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Archived [ARCHIVED THREAD] - Primer dimple
Posted: 9/7/2003 7:56:53 AM EDT
What would cause the firing pin to dimple a live round slightly when cycling the action?
I can cycle the action then pull the bolt to the rear ejecting the round to find a dimple in the primer. It shoots fine no other troubles.
the rifle is a Bushmaster Varminter, and factory Winchester ammo.
           Thanks for your time
                O-S

Link Posted: 9/7/2003 10:10:47 AM EDT
[#1]
This is completely normal for a AR!! Since the firing pin is floating with no spring, the intertia of the firing pin will cause the it to hit the primer when a round is chambered. This is why in fact CCI make a primer with a thicker cup for AR type rifles!!
For you info, when I reload I have used standard rifle primers without any problems

Stuart

Link Posted: 9/7/2003 1:32:53 PM EDT
[#2]
Thank's Stuart
I suspected that it was normal , by the way it is built, but i wanted to be sure.
I guess i never took time too look at the primers on unfired rounds before in a AR.
      Thanks again
       O-S

Link Posted: 9/7/2003 5:48:23 PM EDT
[#3]
No problem, I'm glad I could help

Have Fun,
Stuart

Archived [ARCHIVED THREAD] - Primer dimple
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