9.3x62 favourite powders ?

bat119

bat119

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9.3x62 favourite powders

I've been using IMR 4895 for the 250's and 270's
Dabbling with R-15 with the 286's

All the published data is kept at low pressures for older rifles, I'm shooting several grains above max eg. for 250 I'm at 61. grs. 2612 fps. no signs of pressure and I've used the same Priva brass for 6 loadings with no failures.

Tikka T3 22" barrel

Just curious if anybody else has a favourite powder to try?
 
I've had good luck with varget also. The 9.3 seems easy to handload in my gun as I've tried a bunch of powders and haven't had any disappointments yet . Imr 4064 was real good , h414, imr4350 & h380 are a few more
 
I use 63gr of RL15 with 286gr Norma RNs and LR Magnum primers. That is above book max but my rifle has a slightly large chamber. Chronograph gives my 2350 FPS so I'm not worried about the heavier than book load.
 
IMR 4320 is a very good powder in this caliber that is often overlooked. I have also found RL17 is excellent with 270 & 286 gr bullets in my T3...if you can find it.
 
I've modeled many powders appropriate fro the 9.3 (Quickload) and Ram Shot Big Game comes out on top, excellent velocity on a node and optimized powder burn.

Not available in my area, VV N-550 is a second good choice.
 
BCBRAD said:
I've modeled many powders appropriate fro the 9.3 (Quickload) and Ram Shot Big Game comes out on top, excellent velocity on a node and optimized powder burn.

Not available in my area, VV N-550 is a second good choice.
Click to expand...

Quickload modelling isn't an exact science. It gets you in the ballpark, it isn't gospel and sometimes it isn't even close.
 
jethunter said:
Quickload modelling isn't an exact science. It gets you in the ballpark, it isn't gospel and sometimes it isn't even close.
Click to expand...


The trick to Quickload is accurate inputs to the program, velocity being key.

The Labradar has a claimed accuracy of 0.1%, which is what I use.

Using the generic program and its default parameters will surely define what powders are suitable for the combination of components you are using.

QL will also tell you when your on a node, what powder is optimized in your application and and what powders are easier on your barrel.

For example , with accurate inputs I can easily build a sub moa load (rifle must be in good mechanical conditions), case in point I am looking to stretch my 30-06 hunting rifle to 1000 yards but I do not want to hold over on the reticle to get there. Its a 6x42 Leupold with an M1 turret.
So I look for a combination that will get me there with in the confines of 30 moa available in the turret.

So, I need to run a high BC bullet fast to do it, research indicates a Berger 155.5gr Fullbore target can be run in the mid 2900's, external ballistic charts confirm slightly less than 30 moa.

These are loaded to magazine length 3.334".

The procedure is load 5 rounds and shoot recording velocities. This is a base line.
Manipulate the program so QL predicted velocity is in line with actually velocity, now adjusted powder charge to get on a node and optimize burn.

A friend and I have done this with all rifles we reload for and it is quite easy to get moa and a lot less, 5 shot groups.

Know your exact velocity and learn the program, it makes short work and saves a lot of ammo and frustration.
 
BCBRAD said:
I've modeled many powders appropriate fro the 9.3 (Quickload) and Ram Shot Big Game comes out on top, excellent velocity on a node and optimized powder burn.

Not available in my area, VV N-550 is a second good choice.
Click to expand...

Ramshot big game hasn't been around for awhile, What bullet weight was the best with N-550 I have a source for that? I am looking for something to use with 250's
 
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