Rosco 556NATO/.300 BLK BCG Phosphate Black

Specs

• Model Bolt Carrier Group
• Caliber 5.56 NATO/300 Blackout
• Fits AR-15
• Finish Phosphate and Chrome lined
• Color Black

Key points

• These 5.56/300 BLK Bolt Carrier Groups are phosphate-coated with chrome-lined gas key and 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 modern carbine shooters' requirements
• For their phosphate bolt carrier groups, they team up with the best-Microbest-so the end user receives dependable performance every time
• They have also incorporated feedback from consumers and military end users to deliver the products you need, not just what they want to sell