300 Blackout Complete Uppers

Ships out in 3-5 Business days on all Non-FFL items, 6-8 business days for FFL items

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Discover Bear Creek Arsenal’s 300 Blackout uppers, engineered for AR-15 shooters who demand versatility, performance, and value. Each 300 Blackout upper is designed to run both supersonic and subsonic ammunition, making it ideal for suppressed builds, hunting, or range days. Compatible with standard AR-15 lowers and magazines, these uppers make caliber conversions easy while delivering consistent accuracy. Choose from multiple barrel lengths, handguard options, and gas systems to create a build that fits your shooting style. Precision-machined in Sanford, NC, and backed by our limited lifetime warranty, every 300 BLK upper offers dependable performance you can count on.

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