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308 Reamer w/175 Sierra

Longone1

What freebore should I be looking for in a reamer for a 308 using Sierra 175 MK? I'm not looking for a tight neck or min. body dimensions just something that will allow me to chase the throat a bit.

Longone
 
I have a .340" and a .344" neck diameter both have .090" freebore which I`m told is perfect for the 175 MK. I took an inch off my last barrel, and made a bump/headspce gauge which was able to see the 155 Lapua Scenar is also seated very nice at this freebore due its length. The Palma reamers will usually have a .050" freebore for the lighter 155 class with the shorter bearing surface than the Scenar.
 
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