K-SPEC 450 Bushmaster/458 SOCOM Enhanced AR15 BCG - Down Vent, Dual Ejectors, Slotted Carrier Rails

Enhanced AR-15 bolt carrier group designed for 450 Bushmaster and 458 SOCOM calibers. Down vent, dual ejectors, and slotted carrier rails improve debris disbursement and reliability in harsh conditions. Rail cuts help move fouling away from critical contact surfaces, aiding performance in sand, mud, and grime on AR-15 platforms.