Rock Island Armory Stk100 Std 9mm 4.5" 17-Round Pistol

The Armscor Rock Island Armory STK100 Standard 9mm is a full-size striker-fired pistol engineered for duty, training, and personal defense applications where reliability and affordability converge. Built by Armscor, a manufacturer with deep roots in military and law enforcement procurement, this 4.5-inch barreled platform delivers the ergonomics and capacity expected of modern tactical pistols without the premium price point.

The 17-round magazine capacity positions it as a serious contender for shooters who prioritize magazine-fed volume and quick reloads in high-round-count training scenarios or professional duty environments. The STK100's striker-fired action is engineered for consistent trigger reset and reliable ignition across commercial and law enforcement ammunition batches—critical for shooters who run diverse duty loads. The 4.5-inch barrel balances sight radius, muzzle velocity, and holster compatibility, making it suitable for both appendix and hip carry without excessive length or velocity loss inherent to shorter platforms.

At approximately 1.5 pounds unloaded, the STK100 maintains a practical weight-to-capacity ratio; the full-size grip frame ensures controls and mag well access are optimized for gloved manipulation and speed reloads. Armscor's quality-control standards, forged through decades of military contracts in the Pacific, ensure consistent lockup and longevity across thousands of rounds. Law enforcement trainers, military personnel, and competitive shooters will find the STK100 to be a reliable and effective choice for their needs.