Product Description
MDX G19 Series One Slide Kit – Custom CNC Precision | RMR Ready
“This Slide Bites.”
Engineered exclusively by MDX Arms, the Series One Slide features bold design, aggressive serrations, and functional performance upgrades that set it apart. Whether you’re finishing a Polymer80 or Glock Gen3 build, this kit brings uncompromising quality and head-turning style.
Processing Time: 1–4 Business Days
Excludes weekends and holidays
Slide Kit Includes:
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MDX G19 Series One 9mm Slide
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Machined from AZT 17-4PH Billet Stainless Steel
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Heat treated to Rockwell C 36–40
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Black Oxide finish for corrosion and wear resistance
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Enhanced Deep Scallop (EDS) 60° front and rear serrations
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Outlined Top Port & Side Windows for weight reduction and aggressive styling
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45° chamfered top edges for better draw feel
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RMR Optic Cut
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Milled to .125” depth
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6-32 thread pitch
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Includes front alignment recoil posts
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Compatible with Trijicon RMR/SRO, Holosun 507C/508C, Swampfox, and more
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RMR Plate Included Free
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Polymer Front & Rear Sights – Installed
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Complete Slide Parts Kit
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Includes all upper internal components
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Guide rod included
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Channel liner pre-installed
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G19 Match-Grade Drop-In Barrel
- Made in the USA
Compatibility:
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GLOCK® G19 Gen1–3
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Polymer80 PF940CV1
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Strike80 Compact Frames
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GST-9 Modular 80% Frames
Optional Add-On:
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Lower Parts Kit (LPK)
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Choose MDX Glock-Compatible LPK or P80 LPK (availability may vary)
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⚠️ Items shown in gray are currently out of stock
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
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Ok slide, great service
I purchased this kit and with a few minor upgrades it has fired a few hundred rounds. Not the nicest slide design out there, but for the price I can't complain. I do have to say the service from MDX has been excellent! One of the rmr plate screws worked out and was lost at the range. I emailed MDX looking to purchase a replacement on saturday. On Sunday I received a reply that they would send a pair at no charge. Today is Wednesday... they have arrived and are installed(with loctite this time). Thank you MDX!!
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Great product and fit my frame with no modifications.
Great looking slide and everything fit nicely.
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Complete slide
Awesome product Awesome price
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Excellent machinery / customer service 5/5
By far probably some of the best customer service anyone could ever experience, right here at MDX. Had a few minor issues that were solved in less than 48 hrs. Could not recommend this company more than I already do, it may end up a crime aswell as questioning '81mil'
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By far one of the best aftermarket
Machine job is par none on this slide. Serrations are just slanted enough and deep enough it doesn't eat your fingers up when fixing malfunction or just chambering some freedom. Got mine on sale a while back and has been my main EDC slide since. Has OEM factory U style glock sights. Would highly recommend and if there are problems Hendrix will get you squared away. They have impeccable and unmatched customer service IMO. These guys/gals are a solid company.
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High-end slide cheap components.
We could go on for hours about the detail they put into their slide on the S1! Great product! But if you’re buying this complete kit to save money. Well I did and after I got it. Ended up replacing the barrel the guide rod spring and put it enhancement trigger kit which replaces the springs on the firing pin and the plunger safety on the upper slide by TTI. I replaced the guide rod spring and guide rod for two reasons. One the guide rods polyurethane. Two the spring on it was too big it was like for a Glock 17 instead of 19. Crunched Way down on a 19 guide rod. That had to go! I am sure MDX arms would’ve replaced it with the correct one. But I wanted stainless steel TIN coated . 30.00. Then the rifling on the barrel is barely there. So then I purchased a match grade barrel in TIN $200.00. I did however use the MDX upper slide kit but replaced all the springs with TTI 50.00. It was my fault I should’ve ordered a stripped slide. But I didn’t know I would change all the parts out anyway. In my opinion I would like to see better Craftsmanship for the barrel and they Could use an upgrade in the guide rod department. The Reason for 4 out 5 stars But like I said besides the components. The slide is amazing looks great! Also if you’re trying to save money and not do a custom build. I’m sure the MDX parts would work for a firearm. it’s just all stuff you would probably upgrade down the road. I would recommend this slide however and would purchase it again as a Stripped slide!
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Shipped fast, and shoots great!
The kit shipped much quicker than other sites I've purchased kits from. Showed up a day earlier than the tracking ETA (sweet bonus). I assembled the slide in a few minutes, and hit the range. Shot super flat with the ported barrel. Groups were tight. Very happy with the purchase, will be buying more of these kits soon.
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Best deal
Looks good and functional good deal for the price
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RMR Cut build G-19 no frame
Great product I recieved the wrong LPK for my G-19. The process for this error was taken care of efficiently and respectfully I will totally buy more products from MDX for years to come. Good customer service.
