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Old 03-14-2019, 07:38 PM
fps plus fps plus is offline
 
Join Date: Sep 2015
Posts: 975
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One has to assume the bore is centered while turning the barrel as there is no other way to it . Profiling a barrel on a standard engine lathe is a pain in the butt!Even with a taper attachment .

I was at Benchmark barrels and watched them profile a barrel which has been set up with a special follower and it took them 8 minutes to profile a barrel .

Years ago I asked Douglas barrels what they did to the barrels they call “ premium “ and his response was “they check for straightness.” I asked him how they did that and he says “ they look thru them “
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