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

Description
This high-quality bolt carrier group (BCG) is a valuable upgrade to your AR15 build. Weighing 11.52 oz., it is available in multiple finish options to meet your performance and aesthetic preferences.

5.56 Chrome Lined Phosphate BCG:

• Available with or without “A” logo
• M16-cut carrier
• Machined from 8620 steel
• Forward assist serrations on carrier
• 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 and durable construction

5.56 Nickel Boron BCG:

• No Aero “A” logo
• Carrier: 8620 tool steel; Bolt: 9310 steel
• Forward assist serrations
• Shrouded firing pin
• Nickel Boron coating inside and out (Bolt, Carrier, and Gas Key)
• Forged Mil-Spec gas key with Grade 8 hardware and properly staked
• Shot peened and MPI marked bolt
• Mil-Spec extractor spring with black insert and Viton O-ring
• Tool steel extractor
• High performance and reliable operation

5.56 Black Nitride BCG:

• Available with or without Aero “A” logo
• M16-cut carrier
• Carrier: 8620 tool steel; Bolt: 9310 steel
• Forward assist serrations
• Black Nitride finish for reduced friction and easier cleaning
• Properly staked gas key
• Shot peened for added strength

Restricted Part: Please check your local and state regulations regarding ownership. May require documentation.