CMMG 34AFC6B .338 ARC 10rd AR-15 Magazine - Black Polymer

The CMMG 34AFC6B is a factory .338 ARC magazine engineered specifically for AR-15 platforms, including the CMMG MK4 family of lower receivers. Designed and built in the USA, this magazine delivers the fit and feeding reliability CMMG is known for across the AR-15 market.

Constructed from durable black polymer, the 34AFC6B keeps carry weight low while standing up to hard range use. The integrated high-visibility yellow anti-tilt follower keeps rounds stacked straight for smooth, consistent feeding and lets the shooter confirm round count at a glance during a reload.

Whether you are topping off a range bag or replacing a worn magazine on your .338 ARC build, the CMMG 34AFC6B is a purpose-built factory option that drops in and runs.