MA Nitride 6.8/224 BCG

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Your Price: $179.95
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Part Number:MA-NIT-224-BCG
The MA Defense Bolt Carrier Group - Auto Version - for your M4 or AR15.  Machined to USGI specifications. This M16/M4 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 620 Loctite & OCKS Fasteners, properly staked per Military-Specifications. 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, Colt Extractor spring, Sprinco Ejector Springs and is High Pressure Tested and Magnetic Particle Inspected. 


Features:
  • M16 8620 Tool Steel Carrier
  • Hard Chrome Bore
  • MA Shield Logo Laser Engraved
  • 9310 Bolt
  • Heat Treated
  • Shot Peened
  • HPT Bolt - High Pressure Tested 
  • MPI Bolt - Magnetic Particle Inspected
  • S7 Tool Steel Extractor
  • Sprinco Extractor Spring
  • Sprinco Ejector Spring
  • 8620 Hard Chrome Internal Gas Key Hardened to USGI Specifications
  • OCKS (Optimized Carrier Key Screws) Fasteners
  • Key Staked Per Mil-Spec using 620 Loctite
  • 17-4 Stainless Firing Pin
  • 8620 Cam Pin with directional arrow lasered on it
  • Machined to USGI Specifications
  • H&M Black Nitride finish
  • Bolt Comes Pre-Lubed with Cherrybalmz BRB
  • FREE GAS RINGS FOR LIFE


Each BCG is individually test fired with 3 rounds and 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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