California Proposition 65 Warning
This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.
ProMag Industries
$29.99
Available
ProMag Industries Magazine, 9MM, 20 Rounds, Fits GLOCK 17, Polymer Construction, Black GLK-A21
Key Details
Brand
ProMag Industries
Manufacturer Part Number
GLK-A21
UPC
708279015861
SKU
MGPMGLK-A21
Current Stock
160 available
Quantity Updated
Apr 29, 2026 7:50 AM
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Purchase Requirements
- California compliance or distributor restriction review may apply.
- Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description
ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.
Features
- 20-Round Magazine
- For Glock 17/19/26 9MM Pistols
- Magazine Body Constructed of a Proprietary Dupont Zytel Based Polymer
- Magazine Body Has Full Length Steel Internal Insert Stamped and Welded Like The Factory Magazine
- Injection Molded Magazine Follower
- Spring is Made From Heat Treated Chrome Silicon Wire
- Made in the U.S.A.
Specifications
UPC:
708279015861
Manufacturer:
ProMag Industries
Manufacturer Part #:
GLK-A21
Capacity:
20 Rounds
Type:
Magazine
