
Availability: In Stock
The Pearce PG365X grip extension is a magazine base plate replacement engineered to improve control and ergonomics on your SIG P365X or P365XL. Designed for shooters who want a better grip purchase on an already compact platform, this accessory adds roughly half an inch of gripping surface to your 10- or 12-round magazines—without changing how many rounds they hold. If you've found the factory base plate too small for a solid grip, or you run the gun in appendix carry or backup role, the extra real estate makes a tangible difference when drawing or reloading under stress.
Built from high-impact polymer, the PG365X is engineered to survive hard use. The material incorporates a texture pattern that matches the frame of your P365X/XL, so it feels like a factory upgrade rather than an aftermarket add-on. Pearce backs the durability with drop-test validation across a wide temperature range—from deep cold (-20°F) to heat (250°F)—so you're covered whether you carry in Minnesota winters or Arizona summers.
Installation is straightforward: the extension simply replaces the magazine's base plate. No modifications to your magazines or firearm required. It's a no-fuss way to gain comfort and control on one of the most popular micro-compact 9mm platforms on the market.
| Compatibility | SIG P365X, SIG P365XL (10- and 12-round magazines) |
| Material | High-impact polymer |
| Grip Extension Length | Approximately 1/2" |
| Temperature Range | -20°F to 250°F |
| Installation | Replaces magazine base plate |
Yes. The PG365X is designed to fit both 10-round P365X magazines and 12-round P365XL magazines. Installation involves replacing the existing base plate with the Pearce extension.
No. The extension adds gripping surface only; magazine capacity remains unchanged.
The extension replaces your magazine's base plate, so installation is straightforward and requires no tools or modifications to your magazines or firearm.
Yes. The high-impact polymer is rated to perform across -20°F to 250°F and has been drop-tested to verify durability in that range.

SKU: 115653334 • Width: 2.7in • Height: 0.6in • Depth: 3.5in • Weight: 0.04oz





Availability: In Stock
The Pearce PG365X grip extension is a magazine base plate replacement engineered to improve control and ergonomics on your SIG P365X or P365XL. Designed for shooters who want a better grip purchase on an already compact platform, this accessory adds roughly half an inch of gripping surface to your 10- or 12-round magazines—without changing how many rounds they hold. If you've found the factory base plate too small for a solid grip, or you run the gun in appendix carry or backup role, the extra real estate makes a tangible difference when drawing or reloading under stress.
Built from high-impact polymer, the PG365X is engineered to survive hard use. The material incorporates a texture pattern that matches the frame of your P365X/XL, so it feels like a factory upgrade rather than an aftermarket add-on. Pearce backs the durability with drop-test validation across a wide temperature range—from deep cold (-20°F) to heat (250°F)—so you're covered whether you carry in Minnesota winters or Arizona summers.
Installation is straightforward: the extension simply replaces the magazine's base plate. No modifications to your magazines or firearm required. It's a no-fuss way to gain comfort and control on one of the most popular micro-compact 9mm platforms on the market.
| Compatibility | SIG P365X, SIG P365XL (10- and 12-round magazines) |
| Material | High-impact polymer |
| Grip Extension Length | Approximately 1/2" |
| Temperature Range | -20°F to 250°F |
| Installation | Replaces magazine base plate |
Yes. The PG365X is designed to fit both 10-round P365X magazines and 12-round P365XL magazines. Installation involves replacing the existing base plate with the Pearce extension.
No. The extension adds gripping surface only; magazine capacity remains unchanged.
The extension replaces your magazine's base plate, so installation is straightforward and requires no tools or modifications to your magazines or firearm.
Yes. The high-impact polymer is rated to perform across -20°F to 250°F and has been drop-tested to verify durability in that range.
SKU: 115653334 • Width: 2.7in • Height: 0.6in • Depth: 3.5in • Weight: 0.04oz
