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Breech Face Damage

Hobart
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Breech Face Damage

Post by Hobart » Sat Nov 30, 2019 11:38 am

Has anyone noticed damage from the firing pin on the breech face of your AR7? Over time, dry firing will cause a dent. But on my rifle, it seems excessive. Henry replaced my first barrel when it started having misfires due to the dent. I’ve been really careful not to dry fire with the new barrel, but yesterday I did accidentally have one dry fire. That one occurrence has already resulted in a light firing pin dent in the breech face.
Are these rifles really that fragile, or does my rifle have a problem?
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Mistered
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Re: Breech Face Damage

Post by Mistered » Sat Nov 30, 2019 12:03 pm

That seems more fragile than it should be.

While .22s are NOT supposed to be dry fired I have known of many that have been without any apparent damage or denting the breechface.

I just examined the breechfaces on my 'vintage' Mod 152 Mossberg and Marlin 39A and there are no dents on either - and I garandamteeya they have both been dry fired - a lot.

I'm thinking the firing pin might be a bit too long and could probably be shortened a thou or two to clear the breechface yet still strike the cartridge rim enough to fire.
Last edited by Mistered on Sat Nov 30, 2019 12:12 pm, edited 1 time in total.
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Hobart
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Re: Breech Face Damage

Post by Hobart » Sat Nov 30, 2019 12:11 pm

I’ve considered that possibility. Every video online and on the Henry web site shows people dry firing after the last round, so it shouldn’t do that much damage. I’m going to email customer service and see what they have to say about it. Thanks.
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JEBar
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Re: Breech Face Damage

Post by JEBar » Sat Nov 30, 2019 12:23 pm

Hobart wrote:
Sat Nov 30, 2019 12:11 pm
I’m going to email customer service and see what they have to say about it. Thanks.

looking forward to hearing what they have to say
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Mistered
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Re: Breech Face Damage

Post by Mistered » Sat Nov 30, 2019 12:48 pm

Before contacting Henry take your FP out and measure it and ask to talk to someone in 'tech support' (if they have this) and have them measure a new, stock FP. If the same length try to get a positive answer as to what they plan to do to resolve this as simply replacing the FP is not going to correct it.
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Hobart
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Re: Breech Face Damage

Post by Hobart » Mon Dec 02, 2019 5:08 pm

Well, Henry wants me to return the gun so they can check it out. Should get a return label soon. Kind of a pain. Hope they figure out what’s wrong.
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JEBar
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Re: Breech Face Damage

Post by JEBar » Mon Dec 02, 2019 5:47 pm

sounds like it may not be a problem they don't see too often .... bottom line, they stand behind their rifles and will take care of the problem .... looking forward to hearing what they tell you about it
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Re: Breech Face Damage

Post by Mags » Tue Dec 03, 2019 11:58 am

.
They will. They are very good at it.
Hobart wrote:
Mon Dec 02, 2019 5:08 pm
Well, Henry wants me to return the gun so they can check it out. Should get a return label soon. Kind of a pain. Hope they figure out what’s wrong.
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Hobart
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Re: Breech Face Damage

Post by Hobart » Wed Dec 04, 2019 3:04 pm

Here’s the breech face damage after one dry fire. Firing pin dent visible at the 12 o’clock position.
Still waiting for a shipping label from Henry.
681AD93E-0F08-4E89-9EEA-C2EF795F8A6E.jpeg
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Mistered
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Re: Breech Face Damage

Post by Mistered » Wed Dec 04, 2019 4:01 pm

Firing pin dent visible at the 12 o’clock position.
The FP dent appears to be 'canted' off a few degrees - Is the FP at an angle in the bolt?
Also what is the 'smile' at the bottom? Is this considered the barrel 'ramp' ?
I think there are a few issues going on here.
Last edited by Mistered on Wed Dec 04, 2019 4:30 pm, edited 1 time in total.
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