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Features:30 round Aluminum AR-15 magazine Hardcoat anodized with a black PTFE finish Four-way, anti-tilt, self-lubricating follower Enhanced feed lips Textured side panels Mil-Spec stainless steel follower spring Each magazine passes a rigorous inspection and testing process 100% made in the U.S.A While polymer magazines do have their benefits and space age aesthetic, aluminum mags are not to be forgotten about. One of the benefits that aluminum has over polymer is that it does not swell or shatter in extremely high or low temperatures. The aluminum feed lips are also strong enough to withstand the pressure of a fully loaded magazine over long periods of time without bending or breaking. The history of Okay Industries goes back to WWII where they helped manufacture millions of M1 Carbine magazines for the United States Military. Fast forward and they helped co-develop the 30-round M16 magazine and has been a preferred supplier of magazines to the U.S. government ever since. Now Okay Industries are making their widely popular AR-15 magazines available to the public with the SureFeed and SureFeed E2 designs.
|Manufacturer||OKAY Industries, Inc.|
|Caliber||5.56 NATO, .223 Remington, 223 Rem, .223 Wylde|
|Rate of Twist||No|
|Overall Length in Inches||No|
|Manufacturer Part Number||OK675-BLK-P|