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Dropping a Gen3 slide onto a Gen4 or Gen5 frame sounds simple, and mechanically it works, but anyone who has done it knows there is an ugly gap left over at the front where the frame meets the slide. That open space also lets the frame flex a bit, which is not something you want long term. The Strike Industries Slide Adapter Plate fills that void with a clean piece of black steel that snaps into place and makes the whole thing look and feel like it was meant to fit together.
This is the MDC version, part number SI-G-SAP-MDC, which is designed for pistols running a Strike Industries Mass Driver Comp. It handles the fitment so you can pull from the huge pool of aftermarket Gen3 slides out there without being boxed in by generation compatibility. If you have been eyeing a slide that only comes in a Gen3 cut, this little plate is what opens that door.
Beyond looks, the real job here is protecting your frame. Left unchecked, movement from the Gen3 recoil spring assembly can work against a Gen4 or Gen5 frame over time. The adapter plate locks things down so nothing shifts where it shouldn't, keeping your build tight and your frame happy.
Installation is about as quick as it gets. The plate seats in seconds with no gunsmithing required for most Gen4 setups, and you are back to the range. Keep in mind that when running a Gen3 slide, the rear slide plate needs to be swapped to an OEM Gen5 plate or the SI PolyFlex plate. It is a tiny detail that saves you a headache down the road.
For folks piecing together a custom Glock, this is one of those cheap, smart parts that quietly solves a real problem. It weighs next to nothing, looks sharp, and does exactly what it promises without any fuss.
It lets you run a Gen3 Glock slide on a Gen4 or Gen5 frame without the gap and frame flex that combo normally leaves behind. The plate fills that space so the slide and frame sit together cleanly. It also helps keep the Gen3 recoil spring assembly from moving around and stressing your frame over time.
Yes. This is the MDC variant, part number SI-G-SAP-MDC, built for setups running a Strike Industries Mass Driver Comp. The comp itself is not included, so you will want to have that on hand if that is your build.
When running a Gen3 slide, you'll need to swap the rear slide plate to an OEM Gen5 plate or the SI PolyFlex plate, which is Gen5 based. It is a quick, inexpensive change but an important one for proper fitment. Everything else usually seats right in.
Not at all for most Gen4 setups. The plate drops into place in seconds with no gunsmithing needed. Full-size Gen5 frame conversions can be more involved and may call for the right barrel and recoil spring combination, so plan accordingly if that is your setup.
| UPC | 793811763973 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SI-G-SAP-MDC |
| Model |
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