1 Gun 3 Calibers Sig Sauer P226 40 S&W 357 SIG & 9MM Luger | @MagicPrepper
This guide details how to convert a Sig Sauer P226 pistol between .40 S&W, .357 SIG, and 9mm Luger calibers. The .357 SIG conversion primarily requires a barrel swap, reusing the existing recoil spring. The 9mm conversion necessitates a new barrel, recoil spring, and magazine.











