Ruger AR-15/AR-556 .223/5.56, 5rd 90679 450 Bushmaster Ruger Black Detachable

Made in the USA the AR-556 .450 Bushmaster, 5-round magazine is made using .020 gauge 410 stainless steel alloy and heat treated for strength and durability. The magazine is then chemically treated for corrosion resistance and coated with a proprietary Marlube finish that will not wear off and includes chrome silicon springs and an enhanced anti-tilt black polymer follower.