ProMag H&K USC Magazine – .45 ACP – 20rd – Black Polymer

This ProMag magazine is a 20-round replacement designed for the Heckler & Koch USC .45 ACP carbine. The body and follower use a DuPont Zytel-based polymer formulation for long service life, and the spring is made from heat-treated chrome-silicon wire to promote consistent feeding. Intended for range use, training, and general carbine support where a factory-compatible 20-round capacity is required.

Key Specifications

• The caliber is .45 ACP.
• The capacity is 20 rounds.
• The construction material is polymer.
• The finish/color is black.
• Compatible with the H&K USC carbine.
• The body and follower use a DuPont Zytel-based polymer.
• The spring is made from heat-treated chrome-silicon wire for reliable feeding.
• Country of manufacture is listed as Made in the U.S.A..
• The listed weight is 0.5625 (as provided).
• Shipping restrictions may apply to certain states due to local laws.

This magazine provides a durable, factory-compatible option for USC owners seeking a 20-round polymer magazine with reliable feeding characteristics. Built with common replacement materials and U.S. manufacture, it suits range sessions, training, and routine use where a robust spare magazine is needed.