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

Review by Lorenza I.
Verified Buyer
Happy with this company.
Great Item
Review by Rio T.
Verified Buyer
Leading mags for the price shipped by a awesome company. Thank you ks!
Perfect Item
Review by Ryker L.
Verified Buyer
The mags are great. Would absolutely buy again.
Great for my use
Review by Gleen S.
Verified Buyer
Leading mags for the buck from a awesome company. Thank you KEEPSHOOTING!
Good Mag
Review by Nuno Q.
Verified Buyer
Received in four days after ordering. Will be back to buy from Keepshooting.
Great Company
Review by Piotr V.
Verified Buyer
Feeds in my Glock using any ammo.
Good for my use
Review by Mister R.
Verified Buyer
Received in three days after placing my order. Will be back to shop from KS again!
Fast Delivery
Review by Placido A.
Verified Buyer
Cost is good and shipping was quick.
Good Price
Review by Creig F.
Verified Buyer
I purchased four clips and they all function great.
Very Happy
Review by Derrell D.
Verified Buyer
Pleased with this company.
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