The P320 Full Size is a 9mm striker-fired pistol with a 4.7-inch carbon steel barrel and a 17+1 capacity. It weighs 28.3 ounces and measures 8 inches overall. The slide is cut for a PRO optic footprint, SIGLite night sights sit front and rear, and two 17-round magazines are included. The frame is stainless steel with a full-length accessory rail.

This model suits a shooter who wants a full-size service-style pistol that can carry a red dot and a light, with night sights for low-light use. The two included magazines keep a spare ready for the range or the nightstand. The federal steps for buying a pistol are the same everywhere: a licensed dealer, Form 4473, a background check and a minimum age of 21. About a third of states add a permit, a wait or a capacity limit.

Key features

• 9mm striker-fired, 17+1 capacity
• PRO optic footprint slide
• SIGLite front and rear night sights
• Two 17-round magazines included
• 4.7-inch barrel, 28.3 ounces

This pistol ships to the FFL dealer you choose, where you complete Form 4473 and pass a background check before pickup.