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

Good for me
Review by Goerge E.
Verified Buyer
Best price anywhere that was online. Shipping was fast from UPS.
Excellent Price
Review by Adelbert Z.
Verified Buyer
5 Star
Exactly as pictured.
Review by Allie C.
Verified Buyer
Received in two days after buying. Will be back to buy at KS again.
Perfect Magazine 5*
Review by Shaheed N.
Verified Buyer
I ordered three mags and they all are as expected.
First-Rate Mag A++
Review by Sumner J.
Verified Buyer
Great Seller
Review by Espiridion E.
Verified Buyer
Received in three days after placing my order. Will be back to buy from KS again!
Very Satisfied
Review by Dana N.
Verified Buyer
Received in three days after buying. Will be back to shop from KS again.
Exactly as described.
Review by Stefen P.
Verified Buyer
Fits in my Glock using HP ammo.
Review by Isidore R.
Verified Buyer
Happy with this purchase.
Great Transaction
Review by Macario F.
Verified Buyer
These clips are excellent. Would absolutely buy again.
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