16" Black Nitride Contour Barrel, 1:8 Twist, Carbine Length Gas System, 15" M-LOK RailSpecial Price $242.95 Regular Price $319.99
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BC-15 6.5 Grendel Bolt Action Style Upper, 20" 416R SS Heavy Barrel, 1:8 Twist, Talon 15" MLOK Split RailSpecial Price $248.95 Regular Price $349.99
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BC-15 6.5 Grendel Upper, 20" 416R SS Heavy Barrel, 1:8 Twist, Rifle Length Gas System, 15" MLOK Split RailSpecial Price $248.95 Regular Price $349.99
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.