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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G 19 upper parts kit
Have not installed yet Looks like a good quality product I am very satisfied
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I recommend it
It worked flawlessly the first try before lubrication. I recommend this slide 100%. I will definitely buy another one once they have the sub compact version available again.
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Not working with my 2 different lowers but a factory gen 5 works
I am having issues with this slide not engaging the trigger. It will engage it if I put pressure against the lower when I rack it but not if I just pull it back and release it. Don't know how to fix the problem as being the first time I am building a Glock style pistol
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Good build kit
Really good price point for the kit and it does look aesthetically pleasing. Quality seems to be there. I haven't had much time to fire it, yet, but it does seems to be of good quality.
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A+ company very professional
LF19 Tungsten gray upper SS 9x19 barrel Titanium blue lower, Trijicon RMR what can I say this thing looks and functions like a dream Big thanks guys at MDX hooked it up with a SS guide rod and did I mention the 2 day shipping? A++
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Best kit for price
My favorite slide kit right now. No fitment issues, looks amazing, doesn't break the bank.
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Great product
I will know more about the product once I put about 500 rounds through the slide.
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LF 19 Slide Kit
Everything when together we'll and with no hiccups. The Tiffany Blue and black barrel looks amazing. Only reason not to give it 5 stars is because the rear sight is a little loose. I can slide it about 3mm each way with my thumb. I'll see how much it floats during use and swap it if I have to.
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LF-19 slide
Perfect fit, form, function. I only wish it came with an option to upgrade the sights so I didn’t have to buy a sight tool.