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Re: H + R trapdoor breech block repair

Posted by Larry Gibson on Friday, 13 April 2018, at 12:41 p.m., in response to Re: H + R trapdoor breech block repair, posted by Tom Trevor on Friday, 13 April 2018, at 12:14 p.m.

I have done several conversions of H&R TDs to use original breach blocks including my own OM and LBH carbine. I never found any real case hardening to be any issue. I didn't case hardening after the conversions and have no sign of wear on my H&Rs. None has been reported on the others. I have a couple thousand service level 1873 loads (400 gr8 at 1350 fps) out of the OM and like wise 45-55 loads out of the carbine. Both have several thousand 275 gr8 plinking loads through them. No problems encountered what so ever.


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