BOLT CARRIER GROUPS

AR-15 & AR-10 Bolt Carrier Groups

Dark Storm Industries offers bolt carrier groups for AR-15 and AR-10 platforms in 5.56 NATO and .308 configurations. DSI BCG options are available in multiple finishes and configurations for new builds, replacement parts, and upper receiver upgrades.

The DSI lineup includes phosphate and chrome-lined bolt carrier groups, nickel boron options, and our Dual Ejector DLC bolt carrier group. Available configurations support both DS-15 and .308 AR-platform applications.

Whether you are completing a new upper receiver or upgrading an existing AR platform, DSI bolt carrier groups provide options for 5.56 and .308 builds in several finishes and configurations.