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

Glock mags
Review by Keepshooting Customer
Verified Buyer
I bought these because I wanted to use them in my Ruger PC Carbine. They fit perfectly and function flawlessly.
Glock 21 mags
Review by Keepshooting Customer
Verified Buyer
Great price and quick shipping
Review by Keepshooting Customer
Verified Buyer
Good price and fast shipping
Good Order
Review by Edd K.
Verified Buyer
I purchased three mags and they all work perfect.
Thanks keepshooting
Review by Derald V.
Verified Buyer
Functions in my Glock using HP ammo.
Review by Malike Z.
Verified Buyer
Leading mags for the buck sold by a awesome company. Thank you KEEPSHOOTING!
Review by Yoshua S.
Verified Buyer
Clips look excellent. Exactly what I needed.
Great Deal
Review by Marcelino T.
Verified Buyer
Finest clips for the price sold by a awesome company. Thank you KEEPSHOOTING!
Great Price
Review by Adryan W.
Verified Buyer
Mags look wonderful. Exactly what I wanted.
Just as pictured.
Review by Gavin Q.
Verified Buyer
Mags look perfect. Exactly what I needed.
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