That little "dent" is normal. The firing pin on the AR rifle is free floating ( no return spring) and inertia as the bolt slams shut causes it to lightly strike the primer but never enough to make it fire. Take the bolt apart as you would for cleaning and
0
Anonymous
Answered
Briam - Have you by chance installed an aftermarket trigger group, or lighter weight springs in your factory trigger group? Have you installed a different firing pin? Is this with all types of ammo or just one type? Is this happening every round, or just
0
Anonymous
Answered
Briam, I would take down, clean your Bolt Carrier Group including the firing pin & channel, lightly lube and see if this resolves the issue. You can also contact Del-ton to see what they say on the issue as well at 910-645-2172 or by email inquiry here :
