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Check-Mate’s line of 2011® compatible magazines are made from the highest quality American milled stainless steel. Every tube is through-hardened for exceptional strength and durability. Tubes are polished inside and out to eliminate drag. The follower is designed featuring Check-Mates anti-friction self-lubricating polymer for exceptional feed and function with every round. Check-Mates high-performance springs offer high quality, outstanding reliability, and exceptional spring endurance.
For states that do not require the base sealed shut we can still epoxy it shut on request free of charge. Just let us know you would like it done.