AR-15 Complete Uppers
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BC-15 | 5.56 NATO Left Side Charging Upper | 10.5" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | 9.5" MLOK | with BCG & Charging HandleSpecial Price $174.95 Regular Price $249.99Out of stock
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BC-15 | .300 Blackout Side Charging Upper | 7.5" Parkerized Heavy Barrel | 1:8 Twist | 4150 Pistol Length Gas System | MLOK | Split RailSpecial Price $179.95 Regular Price $289.99Out of stock
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BC-15 | 5.56 NATO Side Charging Upper | 7.5" Parkerized Contour | 1:7 Twist | 4150 Pistol Length Gas System | MLOK | Split RailSpecial Price $179.95 Regular Price $289.99Out of stock
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BC-15 | 5.56 NATO Left Side Charging Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOK Split Rail| with BCG & Charging HandleSpecial Price $219.95 Regular Price $304.99Out of stock
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BC-15 | 7.62x39 Left Side Charging Upper | 16" Parkerized Heavy Barrel | 1:10 Twist | Carbine Length Gas System | 15" MLOK Split RailSpecial Price $219.95 Regular Price $304.99Out of stock
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BC-15 | .300 Blackout Left Side Charging Upper | 16" Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | MLOK Split RailSpecial Price $219.95 Regular Price $304.99Out of stock
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BC-15 | .223 Wylde Left Side Charging Upper | 16" Parkerized M4 Barrel| 1:8 Twist | Carbine Length Gas System | MLOK Split RailSpecial Price $219.95 Regular Price $304.99Out of stock
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BC-15 | .350 Legend Left Charging Upper | Parkerized 16" M4 Barrel | 1:16 Twist | Carbine Length Gas System | 15" MLOK Split RailSpecial Price $229.95 Regular Price $319.99Out of stock
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BC-15 | .350 Legend Left Side Charging Upper | 20" Parkerized Heavy Barrel | 1:16 Twist | Carbine Length Gas System | 15" MLOK Split RailSpecial Price $239.95 Regular Price $334.99Out of stock
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BC-15 | 6.5 Grendel Left Side Charging Upper | 20" Parkerized Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK Split RailSpecial Price $239.95 Regular Price $334.99Out of stock
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BC-15 | .223 Wylde Side Charging Upper | 18" Melonited Stainless Heavy Barrel | 1:8 Twist | Bear Claw Flutes | Stainless 416R Mid Length Length Gas System | MLOK | Split RailSpecial Price $239.95 Regular Price $339.99Out of stock
Shop Bear Creek Arsenal’s AR15 upper assemblies designed for shooters who demand performance and value. Each AR15 upper is built from premium steel and aluminum and includes a precision barrel, reliable upper receiver, and durable M-LOK handguard. Whether you’re starting a new build or replacing an old upper, choose from multiple calibers — including 5.56 NATO, .22 LR, .300 Blackout, and 6.8 SPC — and a wide range of barrel lengths, charging styles, and Cerakote options. Pair any upper with a matching AR15 lower for a complete rifle you can trust, all backed by our limited lifetime warranty. Quality, selection, and affordability — that’s BCA.