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

The CMMG 34AFC6B magazine delivers reliable feeding for .338 ARC cartridges in AR-15 platform rifles. This 10-round capacity magazine addresses the unique dimensional requirements of the .338 ARC cartridge while maintaining compatibility with standard AR-15 lower receivers.

What Makes This Different

Unlike standard 5.56/.223 magazines, the CMMG 34AFC6B features modified internal geometry specifically engineered for the .338 ARC's larger case diameter and overall length. The polymer construction reduces weight compared to steel alternatives while the follower design ensures consistent cartridge presentation. This magazine eliminates feeding issues common when attempting to use standard AR magazines with .338 ARC ammunition.

Key Features

• 10-round capacity optimized for .338 ARC cartridge dimensions
• Black polymer construction for lightweight durability
• Modified follower geometry prevents feeding malfunctions
• Standard AR-15 magazine well compatibility
• Anti-tilt follower maintains proper cartridge alignment
• Textured exterior provides secure grip during reloads
• Spring-loaded base plate for easy disassembly

Field performance shows consistent feeding across various .338 ARC loads, from 200-grain hunting bullets to lighter target projectiles. The magazine functions reliably in both semi-automatic and rapid-fire scenarios. Temperature testing demonstrates operation from -20°F to 140°F without spring tension loss or polymer degradation.

Technical Specs

• Capacity: 10 rounds
• Cartridge: .338 ARC
• Material: High-impact polymer body
• Color: Black
• Compatibility: AR-15 platform rifles
• Overall Length: Approximately 7.5 inches
• Weight: 4.2 ounces (empty)
• Manufacturer: CMMG Inc.

This magazine represents the engineered solution for .338 ARC feeding reliability in AR-15 platforms. CMMG's reputation for precision manufacturing ensures consistent performance across thousands of rounds. The 10-round capacity balances ammunition availability with practical handling characteristics.