Brand: Modern Armory

Modern Armory .223/5.56 9310 Bolt Carrier Group Black Nitride - MA-9310-NIT-BCG

SKU: 8638

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$159.95

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SKU: 8638 Categories: AR-15 BCGs, Bolts, Carriers & BCGs (Bolt Carrier Groups), Excluded from Codes

Description

The MA 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, Sprinco 5-coil Extractor spring, Sprinco Ejector Springs and is High Pressure Tested and Magnetic Particle Inspected.

Features:

M16 8620 Tool Steel Carrier
MA Shield Logo Laser Engraved
9310 Steel Bolt (These Bolts are Manufactured & Heat Treated Correctly.
Heat Treated
Shot Peened
HPT Bolt – High Pressure Tested
MPI Bolt – Magnetic Particle Inspected
S7 Tool Steel Extractor
Sprinco 5-Coil HD Extractor Spring
Sprinco Ejector Spring
8620 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
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 (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.

Additional information

Weight	11 oz
Bolt Material	9310 Steel
Cartridge Compatibility	.223/5.56 NATO/.300 BLK
Finish	Salt Bath Nitride
Carrier Profile	M16
High Pressure Tested	HP Tested
Magnetic Particle Inspected	Magnetic Partical Inspected
Platform	AR-15
Bolt Finish	Nitride / Melonite
MPN	MA-9310-NIT-BCG

Compliance

NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.

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