Glock 21 10-Round Magazine

The Glock 21 10-Round Magazine is a GLOCK factory magazine for the Glock 21 pistol. This magazine is designed to only hold 10 rounds to ensure universal compliance with magazine capacity restrictions. Legal in all 50 states, this magazine is ideal for those who are lucky enough to own a Glock 21 but unfortunately live in a state where magazine capacity is restricted.

In stock

SKU MF10021

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American Owned and Operated


20+ Years In Business

Returns Accepted

Ships from Pennsylvania




  1. Authentic GLOCK Factory Magazine
  2. Designed for the Glock 21
  3. 10-Round Capacity
  4. .45ACP Caliber

More Information

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Customer Reviews

Great for my use
Review by Bartholomew I.
Verified Buyer
I ordered four clips and they all function.
Very Satisfied
Review by Toriano F.
Verified Buyer
Cost is good and shipping was speedy.
Rapid Delivery
Review by Karey J.
Verified Buyer
Feeds in my Glock using any ammo.
Excellent Website
Review by Clint H.
Verified Buyer
Leading clips for the buck shipped by a terrific company. Thank you KS!
First-Class Mag
Review by Sherrell B.
Verified Buyer
Would Recommend this clip
Review by Thayne M.
Verified Buyer
Mags look excellent. Exactly what I needed.
Quick Processing
Review by Taggart W.
Verified Buyer
I ordered four clips and they all are as expected.
Quick Processing
Review by Stephan V.
Verified Buyer
Mags look excellent. Exactly what I wanted.
Exactly as described.
Review by Glyn Z.
Verified Buyer
5 Star
Good Website
Review by Evander J.
Verified Buyer
5 Star
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