The Glock 35 Gen4 MOS is the long-slide competition .40 S&W Glock with MOS optic cut. The G35 mirrors the G34's competition role in .40 S&W — 5.32-inch barrel, lightened slide — for IPSC Standard division competitors using .40 S&W for major power factor. Gen4 improvements include interchangeable backstraps and dual recoil spring. Less common as .40 S&W competition use has declined. Type: Pistol Action: Striker-Fired Caliber: .40 S&W Capacity: 15 Year introduced: 2013, Austria Weight: 24.52 oz Overall length: 8.74" Status: Active Intended use: competition, target