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 Echelon Comp includes both a 17-round and a 20-round magazine for added versatility. Specifications and Features: Caliber: 9mm Color: Black Barrel: Ported 4.5" Hammer Forged Steel, MeloniteA(R) Finish, 1:10 Slide: Billet Machined, Melonite Finish, Optics Ready, Integral Compensator Frame: Black Polymer, Medium Grip Module Sights: White-Dot Front, Tactical Rack U-Dot Rear, ViridianA(R) RFX11 Green Dot Recoil System: Captive Grip Width: 1.2" Magazines: (3) 17-Round, (1) 20-Round Weight: 23.9 oz w/ Flush Mag, 24.3 oz w/ Extended Mag Length: 8" Height: 5.5" w/ Flush Mag, 6.5" w/ Extended Mag