Different barrel materials (Read 5896 times)

drck1000

Re: Different barrel materials
« Reply #40 on: October 09, 2020, 10:40:55 AM »
I only buy Thai Jasmine rice, but I am Irish, what do I know about rice?
Eat whatever you think tastes good.  :thumbsup:

ren

Re: Different barrel materials
« Reply #41 on: October 12, 2020, 09:44:40 AM »
Bartlein 4 groove barrels . I read its been around for years and avail from CLE
https://www.whiteoakarmament.com/new-bartlein-4r-post-ban-service-rifle-barrel-1-7-twist.html

They mentioned drilling the gas port into a groove rather than a land. That's one of those subtle things in barrel finishing that makes "break-in" easier.
Deeds Not Words