ASC AR-15 9mm Rifle 20-Round Stainless Steel Magazine Black

ASC Stainless Steel 9 MM magazines are an improvement on the Colt style classic AR9 magazine. Engineered with the highest levels of quality for confidence and 100% reliability, simply the best in the industry! Our magazines are manufactured 100% start to finish in the USA formed out of 410 Stainless Steel Alloy .052 gauge for superior strength and lasting endurance. Our magazines are chemically treated for corrosion resistance [ref QQ-P-35] integrated with our proprietary coating, a high grade Marlube which is a wear-in not wear-off coating that burnishes in the surface providing self-lubricating properties. The interior dimensions of OAL 2.316" .002 are perfect for reloads. From first to last... rounds feed flawlessly through our 9 MM magazines.ASSEMBLY COMPONENTSChrome Silicon SpringsEnhanced Anti-tilt Polymer Followers410 Series SS Retainer Plate and Floor plate- Powder coated Matte Black