Black MKII Slide For Glock 23 (Gen 1-4)
100% Made in America!
Include a very cool looking Optic Cover Plate(worth $29 if purchase separately).
BLACK MKII RMR-CUT SLIDE FOR GLOCK 23 — .40 S&W — COMPATIBLE WITH GEN 1–4
The MKII Glock 23 slide combines lightweight construction, aggressive styling, and functional machining. It is 100% made in the USA from heat-treated 416 stainless steel for optimal strength and durability.
Front and rear serrations, together with gripping dimples positioned at approximately 10 and 2 o’clock, provide secure gripping surfaces for slide manipulation using either fine or gross motor movements. Aggressive cuts and angles, including a left-side window above the barrel lug, reduce weight and help balance the slide.
At approximately 8.8 ounces, this MKII slide is about 22% lighter than our standard-cut slides. The 416 stainless steel is heat-treated to 42–44 HRC for an optimal combination of strength, durability, and wear resistance.
IMPORTANT GEN 4 COMPATIBILITY NOTICE:
This MKII slide is compatible with Glock 23 Gen 1, Gen 2, and Gen 3 frames. It is also machined to fit a Glock 23 Gen 4 frame.
However, this slide uses Gen 3-compatible internal slide components and a Gen 3-style recoil spring/guide rod. A Gen 3 recoil spring/guide rod is included for buyers installing this slide on a Gen 4 frame.
A complete Gen 3 upper slide parts kit is not included.
This slide is not compatible with Glock Gen 5 frames.
GEN 4 FRAME FEATURES:
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Machined for compatibility with Glock 23 Gen 4 frames
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Includes a Gen 3 recoil spring/guide rod for Gen 4 installation
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Uses a Gen 3-compatible upper slide parts kit
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Right side features a recessed edge to accommodate a compatible ambidextrous slide release
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Accepts an ambidextrous slide release when installed on a compatible frame
PRODUCT SPECS:
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Caliber: .40 S&W
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Overall Length: 6.74 inches
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Weight: 8.8 ounces
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Material: 416 stainless steel
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Heat Treatment: 42–44 HRC
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Compatible Model: Glock 23
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Frame Compatibility: Gen 1, Gen 2, Gen 3, and Gen 4
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Internal Parts Compatibility: Gen 3-style upper slide parts
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Recoil System: Gen 3-style recoil spring/guide rod
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Optic Cut: Trijicon RMR footprint
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Optic Retention Threads: 6-32
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Sight Cuts: Standard Glock-pattern front and rear sight cuts
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Finish: Black H-190 Cerakote or black nitride
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SKU/MPN: GEN4-G23-SLIDE-MKII-BLACK
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Country of Manufacture: USA
PRODUCT FEATURES:
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Lightweight MKII design
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Approximately 22% lighter than our standard-cut slides
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Aggressive machined cuts and angles
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Left-side window above the barrel lug for improved slide balance
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Front and rear slide serrations
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Additional gripping dimples at approximately the 10 and 2 o’clock positions
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Precision-machined Trijicon RMR optic cut
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Standard Glock-pattern front and rear sight cuts
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Fits Glock 23 Gen 1, Gen 2, and Gen 3 frames
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Fits Glock 23 Gen 4 frames when assembled with Gen 3-compatible upper slide components
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Includes a Gen 3 recoil spring/guide rod for Gen 4 installation
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Heat-treated 416 stainless-steel construction
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Durable black finish
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Includes a stylish optic cover plate—a $29 value if purchased separately
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Made in the USA
OPTIC COMPATIBILITY:
The slide is precision-machined for the Trijicon RMR footprint with 6-32 threaded optic-retention holes. It is compatible with:
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ADE RD3-031 HELIOS closed-emitter red-dot sight
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ADE RD3-019 Stingray
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ADE RD3-020 Raptor
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ADE RD3-023 Valkyrie Gen 2
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ADE RD3-029 Trumpet
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Trijicon RMR and SRO
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Holosun 407C, 507C, and 508T
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Other red-dot sights using the same RMR footprint
WHAT IS INCLUDED:
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One Glock 23 MKII RMR-cut stripped slide
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One optic cover plate—a $29 value
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Cover plate mounting screws
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One Gen 3 recoil spring/guide rod
PLEASE NOTE:
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This is a stripped slide, not a complete slide assembly.
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A complete Gen 3 upper slide parts kit is not included.
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The barrel, sights, and red-dot sight are not included.
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Gen 4 installation requires Gen 3-compatible upper slide components and the included Gen 3 recoil spring/guide rod.
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This slide is not compatible with Glock Gen 5 frames.
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Professional installation or installation by a qualified gunsmith is recommended.
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Verify proper fit and safe operation before use.
OPTIC INSTALLATION:
Use the correct-length mounting screws for your specific optic. Tighten the optic mounting screws to the optic manufacturer’s recommended torque specification. Applying one small drop of blue removable threadlocker is recommended.
Because aftermarket frames, barrels, internal components, sights, and optics may have different manufacturing tolerances, minor fitting may occasionally be required.
18 Reviews Hide Reviews Show Reviews
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Good enough
Not many options for model 26. Only problem has been that there were burrs left where the barrel locks up to the slide. I now have three lines in my barrel going the direction of the slide front to back. The burrs are hard to fix in their location. The finish is beautiful and I like how it looks just not the gauges in my barrel.
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Pretty Nice for the Price
The slide looks to be well-made, although a little squared/angular in design compared to the original Glock slide. The finish is nice, and all of the parts including the firing pin and extractor fit nicely into the slide. The fit was a little tight on the Glock pistol frame, but I would expect it to loosen up with some lubrication after a few rounds have been fired (I have not yet fired the pistol with this slide). I have not yet ordered an RMR sight, so I cannot comment on the fitup other than the cover plate is as expected. Overall, not a bad deal considering you'll pay the same price or more to have your factory Glock slide machined and refinished. I'm excited to get a sight on this thing and take it to the range!
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easy upgrade for glock
Wanted to update my 20 year old G26. This did the trick without breaking the bank. Love this old gun again. Ran flawlessly with my 9mm conversion barrels and my KKM match grade .40 cal barrel. I would recommend this slide.
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easy upgrade
Wanted to update my 20 year old G26. This did the trick without breaking the bank. Love this old gun again. Ran flawlessly with my 9mm conversion barrels and my KKM match grade .40 cal barrel. I would recommend this slide.
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Glock 26 slide
It has a very nice finish fit is good as well functions as it should need to shoot it some more to see how it does will keep you posted
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Great slide
Well made, nice slide at a great price. Works well with a ported barrel.
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Good product
I bought a couple before this. It's easy to install the upk kit and it runs smoothly on multiple lower frame that I have.
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Sweet Slide
I picked this for its affordability, and it looks awesome too. I really enjoyed the fun project that this has become. Color contrasts make my G23 stand out.
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Great deal and quality
I only have about 50 rnds through it, so far I’ve had no problems with the slide itself. I ran about 30 rounds of 9mm and then 20 rounds of 357 sig. the 1 and only thing I could say about this which might not be fault to LFA would be that bear cream arsenal barrels have to be slightly pushed into the slide. It catches on the reloading lug on the slide. No much of an issue to me. The barrels fit in nice and snug and functions reliably
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Nice slide from ade
Fit and finish is awesome! Fun to have 40SW option for my G23 frame. Great deal too! I haven't got to test it yet. But my other Live Free Armory slides work fantastic so I have no doubt this one will too. Just waiting for chance to test it out. Thanks again OP!
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Clean machining.
It works, looks pretty. Cheaper to buy a slide than have my old gen 3 cut for optics. The front cuts provide a nice grip while racking. I had to chase the depressor plunger hole with a 11/32 drill to clear a burr from the optics mount threading, but that was it.the glock upper parts all fit well after that. The channel liner slid in easily.
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Great value slide
Fit and finish are outstanding, as good as any I have used at twice the price. It's a basic slide. But very functional I highly recommend this slide
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Quality slide for the price....
Nice grip on the serrations, I added some Trijicon night sights and about to add a Swapfox Kingslayer very soon, I really like the ports, the only complaint I have is that the top port is cut real close to the front sight and the length of the sight hangs over the port cutout by a little, it really does not affect the performance of the sight only if it was cut a little further back it would be spot on. Besides that, it is a quality slide.
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Awesome slide
The slide fits perfectly for the polymer frame I had also purchased. Nicely designed and no trouble installing it on the frame. I wanted a black frame but tan was the only color available at the time, which is ok since I have a tan frame. Delivery time was sooner than I expected. Will buy again soon.
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Works Great, looks great
Slide fit and worked perfectly with my g19 80% build. Looks better than the standard glock slide too IMO. Had no issues with it so far. Wish I would’ve gotten this slide for my g17 build as well. Get it and have no regrets.
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Great Quality Slide
This is a great quality slide and as other reviewers have mentioned it comes with the channel liner for the striker installed. The finished is excellent and the over all appearance is really good. I installed the Trybe Defense slide kit and I will be installing the Trijicon Suppressor High Sights to Co-Witness with my Holoson HS507C Optic. The mounting screws that are included with the slide do not fit the Holoson and I will use the screws included with the optic. A nice feature is this slide comes with the RMR cut out plate installed.
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Great slide
This slide functions great, looks great, also comes with a channel liner already installed. I may end up buying anouther, I would definitely recommend this product for a replacement or for a p80 build.
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well made slide
Very nice and well made slide. The machining is very precise and fits perfectly on my glock 19 frame. The serration cuts on the side make it easy to grip when racking the slide. The FDE cerakote is also very nice. Would recommend overall and reasonable price
