190 Berger 30-378

[tomt]

I made the fatal mistake of going into the local gun shop right before Christmas. They had a used Weatherby Mark V Accumark 30-378 with a Swarovski 4 x 12-50 scope. The shop owner told me the previous owner sighted it in and never did anything after that. I went back after Christmas and it was still there, so I put a deposit on it. It's coming home soon, like this week.

Anyways got some 210 Bergers on order, but have 146 Berger 190 VLD's on hand that I would like to develope a load with. After running some numbers through Quickload it looks like 100.5 gns of H-1000 is a good starting place. Any thoughts?

Thanks guys
Tom

 

[tomt]

Any thoughts?

 

[Broz]

Tom, I have loaded many of the 210's in several 30-378's with h-1000 and a fed 215 Primer in Wby brass.

My go to load with the 210's is 98 gr of H-1000 and seating them at 3.800" so they will cycle through the mag box of the Accumark.


So your proposed 100.5 gr load with 190's should be right in there. But I would start below and work up as powder lots do vary in pressure.

Note my 210 load of 98 gr was not a hot load and I could have gone higher. But best accuracy was there and brass life was very good even in the soft wby brass.

Jeff

PS: The 210 load was used to take the elk below that is holding up my Accumark 30-378

 

[500mag_guy]

If you ever decide to sell them 146 190gr Bergers to buy more 210s let me know i have 300 rum that loves them!!

 

[tomt]

Thanks Jeff, I'm anxious to try your load. A good friend loads his 30-378 at 100 grains of H-1000 because that number is easy for him to remember. It shoots pretty good out of both of his guns, but there is ALLWAYS room for improvement and nothing like a good *** kicking at the range.

mag_guy, my wife fusses at me because I don't get rid of stuff

 

[500mag_guy]

mag_guy, my wife fusses at me because I don't get rid of stuff

Lol same!! I think she gave up now though

 

[300WineMag]

Jeff,

Just wanted to say thanks for the load. Went right to the 98 gr H1000 with 210 Berger Hunting and first two shots at 200 yds were touching, the third was an inch to the side with similar elevation. Pretty happy with that, saved my barrel a lot of test rounds!! Did have to shorten them up to 3.74 coal to get them to eject out of Accumark while still loaded.

I noticed in a later post you were using 230grn hybrids, wondered if you ever hunted with them? Can't find any more 210 hunting bullets and only have about 50 more. Berger says they will run them again in Oct?

Thanks again!!

 

[Broz]

Jeff,

Just wanted to say thanks for the load. Went right to the 98 gr H1000 with 210 Berger Hunting and first two shots at 200 yds were touching, the third was an inch to the side with similar elevation. Pretty happy with that, saved my barrel a lot of test rounds!! Did have to shorten them up to 3.74 coal to get them to eject out of Accumark while still loaded.

I noticed in a later post you were using 230grn hybrids, wondered if you ever hunted with them? Can't find any more 210 hunting bullets and only have about 50 more. Berger says they will run them again in Oct?

Thanks again!!

Glad it worked out for you. It seems to be a load that works in many rifles.

I loaded the 210's to 3.800" which was all the mag box would allow. Yes I had to trip the bolt release to eject a loaded round.

Lots of things have changed since those days. Now with the 230's in a 30-378 it makes the large cased Weatherby much more efficient. I now load 230's in any 30-378 I would be involved with, same with a 300 RUM. I have seen similar velocities with the 230's as we did with the 210's in the 30-378. A win win for sure. I want to revisit the 30-378 with a box of 230's and a LB of RL 33. Just haven't had time yet. If I were you , and if time permits I would be looking at this combo.

Jeff

 

[JMUPT]

Hey Broz, where would you start your load at with the 230gr berger and RL33. I can't seem to find any load data for the 30-378 and RL33. I have both but haven't seen any load info on it. Thanks

 

[Broz]

Hey Broz, where would you start your load at with the 230gr berger and RL33. I can't seem to find any load data for the 30-378 and RL33. I have both but haven't seen any load info on it. Thanks

Sorry I have not had time to try this combo, so I have no data to share. But sure would like to see where it ended up. 3200 fps should be easily doable I would think.

Jeff

 

[300WineMag]

I loaded up some 230 grn OTM hybrid Bergers and ran them through the 30-378 today.

3.75" coal, 93, 93.5 and 94 grns of H1000, CCI mag primers. My weatherby accumark liked the 93.5 grn load the best - it was 3 shots at .75" cntrs at 200 yds, pretty happy with that. Only shoot 3 shot groups cause the barrel gets too hot and I have to wait a long time between shots. The 93 grn was second best at 1.25" and the 94 was 2". Never checked the speed, but will reload more at 93.5 and check that.

This was a little better than my group with 210 vld hunting bullets.

 

[300WineMag]

Forgot to mention, the Berger Handload book doesn't list R 33 as a powder.

 

[Lefty7mmstw]

I'd guess the big 30-378 roy has enough boiler room to use rl50. That'll put you a bit ahead of rl33 in performance at the same pressure at the cost of a few grains additional powder with better loading density.
I can hit 3000 fps easily with a 220-225 with either powder in my 26" bbl'd lhm700 300rum. Top loads in the rum are 95 rl33 and 102 rl50 with 220-225 grain bullets. From what I'm seeing in my reloading books top loads from the rum are just a few grains lower that start loads in the 30-378 with most powders. I would start at those top loads (for the 30rum) or a couple of grains up and work to pressure and vel..

 

[Bully]

Broz you ever work up loads with rl-33, in the 30-378?