MAG CMMG AR15 350LEGEND 10RD BLK

Description

This 10-round magazine is built by CMMG specifically for AR15 rifles chambered in .350 Legend, and it sits at the center of what makes that caliber conversion practical. The .350 Legend cartridge is wider than 5.56, so it requires a dedicated magazine rather than a simple spacer or adapter — CMMG designed this one to feed reliably in a standard AR15 magazine well without modifications to the lower receiver itself.

The body is stainless steel with a black finish, which gives it corrosion resistance that a straight carbon steel magazine wouldn’t offer, particularly relevant for hunters who carry their rifles in wet conditions. The anti-tilt follower keeps rounds aligned consistently as the stack drops, reducing the chance of a nose-down feed angle that could cause a stoppage at an inconvenient moment.

One thing worth knowing before purchasing: CMMG notes that design variations in barrel extensions and feed ramps between manufacturers can affect how this magazine feeds. It’s engineered around CMMG’s own .350 Legend barrel geometry, and feeding in a third-party barrel may require some fitting depending on how that barrel’s feed ramp is cut. If you’re running a CMMG barrel, it’s a straightforward pairing. If you’re running another maker’s barrel, it’s worth verifying compatibility before heading to the field.

The 10-round capacity suits deer hunting in states that impose round limits for centerfire semi-automatic rifles, and the magazine is also available from CMMG in 5-round and 20-round versions if your needs differ.