7lrm or 7 375 ruger brass? Whatcsteps

[joshiwa220]

I am liking the idea of a 7 lrm. What steps are need to neck the 375 ruger brass down to 7 mm. Does it need trimmed during the process? What dies are recommended?

[elktaxi1]

i step mine down to 338 rcm then 300 rcm and than 7mm375ruger had my die made by the gun smith who did my chamber. rick

[joshiwa220]

Thanks, anybody else have any info

[Texote]

ttt

[craigman]

Look into 7mm Dakota. I believe its similar to what you are trying to do...and already done.

[AZShooter]

joshiwa220,

Go to the other thread you started on rifles barrels and ballistics to read how I necked down the 375 Ruger to 7mm. 7-375 ruger or 7 lrm ????