Springfield Armory Echelon 4.5F Low Capacity Optic Ready Gear Pac 9mm Luger 4.5in Black Melonite Pistol - 10+1 Rounds - Built around a robust stainless steel chassis, the Echelon Comp 9mm handgun features an integral compensator with a single port on the hammer-forged slide and barrel, reducing muzzle rise for faster, more accurate follow-up shots. The revolutionary optics mounting system offers unparalleled adaptability with today's most respected red dot sights, while fully ambidextrous controls and interchangeable backstraps accommodate a broad range of shooters. The Low Capacity Echelon Comp comes with 10-round magazines for those in restricted states. Features: 1:10in Twist ; Low Capacity, State Compliant, 10-Round Magazines ; Ported Hammer Forged Steel Barrel; White-Dot Front / Tactical Rack U-Dot Rear Sights; Billet Machined Slide; Integral Compensator; Black Polymer Frame with Medium Grip Module; Captive Recoil System; Gear Pac includes : Viridian RFX11 Green Dot Optic; Four magazines; Pistol bag;