ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.
Drum housing constructed of a proprietary DuPont Zytel based polymer
Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
Injection molded magazine follower
Magazine spring formed from heat treated stainless steel
Made in USA
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.