The Pearce Grip PG-365X is a grip extension engineered for the Sig P365X and P365XL (10-round and 12-round magazines), replacing the factory magazine base plate to add approximately 1/2-inch of additional gripping surface for a steadier, more comfortable hold.

Key Specifications

• Built by Pearce Grips specifically to fit the Sig P365X and P365XL (10-round and 12-round magazines).
• Directly replaces the factory magazine base plate for a clean, no-gunsmithing installation.
• Adds approximately 1/2-inch of additional gripping surface without altering the magazine’s rated capacity.
• Molded from durable black polymer that stands up to daily carry and range use.
• It is also compatible with the Wilson Combat grip module and is built from high-impact polymer rated for drop tests from -20 F to 250 F.
• Retains the factory texture pattern for a seamless, factory-look fit.
• Ships as a single drop-in replacement part, ready to install at home.
• Part of Pearce Grips’ line of drop-in magazine ergonomics upgrades.
• Measures approximately 4.2 inches in overall length once installed.
• Ships at a shipping weight of about 0.035 lb, light enough to carry as a spare.

Frequently Asked Questions

Does this grip extension increase magazine capacity? No. This extension replaces the factory base plate and adds gripping surface only; it does not change the magazine’s rated round count.

Will it fit other Sig P365X variants? Fitment is limited to the models listed in the specifications above; always confirm against your specific pistol and magazine before ordering.

Buy the Pearce Grip Extension for Sig P365X and P365XL (10-round and 12-round magazines)

Ships fast from a Lubbock, TX gun shop on the Pearce Grip Extension for Sig P365X and P365XL (10-round and 12-round magazines) from Pearce Grips, part of our Handgun Parts selection. Add it to your carry setup for a steadier, more confident grip.