First of all,this Glock 17 Gen 4 (Purchase Glock 17- for sale-cheap handguns for sale) in the legendary .45 caliber offers excellent out-of-the- box precision paired with the ballistic quality of a genuine big-bore caliber. The Glock pistol is a series of polymer–framed, short recoil-operated, locked-breech semi-automatic pistols designed and produced by Austrian Glock Ges.m.b.H.. It entered Austrian military and police service by 1982 after it was the top performer in reliability and safety tests.[5] Gen3 models come with two 10-round magazines.Gen4 models come with three 10-round magazines. zfirearms.com/ EMAIL..........johnsonhobbs55@gmail.com WhatsAPP......+1 (317) 893-8476