Best Ammo for SIG Sauer P229 The best ammo for SIG Sauer P229 depends on the exact P229 model, its chambering, the manufacturer’s specifications, and the intended application. The SIG Sauer P229 is a metal-framed semiautomatic pistol offered in multiple configurations and chamberings, including 9mm, .40 S&W, and .357 SIG. Because these cartridges are not […]