AR-15 Complete Uppers
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BC-15 | .450 Bushmaster Bolt Action Style Upper Assembly | 10.5" Parkerized Heavy Barrel | 1:24 Twist | MLOK Split RailSpecial Price $204.95 Regular Price $284.99
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BC-15 | .450 Bushmaster Upper Assembly | 10.5" Parkerized Heavy Barrel | 1:24 Twist | 4150 Carbine Length Gas System | MLOK Split RailSpecial Price $204.95 Regular Price $284.99
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BC-15 | .450 Bushmaster Side Charging Upper Assembly | 10.5" Parkerized Heavy Barrel | 1:24 Twist | 4150 Carbine Length Gas System | MLOK Split RailSpecial Price $204.95 Regular Price $284.99
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BC-15 | .450 Bushmaster Bolt Action Style Upper | 16" 416R SS Heavy Barel | 1:24 Twist | Talon 15” MLOK Split Rail | with BCG & Charging HandleSpecial Price $206.95 Regular Price $289.99
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BC-15 | .450 Bushmaster Forged Upper | 16" Stainless Heavy Barrel | 1:24 Twist | Carbine Length Gas System | MLOK Split RailSpecial Price $206.95 Regular Price $373.99
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BC-15 | .450 Bushmaster Bolt Action Style Upper with Muzzle Brake | Parkerized 18" Heavy Barrel | 1:24 Twist | Talon 15” MLOK Split Rail | with BCG & Charging HandleSpecial Price $209.95 Regular Price $349.99
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BC-15 | .450 Bushmaster Bolt Action Style Upper | 18" 416R SS Heavy Barel | 1:24 Twist | Talon 15” MLOK Split Rail | with BCG & Charging HandleSpecial Price $214.95 Regular Price $364.99
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BC-15 | .450 Bushmaster Upper | 18" 416R SS Heavy Barrel | 1:24 Twist | Mid-Length Gas System | 15" MLOK Split Rail| with BCG & Charging HandleSpecial Price $214.95 Regular Price $354.99
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BC-15 | .450 Bushmaster Right Side Charging Upper | 18" 416R SS Heavy Barrel |1:24 Twist | Mid-Length Gas System | Talon 15” MLOK Split Rail | with BCG & Charging HandleSpecial Price $214.95 Regular Price $354.99
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BC-15 | .450 Bushmaster Left Side Charging Right Eject Complete Upper | 18" 416R SS Heavy Barrel | Carbine Gas System | 1:24 Twist | MLOK Split RailSpecial Price $214.95 Regular Price $389.99
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BC-15 | .450 Bushmaster Upper Assembly | 10.5" Parkerized Heavy Barrel | 1:24 Twist | 4150 Pistol Length Gas System | MLOK Split RailSpecial Price $219.95 Regular Price $309.99
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.