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Old 11-03-2012, 06:20 AM
Fork Horn
Join Date: Oct 2005
Location: Central Missouri
Posts: 360
Default walking groups

I've got a H&R Handi-Rifle in .243 that won't hold a group once the barrel heats up, which seems to only take 3 shots. I've read that placing a small o-ring under the barrel at the screw post make them more accurate but haven't had great results with that yet. Has anybody had a similar problem and if so what did you do to correct it?
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