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Discussion Starter #1
Recently bought a new to me single six 32 h and r. I shot a box of 32 long wadcutters through it and was happy with how well I shot it...nothing on paper all plinking at plates and pumpkins.

I bought some black hills 85 grain jhp 32 mag ammo. It does fine at 30 feet but I can't seem to hit 8 inch plates at 30 yards. I only tried with a few rounds and yes it's probably more me but it started me thinking about cylinder throats. I reamed a NV 45 colt that made tremendous difference in point of impact with jacketed bullets.

I had already decided to try reloading for this caliber. I want a combination plinking/varmint round so I bought both hornady 85 and 100 grain xtp's .312 bullets to try.

These bullets do not push through the cylinder with a firm push with a dowel. Does that mean it's a good idea to ream the throats?

brownells has a manson reamer for 32 h and r. I don't understand how to know what diameter this will ream.....yes I'm clueless. It seems there are a lot of lead bullets that are .313 although I've seen .311 on a few websites. Am I smarter to buy .311 lead bullets to try before making a permanent modification?

If I ream the cylinder throats will this reduce the accuracy with 32 long?

Thanks for any advice.
 

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Just a wild thought or two:
Try shooting paper to see where the gun centers, using bench rest if needed. Then, call Ruger for them to correct the chambering problem.
 

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Discussion Starter #3
I agree it would be useful to put it on paper. Maybe I am concerned for no reason.

Should I be able to push the bullet through the cylinder throat? I cannot push the .312 Hornady XTP's through this cylinder.

I believe Ruger wants me to shoot factory ammunition. I don't think they will do anything for someone reloading.
 

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dlbind, Yes, those .312" bullets should pass through the throats with just finger pressure. Reaming will probably help accuracy …. it almost always does. 32 Long ammo should have the same diameter bullets so it will likely be more accurate too.
 
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