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FACTR Glock® Magwell for G19 Gen3-4

(15 reviews) Write a Review

FACTR™ Glock® Magwell for Gen3-4

In the search for an effective magwell to run on our carry guns without drastically increasing the profile and size of the bottom of the grip, we kept coming up short. Too wide. Too tall. Funnel too small. Not enough funnel angle at all. Poor grip enhancement. Ugly as sin. That's when we decided that FACTR needed a magwell of its magwell to rule them all...just kidding. However, we believe the FACTR Magwell checks all of the boxes in the search for an effective and concealable CCW magwell. It adds significant reloading functionality with a minimal EDC footprint. It also provides grip enhancement by giving the user a comfortable index ledge for the hanging pinky...more of that digital comfort you've come to expect from us.

This is how:

  • 6061-T6 Alumin-i-um (said with our best Jony Ive voice)
  • Functional 50° funnel angle
  • Approximately 48% increased opening over stock
  • Contoured grip optimization
  • Generation-specific flush fit grip plug
  • Flush plug mounting screw at rear of grip
  • Locking Heli-Coil threads for magwell-to-plug attachment screw provides secure and worry-free interface
  • Backstrap-compatible
  • Less than 1/4 in. increase in overall grip width
  • Approximately 1/8 in. increase in overall grip length
  • TTI Base Pad compatible
  • Gen5 magazine compatible (Gen5 magazine baseplate will not bottom out before engagement, run Gen5 mags with your Gen3-4 guns)
  • High-quality hard anodized finish delivers durability and that "buttery" soft feel
  • MADE IN USA (the only way we do it)


  • Black
  • Red

Compatible with Glock® G19/23 Gen3 or Gen4 ONLY (Must choose correct generation to receive correct plug)

Typically, use with restricted state 10rd (or fewer) magazines will require aftermarket basepads designed to work with magwells. Check out our FACTR +0 Basepads here.


Quality | Utility | Reliability™


“GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock Inc. or Glock Ges.m.b.H. Neither FACTR USA, Inc. nor this site is affiliated in any manner with, or otherwise endorsed by, Glock, Inc. or Glock Ges.m.b.H. The use of “Glock” on this page is merely to advertise the sale of Glock pistols, parts, or components.

15 Reviews Hide Reviews Show Reviews

  • 5
    Fit and finish

    Posted by David Agnew on Sep 9th 2021

    Great product and amazing fit. Exactly what I was looking for!

  • 5
    Glock Magwell G19 Gen4

    Posted by Leo on Aug 6th 2021

    I’m glad I finally purchased the Factr magwell. The fit, look and feel is amazing. Not too big or small, it’s just perfect. Great design as well as function.

  • 5
    Glock Magwell is Fantastic!

    Posted by Ramon on Aug 3rd 2021

    Let me start by saying this is by far the best magwell I have seen, quality is exceptional with no gaps and you can still use the backstraps. I have tried two other brands and was not happy until I purchase this one. I can assure you this one is a keeper, thanks FACTR! Great job!

  • 5
    Magwell on GEN 4 G19

    Posted by Michael Thannum on Aug 2nd 2021

    Fit & finish is great! Wish I would have bought before now. If thinking about it, stop, & add to cart!

  • 5

    Posted by Jeff Crichton on May 29th 2021

    Outstanding concealed carry magwell!!

  • 5
    Factr magwell

    Posted by A. Diaz on May 2nd 2021

    Amazing, solid piece of hardware. Would 100% recommend. Even if you aren’t looking to get a magwell I recommend you consider the factr magwell since its minimalistic and still very effective. I have mine on a G19 Gen 3 that I conceal. Built very well and made from great material. Seriously nothing bad to say. Worth every penny.

  • 5

    Posted by Joe on Apr 21st 2021

    Perfect fit. Outstanding machine work and finish. Easy to install. Improved grip purchase of the Gen4 G19 and eliminated skin bite while running the magazine home.

  • 5

    Posted by Craig Bowles on Mar 12th 2021

    This is a very nice mag well with a low profile for concealed carry. This is a really nice fit and finish which has a relatively low profile for concealed carry. I’m very happy with the product.

  • 4
    Well made magwell

    Posted by JW on Feb 18th 2021

    The fit and finish were great; definitely a quality product. However, I was not able to ultimately use this magwell. My G19 Gen 3 has a professionally done stipple job, and I believe that has altered the dimensions / shape of the bottom portion of the grip a little bit. This cause the magwell to not properly fit / line up. I did start shaving / cutting some of the stippling back and got a better fit, but it was definitely still compressing / squeezing the mag opening and preventing empty mags from dropping free. After spending a fair amount of time, it did improve, but it was still problematic. I admit that I gave up and moved on for now [may revisit it later when I have more free time to spend on it]. So for people with stock G19s, I suspect that this may be fine / drop-in. But if you have had some stipple work done, then just be prepared to deal with some fitment / clearance issues that you may need to work on.