Recent content by rigmaster10

The factory 375 case is to long unless you ordered from Gunwerks. Then it will be cut and hydroformed.

Size the brass up to .30 cal with just a sizer ball. And then use your lrm sizer. Keep sizing the neck till it will fit in the chamber and the bolt closes with some pressure. This will create a false shoulder. If you don't do this the lrm brass will not fit tightly enough to fire firm. Also this...

I had to call them. They have it.

Wow your getting great numbers out of your lrm. Mine did not perform very well. Your parts list looks nice to.

Last I checked they have a bunch. Is your reamer just necked down 375. If so that's perfect.

Right now I'm going to push the 7 lrm reamer .100" deeper into the chamber to give it volume back. To do this I have to size a false shoulder on the Lrm brass and fire form. I like the lrm brass. So fire forming is about as easy as stepping down 375 brews 30 times. Hope this helps

Yeah I thought i was going to get away with the speeds i was running. With the free bore I added. But no such luck. In the past i would have just kept buying brass. But these days im into longevity and consistancy. In the long range world radical swings in anything are not a good thing. Im...

Originally yes it was a 27" Brux #3 contour. I recently changed it out to a 28" benchmark. And have modified the chamber and throat to accomodate this. I have been using 7828 SSC. I wont list load data as im on reload two and allot of the prime pockets are getting loose. I need to find a high bc...

Sorry I have not done any testing with the 300 gr bullets. I have been working on the 375 Hammer and 7x375 ruger. I plan to someday but other shiny things have caught my attention.

Yeah The 338 Screams. But I Have Renewed Faith InThe 375 With 350 Gr. SMK.

Haven't DoneAnyWork With The 338 Lately. ButIHaveBuilt A 7Mm Version AndImproved The 375. Getting 2700 Fps With A 350 Gr SMK.

The Rigby Is Also A Bit SaFer When Going Down To Sea Level.

If You Ever Get The Chance To Do A Wild Cat. This Case Will Amaze You. Check Out The 7Mm Lrm By Gun Werks.

I Also Have Advantage Of Being At 5,000' Elevation. I'm Not Sure About Pressure. I Will Just Keep Working Up The Load Till There Are Warnings Then Back Off. I Don't Know Any Better Way. Due To Books Under Rating Loads

I Recently Pushed My 20" Barreled 375 Ruger Alaskan To 2500 Fps With A 350Gr Smk. No Pressure Signs. Now I Have A 28" Tube Coming And A Special Reamer Coming For Longer Throat. I'm Hoping To Get 2700 Fps. But We Will Just Have To See. One The Best Cases I Have Ever Seen.