Ruger Precision Rimfire Bore Guide
thingiverse
Cleaning rod bore guides for the Ruger Precision Rimfire in straight up and down and 20 degree rotation solvent port (haven't tested the 20degree one yet) to allow for easier insertion and minimize damage to the chamber. I have my cheek piece up pretty high so it clears for me, but would probably be long for any setting you can't get the bolt out of.
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