Year after year, ProMag has solidified its status as one of the leading manufacturers of firearms magazines worldwide. Trusted by gun enthusiasts and law enforcement personnel alike, ProMag is the go-to source for all shooting needs whether for recreational "plinking," competitive shooting or law enforcement applications. Introducing the 10-round .45 ACP magazine for the UZI carbine/SMG. This magazine is constructed from high carbon heat-treated steel and TIG-welded for exceptional strength and durability. The springs are precision wound from heat-treated chrome silicon wire, ensuring reliable performance. Additionally, the bases and followers are injection molded from high-quality polymers selected for their durability. The result is a magazine that offers quality, consistency and reliability you can count on when it matters most.