Glock 21 13-Round Magazine - MF21013

Glock 21 13-Round Magazine

The Glock 21 13-Round magazine is a factory GLOCK magazine for the popular full-sized Glock 21. With the Glock 21 you get the reliability of the GLOCK design chambered in hard hitting .45ACP. When you use this magazine the capacity of your Glock 21 will be 13+1 rounds of .45ACP, enough capacity to have extended fun at the shooting range.

In stock

SKU MF21013

Description / Glock 21 13-Round Magazine

The Glock 21 is a full sized glock designed to fire the .45ACP round. Those who prefer the .45ACP will appreciate that GLOCK has a solution for you with the Glock 21 that provides the legendary GLOCK reliability chambered in .45ACP. With the size of the .45ACP round, the GLOCK design allows for a magazine capacity of 13 rounds which is one of the largest of any semi-auto .45ACP pistol.

This Glock 21 13-Round magazine is the standard full sized magazine that ships with the Glock 21 in states with no magazine capacity restrictions. The Glock 21 was designed to use this magazine to provide a 13+1 capacity to every Glock 21 owner. With 14 rounds of .45ACP ready to fire, you can train longer a tthe shooting range without having to reload as frequently. Extra magazines like this factory GLOCK magazine will ensure you not only train longer but can also be prepared for any situation in the future where magazines may be restricted.

  • Authentic GLOCK Factory Magazine
  • Designed for the Glock 21
  • 13-Round Capacity
  • .45ACP Caliber

More Information

Brand Glock
More from Brand Glock Products
Similar Products

We found other products you might like!

Customer Reviews


Review by Mccoy T.
Verified Buyer

Thank you

Fantanstic ! Reliability ! Quality

Review by Alfio E.
Verified Buyer

Fantanstic ! Reliability ! Quality ! Affordability ! Great items, pricing, and prompt delivery from Keepshooting. They have my business - as I will reorder with them, again !

It’s Glock

Review by Janoah X.
Verified Buyer

It’s a Glock 21 Mag that fits my Glock 30 it’s perfect


Review by Kavi M.
Verified Buyer


Very Happy! Thanks! Will do

Review by Girard D.
Verified Buyer

Very Happy! Thanks! Will do business again soon.

Glock 21 45 ACP Magazines

Review by Jmichael C.
Verified Buyer

Typical quality from these magazines. Price is great and function is as well. I use these in the 21 and 30s with the X-grip. Gives my hands the extra purchase I want and need. No problems ever.

Great product my boyfriend really

Review by Joseangel S.
Verified Buyer

Great product my boyfriend really loved it!

Mags are great. 

Review by Emeka V.
Verified Buyer

Mags are great. 

This magazine is definitely high

Review by Amelia S.
Verified Buyer

This magazine is definitely high end - perfect form and flawless function. Every round is delivered, which I love. Priced right too !

Works great, no malfunctions.

Review by Deleon C.
Verified Buyer

Works great, no malfunctions.

Items 41 to 50 of 684 total

per page
Write Your Own Review
You're reviewing: Glock 21 13-Round Magazine
Your Rating:

You submitted your review for moderation.

This form is protected by reCAPTCHA - the Google Privacy Policy and Terms of Service apply.