ProMag Heckler & Koch (H&K) USC Carbine Magazine .45 ACP Black Polymer 20/rd

A 20-rd magazine for the Heckler & Koch USC carbine in .45acp. The magazine body and follower are 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.