First Look: New SIG Sauer Upgrades for the P320

posted on April 12, 2021

The groundbreaking  modularity of the SIG Sauer P320 allows it unmatched adaptability, and the P320 platform also forms the basis of the military’s M17 and M18 handguns. Now SIG Sauer is rolling out a number of new upgrades and add-on accessories for their popular and successful P320 series of pistols.

The newly developed AXG metal grip module for the 320 adds weight to the gun, replicating the balance and shootability of a metal framed pistol. The module is precision machined with deep undercuts and an extended beavertail for an ergonomic, comfortable fit.

SIG Sauer also has a wide selection of slide assemblies for your P320, including the optic-ready Pro-Cut Slides which feature stylized relief cuts and a red-dot optic, such as the 3.9-inch XSeries Slide Assembly in Coyote Tan with 6 MOA Romeo1Pro (6 MOA), the 4.7-inch XSeries slide assembly in coyote tan with Romeo1Pro (6 MOA), the 4.7-inch XSeries slide assembly in black with Romeo1Pro optic (6 MOA) and the 3.9-inch Compact slide assembly with Romeo1 (3 MOA) dot.

The P320 XFIVE TXG Caliber X-Change Kit increases the weight of your pistol due to its innovative TXG tungsten-infused grip module. This design gives the shooter the weight of steel and the flex of polymer, which can reduce muzzle flip by up to 50 percent. The grip module also has a removable magwell and grip weight, Romeo1Pro optic-ready slide, 5-inch bull barrel, and Dawson Precision fiber optic adjustable sights, making this kit an excellent choice for the competition shooter.

If those aren’t enough upgrades, the patented design of the P320 Fire Control Unit (FCU) allows you to build your dream pistol from the ground up. The Custom Works FCU lets you create like never before. With countless options and almost endless possibilities, you can get a P320 that is literally tailored to your exact needs.


handgun with red dot sight
handgun with red dot sight

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