The ProMag REM 597 .22 LR magazine is designed to hold 22 rounds of .22 LR ammunition. This magazine is made in the USA and features a durable black polymer construction. ProMag magazines are recognized for their quality, with each unit backed by a lifetime guarantee against manufacturer's defects.Key FeaturesCapacity: Holds up to 22 rounds of .22 LR ammunition.Material: Constructed from durable polymer for longevity and reliability.Spring Construction: Equipped with precision wound magazine springs made from heat-treated chrome silicon wire.