Sig Sauer Model P320 Custom

Updated August 7, 2026

R Serial # FCU377152. 9mm Luger caliber semi auto striker fired pistol with a 4-1/2” barrel. The bore is excellent, clean with strong rifling. The pistol was custom built on a Sig X-5 grip module. The pistol features a Sig P320 custom fire control unit, P320 Pro optics ready slide with X-Ray day/night sights, A Harrington Arms compensator, a Harrington Arms guide rod assembly and an Align Tactical take-down lever. 21 round detachable magazine. The matte black finish on the steel slide is in excellent condition showing little wear. The polymer frame with integral stippled grips and an accessory rail is in excellent condition as well. The action functions fine. Includes Sig Romeo red dot sight, a Surefire X300 Turbo light, a spare 21 round magazine, the original take-down lever, extra recoil springs and the boxes for all the components.

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