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

Very Happy
Review by Ricardo N.
Verified Buyer
I bought three mags and they all work.
Quick Shipping
Review by Nachum C.
Verified Buyer
Feeds in my Glock using any ammo.
Very Pleased
Review by Tara K.
Verified Buyer
Best mags for the price sold by a awesome company. Thank you KEEPSHOOTING!
Flawless Magazine
Review by Royale S.
Verified Buyer
Cheapest price I could find that was available. Shipping was speedy via Fedex.
Perfect Mags 5*
Review by Micholas M.
Verified Buyer
Finest clips for the buck from a terrific company. Thank you ks!
Quick Processing
Review by Alric S.
Verified Buyer
Clips look good. Exactly what I wanted.
Terrific Deal
Review by Avory M.
Verified Buyer
Best mags for the price sold by a awesome company. Thank you ks!
Great Deal
Review by Raynathan P.
Verified Buyer
I purchased three clips and they all work.
A-1 Mag 5*
Review by Natale O.
Verified Buyer
Cost is good and shipping was speedy.
Just as pictured.
Review by Eriberto N.
Verified Buyer
Received in three days after buying. Will be back to buy at keepshooting again!
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