Black Rifle Arms® M16/AR15 6.5 Grendel Enhanced Bolt Carrier Group Patented Buffer Technology
We Set Out To Improve Upon Existing Bolt Carriers
Black Rifle Arms® M16/AR15 Enhanced 6.5 Grendel Bolt Carrier Group Patented Buffer Technology
The enhanced carrier's integrated buffer helps not only to eliminate metal on metal contact during the transition from upper to lower receivers, but it also buffers the impact between carrier and buffer. Comes with standard bolt carrier polymer buffer.