This 9/40/357 Full Size Medium Grip Module from Sig Sauer (brand part no. GRIP-MOD-F-943-M-BLK) is a full-size grip module for Sig Sauer’s modular P250/P320 platform, sized for the shared 9mm/.40 S&W/.357 SIG bore class, with a medium backstrap and black finish. Note: Schaefer Defense’s source catalog data lists a conflicting model field for this SKU; this listing follows the full-size designation confirmed by both the product name and the manufacturer part number.

Key Specifications

• Sized as the Full Size frame for Sig Sauer’s modular P250/P320 platform.
• Fits the shared 9mm/.40 S&W/.357 SIG bore class.
• Built with a medium backstrap.
• Finished in black.

Frequently Asked Questions

Which calibers does this grip module work with? 9mm, .40 S&W, and .357 SIG, which share the same slide and grip module dimensions.

What size is this module? Full size, with a medium backstrap.

Buy the Full Size Grip Module

Build out a full-size P250/P320 in 9mm, .40, or .357 SIG with this grip module from Sig Sauer. Order it from our Lubbock, Texas gun shop, and check our handgun frames selection for more handgun frames.