Aero Precision Inc AR-15 5.56x45 NATO Bolt Carrier Group

Description
This high-quality bolt carrier group is a valuable addition to your AR15 build. Weight: 11.52 oz.

5.56 Chrome Lined Phosphate BCG:

• Available with or without “A” Logo
• M16-cut carrier
• Machined from 8620 steel
• Carrier has forward assist serrations
• Mil-Spec phosphate coating
• Properly staked gas key
• Chrome lined gas key and bolt channel
• 5.56 Bolt machined from Carpenter 158 tool steel
• Shot peened
• HPT tested / MPI marked
• Black o-ring insert on extractor
• High quality BCG

5.56 Nickel Boron BCG:

• No Aero 'A' Logo
• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
• Carrier has forward assist serrations
• Shrouded firing pin
• Nickel Boron Coating inside and out (Bolt, Carrier, and Gas Key)
• Forged Mil-Spec gas key attached with Grade 8 hardware and properly staked
• 5.56 Bolt is shot peened and MPI
• Mil-Spec extractor spring, black extractor insert, Viton O-Ring
• Tool steel extractor
• High quality BCG

5.56 Black Nitride BCG:

• With or without Aero 'A' Logo
• M16-cut carrier
• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
• Carrier has forward assist serrations
• Black Nitride Finish - advanced lower friction coating minimizing lubricants and cleaning
• Properly staked gas key
• Shot peened

Restricted Part
Please check with your state regulations for ownership of Restricted Parts. May require documentation.