The SIG SAUER(R) P211 GT4 is a single-action-only 9mm pistol with a 4.2-inch target-crowned bull barrel. Its carry-length steel frame and alloy grip module with G10 panels combine with a black Nitron slide and SIG-LOC PRO optics interface.Key Features:Barrel: 4.2-inch bull barrel with a target crown.Capacity: 10+1 rounds with three included 10-round steel magazines.Sights: X-RAY3 day/night front sight and fixed black rear sight.Trigger: Straight-pull skeletonized flat-blade trigger.Controls: Ambidextrous controls and a removable low-profile steel magwell.Accessory Mounting: SIG-LOC PRO optics-ready slide and Picatinny accessory rail.SIG SAUER(R) produces firearms with a strong emphasis on modern engineering modularity and duty grade performance across its catalog. The brand is widely known for handguns rifles optics and related products developed for military law enforcement defensive and sporting applications. SIG Sauer(R) products are recognized for durable construction practical innovation and broad platform support across a wide range of configurations.