
Glock G21 .45 ACP magazines use Glock’s polymer magazine body with internal steel components to help resist deformation and maintain reliable feeding under everyday use. This 10-round retail package is built for Glock 21 pistols and related 21-platform variants.
Key features
- Black polymer magazine body with internal steel spring and follower components
- Stays rigid under demanding conditions to support consistent feeding
- 10-round capacity configuration
- Factory Glock design for the G21 .45 ACP platform
Add a spare magazine to your range bag with this Glock G21 .45 ACP 10-round Black magazine.
Glock G21 Magazine Black: quick facts
- What caliber is the Glock G21 Magazine Black?
- It is chambered in .45 ACP.
- How many rounds does it hold?
- 10 rounds.
- What does it fit?
- Glock 21s, Glock 21SF.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Iowa?
- Yes. It ships straight to your door anywhere in Iowa.
- Is it in stock?
- Yes, at $25.86. Orders leave within 1-2 business days; shipping is free over $999.







