ProMag HECA2 20-Round Magazine — .45 ACP (H&K USP)

The ProMag HECA2 is a 20‑round replacement magazine designed for the Heckler & Koch USP full-size pistol in .45 ACP. It features a heat-treated blued-steel magazine body, a DuPont Zytel polymer follower, and a chrome-silicon spring for consistent feeding. The magazine includes a molded grip sleeve to fill the gap between the grip frame and the base plate on full-size pistols. Made in the USA and backed by ProMag's lifetime guarantee against manufacturer's defects.

Key Specifications

• The caliber is .45 ACP.
• The capacity is 20 rounds.
• The magazine body is constructed of heat-treated blued steel.
• The follower is made of DuPont Zytel polymer.
• The spring is formed from chrome-silicon wire.
• Includes a molded grip sleeve to fill the grip-to-base gap on full-size frames.
• Designed to fit H&K USP (full size) pistols.
• The finish is listed as Oxide.
• This is a detachable pistol magazine.
• Manufactured in the USA.

Durable construction and proven materials make the HECA2 a practical spare or replacement for range use and training. Its OEM-fit profile and included grip sleeve simplify handling and installation on full-size H&K USP pistols.