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Reviews & Ratings for KRISS USA Mag-Ex2 Glock 17 9mm 40 Round Pistol Magazine Magazine Extension Kit — 7 reviews

(7 reviews)
KRISS USA Mag-Ex2 Glock 17 9mm 40 Round Pistol Magazine Magazine Extension Kit
KRISS USA Mag-Ex2 Glock 17 9mm 40 Round Pistol Magazine Magazine Extension Kit
$32.99 $29.69 Save 10%
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Most Helpful Positive Review Easy install!
Love the look and was too easy to install. I originally bought it for a Glock 17 build but didn’t fit with the magwell I have installed. But looks great with my other pcc’s!
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kriss vector mag

by Ben Dover, Verified Owner from TX, United States Written on March 8, 2026
The mag is extremely good and holds to much ammo to know what to do with it!
Pros:
  • capacity
  • ammo cycles as expected
Cons:
  • Big
  • pokes out
Best Used for:
  • Range
  • Home Defense
  • Range day
Would recommend: Yes
Was it helpful to you? Yes | No
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worth it- just get one

by hodge, from AZ, United States Written on January 22, 2026
FYI it does not come with the Glock mag. You will supply that- Clicks together super easy and smooth. Connection is positive feels solid and rugged. Flush fitting with a g17/34 frame. Will not work with a Maxwell fits all my Glock Carbines and pistols. I like this more and the 33rd Glock OEM.

100% worth it
Pros:
  • Looks awesome
  • Sturdy
  • fits
  • easy to install, exactly as advertised
Cons:
  • does not fit with a magwell
Best Used for:
  • shooting
Would recommend: Yes
Was it helpful to you? Yes | No
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total junk, complete junk

by Joe, from MO, United States Written on January 11, 2026
I bought 2, went to the range and both had follower jam at base in less than 3 shots. then one exploded and seperated splitting the plastic shell. both jammed my vector in a bad way. ill never buy anothern vector made mag
Pros:
  • None
Cons:
  • everything
Best Used for:
  • kindling
Would recommend: No
0 of 1 found the following review helpful.
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perfect fit

by goose, Verified Owner from NM, United States Written on December 31, 2024
Simple to do really recommend works how it’s supposed to
Would recommend: Yes
Was it helpful to you? Yes | No
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Nice to have 40

by JT, Verified Owner from OH, United States Written on December 18, 2024
Work well with factory glock mags. Easy to assemble. Fit like they are supposed to. I recommend not doing mag drops. You have 40 so you don't really need to.
Would recommend: Yes
Was it helpful to you? Yes | No
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Great mags

by Monster, Verified Owner from KS, United States Written on September 8, 2024
This is the best way to feed your Vector. Increases the capacity of Glock 17 mags to 40 rounds and matches the asthetics of your Vector. Just as reliable as a standard Glock magazine.
Pros:
  • Capacity, reliability, aesthetics (looks great)
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.