small world. the rifle im tuning the load for is a .30-06 steyr SBS in 20". probably its a primer issue, so will try a hotter magnum fed primer. Not too many Steyr rifles out there.
Accuracy in general is best when case is nearly filled or at times a bit compressed with a powder charge. the powder tends to be in the same position to the primer flame at all times. I was not able to experiment with other powders since i don't have them in stock. only got mid burning powders...
Yes this is probably one of the most ancient posts I ever gave my two cents worth, but ballistics and canister grade powder remain the same in 2009 as it did in 2001. There is still a lot of people who have COL concerns and dont realize that reloading ammo to match current chamber conditions is...
I have a Steyr SBS .30-06 that I got for my wife. it hates H4831 and RL 22 for 180 grains using standard rifle primer. a lot of flash and boom. my guess a lot of the slow burning powder is burning outside the muzzle- 20" barrel. getting about 2450-2600 Fps from it and erratic velocities from my...
Long throat is a gift. you can safely increase powder charge while maintaining same pressure. My .300 can be loaded to 3.620 using 180 gr nosler etip. can max out loads up to 81 grains but seem to get good results and case life downloading to 77 grains of H4831.