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Fired case inspection question

This is a discussion on Fired case inspection question within the Reloading forums, part of the Firearm Forum category; Hello everyone,I went to the range with my SR1911 Govt. and some reloaded rounds yesterday and noticed the cases had a lot of blow back ...


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Old February 14th, 2017, 02:18 PM   #1
 
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Fired case inspection question

Hello everyone,I went to the range with my SR1911 Govt. and some reloaded rounds yesterday and noticed the cases had a lot of blow back marking on the brass. I believe this is caused sometimes by a light charge but I don't think I was light on these. I was shooting 230g plated rn over 4.6 grains of titegroup at 1.250 col. They shot ok,and ejection was ok. I did not have any different ammo to compare to either. Is this normal with title group? I also reload some with HP 38 but can't remember if I had the same markings.
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Old February 14th, 2017, 04:03 PM   #2
 
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Originally Posted by Shootin357 View Post
Hello everyone,I went to the range with my SR1911 Govt. and some reloaded rounds yesterday and noticed the cases had a lot of blow back marking on the brass. I believe this is caused sometimes by a light charge but I don't think I was light on these. I was shooting 230g plated rn over 4.6 grains of titegroup at 1.250 col. They shot ok,and ejection was ok. I did not have any different ammo to compare to either. Is this normal with title group? I also reload some with HP 38 but can't remember if I had the same markings.
I am not sure of the amount of Titegroup to use in the 45 ACP, but is is a dirty powder.
I reload 357, 44 mag & 500 Mag with Tightgroup, now these are all revolvers so i see most of what you are seeing on the forcing cone and the front of the cylinder. Roll Crimp didn't change the "Soot" either.
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Old February 14th, 2017, 04:26 PM   #3
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4.8 gr. of titegroup is max for that bullet according to Hodgdon reloading data. I would try that load at 4.8 gr. and see if your problem stops. It does appear you are getting blow back due to case not expanding enough to seal to chamber walls. I prefer the HP-38 &231 for reloading the 45ACP.
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