Rock Island STK100 9mm 4.5 in Pistol, Black, 17rd

About this product

The Rock Island Armory STK100 is a full-size, striker-fired 9mm pistol built on an aluminum frame with an integrated aluminum grip. It features a 4.5-inch barrel and an optics-ready rear cover plate for modern sighting options. The frame includes a Picatinny accessory rail and a beavertail for improved control. The textured grip is angled for enhanced purchase and reduced felt recoil for follow-up shots.

Key Specifications

• The caliber is 9mm Luger.
• The barrel measures 4.5 inches.
• The action is semi-automatic (striker-fired).
• The frame and integrated grip are made of aluminum.
• The frame finish is black anodized.
• The slide finish is parkerized.
• The overall length is 7.91 inches.
• The weight is 28.8 oz.
• Included is 1 magazine.
• The sights are front tenon-cut with retaining screw and fixed rear integrated on the optic cover plate.

With a metal-frame design, optics-ready capability, and practical features like the accessory rail and beavertail, the STK100 is suited to range use, duty-style carry, and general-purpose handgun applications. Its aluminum grip and textured profile are intended to improve control and manage recoil while remaining comfortable for extended handling.

Related Videos: