Upper/Conv Kits-High Cap

Sig Sauer

Sig Sauer P365X Macro X-Change Kit in 9mm with Integrated Compensator Slide

Sig Sauer

Sig Sauer P320-X5 9mm Conversion Kit with Fiber Optic Sights, 17 Rounds - Gray

Sig Sauer

Sig Sauer P320 M18 Conversion Kit with 21-Round Capacity and Coyote Finish

Sig Sauer

Sig Sauer P320 M17 Conversion Kit with Coyote Finish and 21-Round Capacity