SAA AR-15/M16 - BCG MPI -NITRIDE - 450 Bushmaster / 458 SOCOM -3-Flat Complete Bolt Carrier Group

Product Description

SAA AR-15 Nitride Complete Bolt Carrier Group (BCG) -3-Flat - 450 Bushmaster / 458 SOCOM

This BCG greatly improves the performance of your AR-15 and eliminates the need to apply oil or grease to treated parts for the life of the weapon.  Nitride treated parts include: Carrier, Bolt.  Phosphate extractor, Key and screws, firing pin retaining pic (cotter pin) and Cam pin.

• Caliber: 450 Bushmaster / 458 SOCOM
• Nitride Carrier
• Bolt Material: 9310 Steel
• MPI Tested
• Carrier Material: 8620
• M16 Full Auto Style Carrier
  
• Forward Assist Serrations
• Extractor, Carrier key, Cam Pin and Firing Pin Retaining Pin (Cotter Pin)
• Mil-Spec Gas Rings
• Mil-Spec Staked Gas Key 
• Fully assembled
• All Parts Made in the USA.