308 BCG

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Your Price: $238.88
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Part Number:308-BCG
The MA Bolt .308 Carrier Group - for your AR10/LR308.  Machined to USGI specifications. This Carrier includes the proper Mil-Spec Gas Key. The Gas Key Heat Treated per USGI specifications. The Gas Key is secured to the Carrier with Vibra-TITE - 54110 Grade 8 Fasteners, properly staked. These properly hardened parts insure a strong staking and proper Gas System functioning. The Bolt Assembly is machined from 9310 Steel, Shot Peened for increased strength and includes Tool Steel machined Extractor and Ejector, HD Extractor spring, Dual Ejector Springs and Magnetic Particle Inspected. 


  • 8620 "DPMS" Style Carrier 
  • MA Shield Logo Laser Engraved
  • 9310 Bolt
  • Double Ejector
  • Heat Treated
  • Shot Peened
  • MPI Bolt - Magnetic Particle Inspected
  • S7 Tool Steel Extractor
  • HD Extractor Spring
  • Dual Ejector Spring
  • Key Staked Per Mil-Spec using Vibra-TITE - 54110
  • 17-4 H-900 Stainless Firing Pin
  • 8620 Cam Pin with directional arrow lasered on

Calibers Include:
  • .308 WIN
  • 7.62x51
  • 6.5 Creedmoor
  • 8.6 Blackout


The warranty is NOT transferrable and is only valid to the original purchaser.


Each BCG is individually test fired (3rds of Sellier & Bellot 308WIN 147 Grain, FMJ) BCG will ship as is, BCG was lubed and might be dirty from the test firing procedure.


The MA Defense 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

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