I have heard two different opinions concerning floating a bolt action rifle barrel for better performance. One gunsmith told me I should float the barrle back to the chamber and ensure good contact under the chamber itself. Another gentleman told me that Rugers need some pressure on the barrel...
7mm Rem Mag Loads
Barrel is 24", factory stock for Rugers. Understand the point about accuracy, but I was worried when a .270 load (also a Ruger w a 22" barrel) I developed with 56.0 grs of H4831SC gave me 2900 fps for a 150gr bullet. 63.8 grs of the same powder gave me 2700 fps for a 150 gr...
I have been trying to load 7mm Rem Mag for my Ruger M77 MKII. I have tried both IMR 4831 and H4831SC. I am using CCI magnum primers and new brass. I get velocities that are approximately 200 fps lower than my manuals list. This is very consistent and applies to loads with either powder. I have...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.