Kak Industry K-SPEC Enhanced AR Bolt 556 300BLK PH

The Kak Industry K-SPEC Enhanced AR Bolt for 556/300 Blackout delivers rugged reliability for AR-15 platforms, combining 9310 steel construction with a durable phosphate finish in classic black to withstand demanding field and range use. Designed specifically for 556 and 300 Blackout chamberings, this bolt ensures secure headspacing, consistent extraction, and smooth cycling, so shooters can rely on repeatable performance under fast-paced or precision scenarios. The K-SPEC line emphasizes enhanc