Just got back from the range with my new AR-15, with mixed feelings. The first round in the gun didn't fire, the primer was dimpled, but not significantly. Second round fired, third fired then didn't extract from the chamber.
I ended up having many rounds not fire, and a number of rounds not extracting. I took apart the bolt and cleaned off the "factory" grease, oiled and reassembled. The extraction/jamming problem was fixed, but the gun still failed to fire about 1/3 of the time.
The ammo is new Hornady from Cabela's, not suspecting the rounds.
When an AR firing pin makes contact with the primer, but fails to fire, is that a firing pin problem or a trigger spring issue? The hammer seems to impact hard, making me think the pin is a hair short. Is this common?
My wife is outta town with my digital camera or I'd post pics of the failed rounds as well as pics of rounds that discharged.
I ran most of the rounds that didn't fire back through the gun and most fired eventually. Only a couple never fired.
Could this be a chamber problem?
I ended up having many rounds not fire, and a number of rounds not extracting. I took apart the bolt and cleaned off the "factory" grease, oiled and reassembled. The extraction/jamming problem was fixed, but the gun still failed to fire about 1/3 of the time.
The ammo is new Hornady from Cabela's, not suspecting the rounds.
When an AR firing pin makes contact with the primer, but fails to fire, is that a firing pin problem or a trigger spring issue? The hammer seems to impact hard, making me think the pin is a hair short. Is this common?
My wife is outta town with my digital camera or I'd post pics of the failed rounds as well as pics of rounds that discharged.
I ran most of the rounds that didn't fire back through the gun and most fired eventually. Only a couple never fired.
Could this be a chamber problem?