Description
SCT Manufacturing set out to make frame building more approachable, and the 43X stripped frame is a big part of that. It's a subcompact polymer frame cut to accept Glock 43X and 48 components, finished in a clean Sniper Gray tone that pairs nicely with just about any slide you throw on it. This is a bare frame with the locking block included, so it's meant for folks assembling a build with a parts kit and slide rather than something you drop rounds into out of the box.
What Sets the SCT 43X Frame Apart
The grip is where this frame earns its keep. It uses an advanced contour with genuinely aggressive texturing and a thumb accelerator pad, so your hand locks in without a lot of fuss. The grip angle matches Glock, which means muscle memory carries right over if you're coming from a factory gun. Add the extended beavertail with a low bore axis and you get a frame that sits low and controls recoil noticeably better than the stock 43X grip.
Building on the SCT Sniper Gray Frame
Underneath the polymer are polished stainless steel over-molded rails, giving you a solid foundation for a smooth-cycling build. The rest of the feature list reads like a wish list of practical touches: serrations and an index point on the trigger guard, a larger trigger guard that leaves room for gloves, a flared magwell for faster reloads, an ambidextrous mag release, a slide stop guard, and a modified factory Picatinny rail with an extra mounting slot for lights and lasers.
Builders have had good luck swapping their existing 43X internals straight into this frame, and it's a popular pick for anyone who wants the SIG-thin single-stack format with better ergonomics. If you're new to frame assembly, plan to follow a good build guide or have a gunsmith handle the fitment so everything runs the way it should.
Key Specifications
- Manufacturer: SCT Manufacturing
- Manufacturer Part Number: 0225020100IC
- UPC: 850055982222
- Model: 43X Sub Compact (SCT SC)
- Style: Stripped Frame
- Compatibility: Glock 43X and 48 components
- Frame Material: Proprietary polymer blend
- Rails: Polished stainless steel over-molded
- Finish: Sniper Gray
- Grip: Advanced contour with aggressive texturing and thumb accelerator pad
- Mag Release: Ambidextrous
- Magwell: Flared
- Rail: Modified factory Picatinny with additional mounting slot
- Grip Angle: Same as Glock
- Overall Length: 7 inches
What’s Included
- SCT 43X stripped polymer frame (Sniper Gray)
- Locking block
Frequently Asked Questions
What parts do I need to complete the SCT 43X frame?
Since this is a stripped frame, you'll need a Glock 43X/48 compatible lower parts kit and a slide assembly to finish the build. The frame ships with the locking block already included, so that's one piece you won't have to source. Many builders reuse the internals from an existing 43X, which drops right in.
Is the SCT 43X frame compatible with Glock 43X and 48 magazines?
Yes, the frame is designed to work with Glock 43X and 48 components, and it accepts the standard single-stack magazines for those models. The flared magwell and recessed mag release area are there to speed up your reloads. It uses the same grip angle as Glock, so the feel stays familiar.
Does this frame have a rail for a light or laser?
It does. The frame carries a modified factory Picatinny rail with an additional mounting slot, giving you room to mount a compact weapon light or laser. That's a nice touch on a subcompact this size, where rail space can be tight.
How does the grip compare to the factory Glock 43X grip?
The SCT 43X grip is noticeably more aggressive than the stock texturing, with an advanced contour and a thumb accelerator pad for a more locked-in hold. The extended beavertail and low bore axis help tame recoil and keep the gun sitting low in your hand. Builders consistently point out it feels better and holds tighter than the original.





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