So this maybe should be in the stupid marksman forum, but what is the difference between the 2. I had thought they were the same thing but different words but one place I was looking at (can’t remember where) said I had to pick one.
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It’s not that difficult.
Find a smith to do a shouldered prefit for your origin.
Keystone accuracy is a great source but there’s lots of other great smiths doing bighorn pre fits as well.
pre fit= a barrel cut without action in hand.
Can be a barrel nut or shouldered.
You can also buy 'Pre-Fit' barrels and install it yourself. Proof now sells shouldered pre-fit barrels for the Origin.
I do understand that. Just thought the shouldered would be easier. I was just curious what those two meant for sure. I also actually am looking into a proof barrel.
no one has discussed headspace. If you are going to install your own barrel you are going to need to know how to head space it correctly... even a shoulder barrel needs to be checked for correct headspace.
Yes but the actions you’ll normally get barrels like that for are very consistent and problems are very rare and If you buy from a good source they’ll certainly take care of you.If the headspace on shouldered barrel was not to your satisfaction, what could you do? Would it not require it to be turn on a lathe?
PROOF Research Prefits for the Bighorn Arms actions do not require the barrel nut, although the barrel nut can make the exchange easier; they also don't require headspacing because PROOF Research manufactures them to Bighorn Arms tolerances, however double checking never hurt anyone and I for one always go by what I heard from Ronald Reagan "trust but verify." With the PROOF Bighorn prefits all you need is their action wrench, a torque wrench, some anti-seize (I use Nickel based Permatex), and a barrel vise and your gtg.