PLEASE READ
****The BCG has changed, it now comes as MIL-SPEC and upgrades have to be selected****
The MA Bolt Carrier Group - Auto Version - for your M4 or AR15.
Features:
- 8620 Alloy Steel Carrier
- Manganese Phosphate Finish
- Hard Chrome Bore
- Blank or Logo Laser Engraved
- Carpenter 158 Steel
- Heat Treated
- Shot Peened
- MPI Bolt - Magnetic Particle Inspected
- 4140 Phosphate Extractor (NON MIM)
- 8620 Mag Phos Chrome Lined Gas Key (Hand Lapped)
- Gas Key Properly Installed Using Vibra-Tite 541
- 8640 Steel Chrome Plated Firing Pin
- 8620 Cam Pin
- Bolt Comes Pre-Lubed with our house blended lube
- FREE GAS RINGS FOR LIFE
UPGRADES
- OCKS Fasteners
- Sprinco 5-coil Extractor Spring
- Sprinco Ejector Spring
The warranty is NOT transferrable and is only valid to the original purchaser.
Each BCG is individually test fired (3rds of ARMSCOR 223REM 55GR) BCG will ship as is, BCG was lubed and might be dirty from the test firing procedure.
The Modern Armory Bolt Carrier Group is proudly MADE IN THE USA by hard working American men and women.
*Lifetime Guarantee covers manufacturing defects in materials and workmanship, regardless of the age of the product, but it does not cover normal wear and tear. Wear and tear is damage that naturally and inevitably occurs as a result of normal use.
ITAR: International Traffic in Arms Regulations Controlled