Description
Swapping out grip modules on your P320 or P250 is one of the smartest things about owning a modular SIG. This full size module gives you a bigger platform than compact models, and the medium profile works well for most hand sizes. Drop your existing fire control unit into this frame and you've essentially got a brand new gun without breaking the bank.
The beauty of the grip module system is flexibility. If you run a compact grip on one of your setups and want something with more real estate for range days or target shooting, this full size frame pairs up with your same FCU to give you a totally different feel and platform. The ergonomic polymer construction is durable and the medium grip provides solid control and comfortable reach to all the controls.
What's Inside the Full Size Medium Grip Module
This is a no-nonsense factory assembly that comes with the magazine catch and release button already installed. Everything's ready to accept your P320 or P250 firing control unit right out of the box. It's precision crafted by SIG which means you're getting the same quality standards they hold for complete firearms.
Caliber Compatibility and Your Setup
Keep in mind that this frame is compatible with 9mm, .40 AUTO, and .357 SIG chamberings, but you'll need the appropriate slide and barrel for whichever caliber you're running. Magazine compatibility can vary depending on your specific setup, so check your mag baseplates if you're switching from a different frame size. Black polymer construction resists wear and gives a clean, professional look.
Key Specifications
- Manufacturer: SIG SAUER
- Model: GRIP-MOD-F-943-M-BLK
- MPN: GRIP-MOD-F-943-M-BLK
- UPC: 798681519484
- Caliber: 9mm, .40 AUTO, .357 SIG
- Fits: SIG P320 or P250 Fire Control Unit
- Frame Size: Full Size
- Grip Size: Medium
- Color: Black
- Material: Polymer
- Magazine Catch: Installed
- Accessory Rail: Picatinny
What’s Included
- Full size grip module assembly
- Magazine catch installed
- Release button installed
Frequently Asked Questions
Can I use this full size grip module with my P250?
Yes, this OEM SIG grip module is designed to work with both P320 and P250 fire control units. The modular design lets you drop your FCU right into the frame. You'll need the matching slide and barrel for your caliber, and you may want to check your magazine compatibility depending on what frame you're coming from.
What calibers does this grip module support?
This module supports 9mm, .40 AUTO, and .357 SIG. You'll need to use the corresponding slide and barrel assembly for whichever caliber you want to shoot. The grip module itself is universal across these three calibers.
Do I need to buy anything else to use this grip module?
You'll need your existing P320 or P250 fire control unit and the appropriate slide and barrel for your desired caliber. If you're switching from a smaller frame, double-check your magazine compatibility as some older mags may need new baseplates to fit this full size module properly.
What's the difference between the small, medium, and large grip modules?
The three sizes let you dial in your gun to your hand size. Medium is the sweet spot for most people and offers a comfortable grip circumference without being too big or too small. If your hands run large, go with the large module. Small is for those who prefer a more compact feel even in a full size frame.





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