Okay Ind 20 Round AR15/M4 Aluminum Magazine

OKAY Industries SureFeed Aluminum M4 / AR15 , 223 Rem, 556NATO / 300 Blackout 20 Round Magazine with anti-tilt follower.

• Will not shatter or swell like plastic under extreme temperatures
• Mil-Spec follower
• Mil-Spec stainless spring
• Mil-Spec heat treated aluminum housing and hard coat anodized finish.