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Glock Note where the slide contacts the frame. Normal frame wear. This frame is damaged due to excessive impact force from the slide because of a weak recoil spring. MAIntenAnce n 2004, while attendnouncing .40-caliber Glocks ing the Glock armorer should have the recoil spring school, I asked if they ofassembly changed every fered a spring kit for on2,000 to 3,000 rounds, degoing maintenance. I was This is the Glock’s captured recoil spring assembly. pending upon the model. And concerned because I’d expe- Change it every 2,000 to 3,000 rounds. for the Model 22, every 2,500 rienced spring failures previrounds; the Model 23, every ously in another manufacturers’ semi-auto. The instructor said 2,000 rounds; the Model 27, every 3,000 rounds, and the Model they didn’t offer such a kit, but not to worry — when the gun 35, every 2,500 rounds. While many departments subscribe to breaks, just fix it. Then in 2008, while attending a recertifica- this practice, others don’t — and I’ve personally serviced many tion course that advice had changed; Glock advocated chang- law enforcement guns, which were on the verge of failure. ing the recoil spring assembly every 3,000 rounds to prevent damage to the gun and ensure reliability. The instructor also recommended armorers inspect and Specifics clean the gun and magazines yearly as part of a maintenance I received the pictured Glock 22 from an officer who told me program. In 2009, Glock updated their recommendations an- he’d bought it new and had fired about 6,000 rounds through it 42 WWW.AMERICANCOPMAGAZINE.COM • NOVEMBER/DECEMBER 2011 Dave Street I Attention to Details