ProMag H&K USP Full-Size Magazine .45 ACP 12-Rd

This ProMag replacement magazine is designed for the Heckler & Koch USP (Full Size) pistol in .45 ACP. It holds 12 rounds and features a blued-steel body with a polymer follower and a heat-treated spring for reliable feeding. The magazine is listed as made in the U.S.A.

Key Specifications

• The capacity is 12 rounds.
• The cartridge listed is .45 ACP.
• Compatible with Heckler & Koch USP (Full Size) pistols as specified in the source description.
• The magazine body is described as heat-treated blued-steel in the provided product text.
• The follower is constructed of a DuPont Zytel-based polymer.
• The springs are made from heat-treated chrome-silicon wire for smooth feeding.
• The finish is listed as Black.
• Country of origin is listed as Made in the U.S.A..
• The product lists a weight of 0.25 (unit not specified in source data).

This magazine provides a factory-style replacement option for owners of full-size H&K USP pistols chambered in .45 ACP. With a blued-steel body, polymer follower, and heat-treated spring construction as documented, it is built to integrate with standard service pistols and support routine carry or range use while maintaining straightforward functionality and serviceability.