CMMG MK4/AR15 5.7X28MM 10-Round Magazine - 54AFC44

The CMMG 5.7x28mm 10-round magazine is purpose-built for AR15 and Mk4 platforms using CMMG 5.7x28 Radial Delayed Blowback Uppers. It features a redesigned exterior with stylized texture and 5.7x28mm side engraving, while its polymer construction ensures durability and a consistent fit for 5.7x28mm AR conversions. - Textured grip surface with 5.7x28mm side engraving - Designed for CMMG Mk4/AR15 5.7x28mm conversion uppers - 10-round capacity for 5.7x28mm cartridges - This magazine offers reliable magazine performance and modern ergonomic features for AR-platform builds chambered in 5.7x28mm. Its quality construction is suited for dedicated AR conversions seeking dependable use. - Not available to ship to California