Rosco Manufacturing, Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15 Black
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Rosco Manufacturing Bolt Carrier Group, 556NATO/300 Blackout, Fits AR-15, Phosphate and Chrome lined Finish, Black ROS-BCG-002
These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with
Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly
staked, and the bolts are Matched to the barrel. Their Rosco Phosphate
Bolt Carrier Groups are designed to meet the modern-day carbine shooters
requirements. For their Phosphate Bolt Carrier Groups - they choose to
team up with the best - Microbest, so the end user has dependability
time after time, every time. They have also balanced input from their
consumers and military end users in order to bring you the product you
need, not just the one they want to sell you. These BCG's are to MIL
Specification and have a properly staked gas key along with a chrome
lined coating for extended performance. They also feature a Shot Peened/
MP tested Matched bolt (with upgraded extractor) which is designed to
lock up perfectly with their extensions for extreme accuracy. These
BCG's are made to withstand Full-Auto rated fire and unforgiving use
from the end user.