ProMag .45 ACP 13-Round Magazine for Glock 21 Pistols

This is a 13-round .45 ACP magazine for Glock 21 and 41 pistols from ProMag.

The ProMag 13-round .45 ACP Glock magazine is an affordable aftermarket mag faithfully manufactured to tight specifications for consistent, dependable operation with your G21 or G41 pistol.

This .45 ACP Glock 21 magazine features a durable, high-impact DuPont Zytel polymer body with a full-length steel lining for superior durability and lasting performance in fast-action defensive environments.

Additionally, the high-tensile chrome silicon spring, coupled with a non-tilt polymer follower, ensures proper cartridge alignment and reliable operation.

Numbered witness holes offer quick, visual round counts, while precise tolerances deliver a snug, wobble-free fit for added security.

Better yet, this Glock .45 pistol magazine is backed by ProMag’s lifetime warranty for lasting service you can truly depend on. What are you waiting for? Order now.