Only 10-15 mags through the gun. No problems at all. Comes with 3 mags, loader, clam shel . $650 OBO FTF Gresham Fred Meyer or will trade for the right deal, but trade value needs to be higher than my asking price. Trades, trades plus cash considered Kel-Tek Sub-2000 Glock version 9mm Winchester 1300 complete factory built 18 inch free floated upper receiver stripped lowers Gen 3 or 4 Glock 9mm others considered 9mm, 38/357, 5.56, 22lr, 12 ga, 308, 30-06 and 30-30 are the only calibers considered.