PMAG M3 AR 5.56 30RD BLK WNDW 100 CASE PACK Manufacturer Model Number: MAG556-BLK Manufacturer: Magpul Model: PMAG 30 AR/M4 Gen M3 Caliber: 223 Rem | 5.56 NATO Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 30 Finish: Black Overall Length: 7.5" Weight: 5 oz. Shipping Weight: 0.35 Feature: Colt-spec AR15/M4 Firearms Feature: Anti-Tilt Follower Feature: Transparent Side Windows Optic Adjustable Objective: false Optic Reticle Illuminated: false