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Reviews & Ratings for Killer Innovations Velocity Glock 19 Magazine Extension — 14 reviews

(14 reviews)
Killer Innovations Velocity Glock 19 Magazine Extension
Killer Innovations Velocity Glock 19 Magazine Extension
$52.49 Add to Cart for Your Special Price
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Most Helpful Positive Review amazing so far!!
Simple install!! Quick and easy! Solid look and adds a nice feel! Using with a G19 Gen 5. No issues so far! Seems most bad reviews are just user error! Will definitely be back with an update after a solid few range days!
Most Helpful Negative Review Save Some Money
First off, this thing looks cool and appears to be of good quality. However, this mag extension is very bulky and provides very little benefit. I prefer the Tyrant Designs mag extension, it seems to be easier to manipulate.
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Fat Bottom Mags

by OKIECOWBOY68, Verified Owner from SC, United States Written on April 18, 2026
Killer Innovations Velocity mags are the best looking extensions IMO. I thought the serations might dig into my side while CC'ing but the machining they do leaves all the edges smooth so no problem there and installation is easy-peasy. The finish is exceptional, there isn't any color variation from one to the next. They dress up a plain-jane pistol and what can I say, I like my mags like I like my women, with a little extra on the bottom. �‍♂️�
Would recommend: Yes
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adds few rounds to ur mag

by vik, Verified Owner from OR, United States Written on December 26, 2025
Good quality mag extention , i wouldnt say its better than other brands for 1/2 the price , also does make ur glock much heavier , even when mag is empty , but helps with reloading , mag just flys off.
Would recommend: Yes
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Character limit reached

by Joseph Oconnell, Verified Owner from DE, United States Written on March 24, 2025
Let’s see there has to be 50 characters in order for this to be in legitimate review so here is what I will say. I bought it. They shipped it it worked.
Would recommend: Yes
Was it helpful to you? Yes | No
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Killver Innovations Mag Extension

by Chris, Verified Owner from CO, United States Written on January 21, 2025
Picked up the black extension and it looks great with my Glock! Great quality, easy to install, a looks awesome!
Would recommend: Yes
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Works great

by Jacob Burks, Verified Owner from NH, United States Written on October 30, 2024
Worked great as usual killer innovations killed it ���
Would recommend: Yes
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mag extension

by c, Verified Owner from FL, United States Written on April 10, 2024
Good, easy maintenance, sick design. Goes good with any glock mag, great adition to killer innovation slide
Would recommend: Yes
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matches the lines/look of Kiger 9c Pro

by Dangerous Badman, Verified Owner from TN, United States Written on December 23, 2023
Design flows perfectly with the lines of the 9c Pro with sct19 magwell addition.
Pros:
  • Pew Pew
Cons:
  • None
Best Used for:
  • Pew pew pew
Would recommend: Yes
1 of 1 found the following review helpful.
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KILLER INNOVATIONS EXTENDED MAGAZINE

by Henry Vallar, Verified Owner from CA, United States Written on November 21, 2023
as described, I love it fits well, Looks good on my gun
Would recommend: Yes
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KI mag extension

by Henry Vallar, Verified Owner from CA, United States Written on November 14, 2023
good product from Killer Innovations quality is superb very happy with it, It works on my 10 round mag not using the springs comes with it I used the oem glock 19 mag
Would recommend: Yes
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Look Cool But Thats It...

by Austin F., Verified Owner from TX, United States Written on June 6, 2022
These mad extensions look awesome but are horrible to install. Both springs that came with this product did not install correctly into the feeder. I was able to bend one enough to make it work but the other one i got is no good and ended up in the trash. Ill be looking for other brands my next time around.
Pros:
  • Looks
Cons:
  • Install a pain
  • Not right fit
Would recommend: No
0 of 1 found the following review helpful.
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Last updated 2025-11-12 UTC.