Product Description
MDX G19 LF with RMR Cut Complete Slide – Optics Ready
Kit Includes:
- MDX G19 LF Slide – Cerakoted
- Chambered in 9mm
- Constructed from 416R Stainless Steel
- Heat treated for durability
- RMR optic cut (6-32 thread pitch)
- RMR plate not included
- Polymer Sights Installed
- Complete Slide Parts Kit
- Includes all upper internal components
- Guide rod included - Not Assembled
- Channel liner pre-installed
- G19 Compatible Barrel
- Drop-in ready
Frame Compatibility:
- Polymer80 PF940CV1
- Strike80
- GLOCK® G19 Gen1–3
- SCT Compact Frames
- G80
Optional Add-On:
- Lower Parts Kit (LPK)
- Choose between MDX Glock Compatible LPK or Glock OEM LPK
- Choose between MDX Glock Compatible LPK or Glock OEM LPK
- Upgrade Ejector
- Installation Service
Optics Compatibility:
- Trijicon: RMR, SRO
- Holosun: 407C, 507C, 508C, 509, EPS
- Swampfox: Kingslayer, Justice, Liberty, Kraken
- Riton: X3 Tactix PRD
- Gideon Optics: Alpha, Rock, Omega
Stainless Steel Captured Guiderod Installtion: (see photo below)

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
“GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither MDX Group Inc., nor this site are 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. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.
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Product Reviews
51 Reviews Hide Reviews Show Reviews
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Slide Review
There was a bad burr in the firing pin safety hole keeping the safety from functioning properly. De-burred, reassembled and function checked passed. Have not test fired yet.
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Amazing slide but missing parts
The slide is 10/10 but I was missing parts. I reached out and he replied fast so I gave it 4 stars. Without the part delay I’d definitely give it 5 amazing craftsmanship.
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Glock 19 slide
This slide is super clean runs great
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Great fit and finish
The kit was a breeze to assemble. All parts fit together with precision tolerances. I recently put over hundred rounds down range with no problems. I only had a hand full of times that the round didn’t feed completely when cycling. As the new parts get broke in more I see this issue going away. I would recommend this product and currently looking for my next purchase.
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Slide
Love it ,fit and finish is great
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MDX Trigger bar issue
I really like the kit as a whole. However the trigger bar was so out of spec it looked similar to my glock 17 trigger bar than my other glock 19 trigger bar. I had no sear engagement at all. Wouldn't reset the trigger 70% of the time. I swapped out all my parts with other oem and the problem was the trigger bar. However other than that, the kit is great, affordable, and clean. Would recommend but with oem parts kit and not the mdx parts.
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Wrong Parts!!!!
I still haven't gotten confirmation if yall are going to send me the correct parts. Please get back with me.
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Wrong Parts!!!!
I still haven't gotten confirmation if yall are going to send me the correct parts. Please get back with me.
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Wrong Parts!!!!
I order a Glock 19 build kit but instead received a Glock 23 build kit. The slide that was sent is too short. I need the Glock 19 kit. Please send me the right parts this time and I will return the parts that you sent.