300 Blackout
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BC-15 .300 Blackout Left Side Charging Right Eject Complete Upper Assembly, 10.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, 10" M-LOK RailSpecial Price $194.95 Regular Price $274.99
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BC-15 .300 Blackout Billet Complete Upper Assembly, 10.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, 9.5" M-LOK RailSpecial Price $234.95 Regular Price $329.99
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BC-15 .300 Blackout Right Side Charging Upper, 10.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, Talon 10" MLOK Split RailAs low as $194.95 Regular Price $274.99
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BC-15 .300 Blackout Upper, 10.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, MLOK Split RailAs low as $194.95 Regular Price $274.99
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BC-15 .300 Blackout Bolt Action Style Complete Upper Assembly, 10.5" Parkerized Heavy Barrel, 1:8 Twist, 10" M-LOK RailSpecial Price $194.95 Regular Price $274.99
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BC-15 .300 Blackout Side Charging Complete Pistol, 10.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, 10" M-LOK RailSpecial Price $342.95 Regular Price $479.99
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BC-15 .300 Blackout Side Charging Complete Upper Assembly, 10.5" Black Nitride Government Barrel, 1:8 Twist, Pistol Length Gas System, 9.5" M-LOK RailSpecial Price $206.95 Regular Price $289.99
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BC-15 .300 Blackout Side Charging Complete Upper Assembly, 10.5" Parkerized Heavy Barrel, 1:8 Twist, Pistol Length Gas System, 10" M-LOK Rail, Micro Flash HiderSpecial Price $194.95 Regular Price $274.99
Explore Bear Creek Arsenal’s 300 Blackout lineup, featuring rifles, uppers, and barrels built to deliver consistent results across a wide range of setups. Each option is designed around smooth cycling, dependable performance, and seamless compatibility with standard AR-15 components. This cartridge supports both subsonic and supersonic loads, giving shooters flexibility in how they configure their platforms. Whether you’re assembling a new build or updating an existing one, our selection provides reliable construction and quality materials backed by our commitment to value and customer support. Browse 300 Blackout products to find the right fit for your next AR-15 project, and see why builders choose BCA for performance-focused parts and complete systems.