250-3000 loads faster than expected

Welcome to the Leverguns.Com Forum. This is a high-class place so act respectable. We discuss most anything here ... politely.

Moderators: Hobie, AmBraCol

Forum rules
Welcome to the Leverguns.Com General Discussions Forum. This is a high-class place so act respectable. We discuss most anything here other than politics... politely.

Please post political post in the new Politics forum.
Post Reply
FLINT
Levergunner 3.0
Posts: 555
Joined: Fri Aug 29, 2008 5:18 pm
Location: Virginia

250-3000 loads faster than expected

Post by FLINT »

Hi all.

I FINALLY got a chance to shoot the 250 savage 99 I picked up last year.

I had loaded up some 87 grain sierras over 32-34gr. 3031 powder in 1/2 gr. increments.

However, I never made it past 32 grains because the chrony read an average of 2984 for 8 rounds - which I'm pretty sure is supposed to be about the max velocity with the max powder charge, so I didn't want to go up any. I didn't notice any pressure signs at all, and was very pleasantly surprised and the almost total lack of recoil when I pulled the trigger on the first round. Seems like a sweet shooting gun and round.

I followed the loading recipe to the T. anyone ever had this happen? any ideas?

Thanks,
User avatar
2ndovc
Advanced Levergunner
Posts: 7898
Joined: Fri Sep 07, 2007 11:59 am
Location: OH, South Shore of Lake Erie

Re: 250-3000 loads faster than expected

Post by 2ndovc »

My grandfathers favorite load for his Model 70, 250-3000 was 33 grains of 3031 and an 87 gr Sierra. I've made quite a few for my dad, he still has the Model 70 and it shoots tiny little groups. It was his favorite antelope gun along with the same rifle in .257 Roberts. Unfortunately the .257 was stolen from my uncles house decades ago.

Have fun with your Savage!

jb 8)
jasonB " Another Dirty Yankee"


" Tomorrow the sun will rise. Who knows what the tide could bring?"
User avatar
Old Savage
Posting leader...
Posts: 14237
Joined: Mon Sep 03, 2007 3:43 pm
Location: Southern California

Re: 250-3000 loads faster than expected

Post by Old Savage »

The issue with the 99 on velocity is what it does to the cases. Push it too hard and they get distorted.
In the High Desert of Southern Calif. ..."on the cutting edge of going back in time"...

Image
M. M. Wright
Advanced Levergunner
Posts: 4148
Joined: Wed Sep 15, 2010 12:57 pm
Location: Vinita, I.T.

Re: 250-3000 loads faster than expected

Post by M. M. Wright »

I would have to look up the weight but I remember the best powder in my 99, 250 was IMR 4064. I'm sure I pushed it too far trying to get 3000 fps. Next time I'm in the loading room I'll look up the load. Oh, they were 87 grain Sierras. I still remember that much.
M. M. Wright, Sheriff, Green county Arkansas (1860)
Currently living my eternal life.
NRA Life
SASS
ITSASS
User avatar
ollogger
Advanced Levergunner
Posts: 2541
Joined: Mon Jul 05, 2010 2:47 pm
Location: Wheatland Wyoming
Contact:

Re: 250-3000 loads faster than expected

Post by ollogger »

I got 3220 fps with 35 gr. of 3031 with a 87 gr Sierra out of my Ruger RSI (18 in. bbl ) no pressure signs
i really like that Ruger! but i also like my 99 & i shoot it with lighter loads & never have run it over the chronograph



Brad
FLINT
Levergunner 3.0
Posts: 555
Joined: Fri Aug 29, 2008 5:18 pm
Location: Virginia

Re: 250-3000 loads faster than expected

Post by FLINT »

Hi all,

I'm definitely not TRYING to hot rod. This was my starting load and it was already at 3000fps, and I was just a little confused about why it was that high.

I used the LEE load data for 87grain jacketed bullet and 3031 powder. it lists OAL as 2.450. and says velocity for 34 grains should be 3055, and I was almost there with 32 grains.

I'm just wondering where I go from here. Do I just stick with the 32 grain load as is and now that it's sighted in see how it shoots for accuracy?

After I made those rounds I found a Hodgdon manual that shows 87 gr SIE and 3031 also with a max of 34 grains but with a OAL of 2.515.

So, should I make up another batch but bump them out to 2.515 oal, and see if that makes a difference? if I do that do I also back down a grain or two and work back up.

Here is an image of the primers from the fired rounds - do they look ok to you.

Image

I also measured the fired brass and the average length was 1.914" while the average length of the same number of unfired cases was 1.913 so it doesn't seem that they stretched much.
KeithNyst
Levergunner 1.0
Posts: 61
Joined: Sat Feb 20, 2016 11:36 pm
Location: NE Minnesota

Re: 250-3000 loads faster than expected

Post by KeithNyst »

I had a similar experience, but with H4895 and Speer's Hot-Cor 87 grain. Hodgdon's online data lists the starting load for H4895 as 33.0 gr/2913fps and max 35.5/3068 with a 2.450" OAL. At 33.0gr H4895, 2.450" OAL and CCI primers, I was already at 3021fps, so I stopped right there. 1.25" group in my 99EG.
User avatar
Old Savage
Posting leader...
Posts: 14237
Joined: Mon Sep 03, 2007 3:43 pm
Location: Southern California

Re: 250-3000 loads faster than expected

Post by Old Savage »

Some rifles shoot considerably faster than others.
In the High Desert of Southern Calif. ..."on the cutting edge of going back in time"...

Image
User avatar
GunnyMack
Advanced Levergunner
Posts: 6577
Joined: Mon Sep 19, 2016 7:57 am
Location: Not where I want to be!

Re: 250-3000 loads faster than expected

Post by GunnyMack »

No sign of pressure there, outside diameter of the primers are still a radius. You have room to increase the charge.
COAL is dependent on magazine length, load up a dummy round at 2.515 and see if it cycles, chambers. If it does try 5 rounds. If not then you have to reduce the COAL until it does.
Like OS said, some barrels are fast, some slow & others are more accurate and some are down right finicky!
BROWN LABS MATTER !!
FLINT
Levergunner 3.0
Posts: 555
Joined: Fri Aug 29, 2008 5:18 pm
Location: Virginia

Re: 250-3000 loads faster than expected

Post by FLINT »

Ok, great. Maybe I'll just leave the load as is as long as it is acceptably accurate.
User avatar
marlinman93
Advanced Levergunner
Posts: 5074
Joined: Sun Apr 01, 2007 3:40 pm
Location: Oregon

Re: 250-3000 loads faster than expected

Post by marlinman93 »

That's always been my basis for loading most cartridges, and especially small high velocity cartridges...how well they group. I'm of course always watching pressure signs, but once the groups are at their tightest and cases look good, I don't care too much about velocities.
I use an almost exact same load for my .250-3000 Savage, and it's off spring, my .22-250 also. Only difference is in the .22-250 I shoot either 52 gr. hollow points, or 55 gr. spire points. And the .22-250 comes out the muzzle about 450 fps faster with that same charge and lighter bullet.
Pre WWI Marlins and Singleshot rifles!
http://members.tripod.com/~OregonArmsCollectors/
Post Reply