ProMag Heckler & Koch USP 45 ACP Steel Pistol Magazine

A 12-rd magazine for the Heckler & Koch USP (Full Size) pistol in .45acp. The magazine body is constructed with heat-treated blued-steel with a follower constructed of a proprietary DuPont Zytel based polymer to ensure a long service life. The springs are made from heat treated Chrome-silicon wire for increased reliability and smooth feeding. Made in the U.S.A.