I'm not sure I am asking the correct questions so please excuse the rambling. Let me know if it is incoherent.
A buddy of mine recently gave me a Hart #5 contour barrel chambered in 300RUM. He had it on a Nesika action. Are there any actions that are dimensionally similar and cheaper than the Nesika? I need a LH action. I think the Borden Timbeline Magnum is pretty close as far as tenon diameter and TPI but how much work to make them work together?
Well , Remington has 1.062 x 16 TPI and Savage small shank Savage has a 1.062 x 20 TPI and I believe that the Large shank Savage has a 1.125 x 20 TPI shank.
I don't know what the action thread is for Nesika actions is but the worst case would be to cut the threaded shank off and have it threaded for the action you want , granted you will be loosing about 1-1.5" of barrel length but at the same time you will be cleaning up the eroded throat section of the barrel.
Yes the Borden receivers have that same thread. The barrel shank length will be different however so you would need to cut the shank back to the correct dimension and then deepen the chamber a bit but you would not loose much barrel length.
Other then that I think you would have to chop the threads and start over.
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