[deerfieldredneck]

maybe you guys in the gunsmithing department can figure it out.]so the other day i decided to sight in my new american 270,(never been shot)and out of 30rds i had 4 lock up the bolt after the shot,im using winchester ballestic silver tip and power max bonded.also you can not close the bolt on shot brass,it cuts the lip at the side next to the primer,and leaves the polished ring around the casing.

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[deerfieldredneck]

thanks for the input,i only use factory ammo,i had it lock up on me on 3 kinds of ammo winchester powermax bonded.ballestic silver point,and hornady.i sent it back to ruger and they gave me replacement gun.