Johnboy
Well-Known Member
well guys I am tyring to keep to my word.and for now it seems that the weather has stopped the testing.has been a post for the past few days.but will let you guys know when they hit again.
John
John
Thanks alot for the quickload data. I remember the thread saying that he was getting 2650fps, with 51gr. of RL17. But, you're right, the accuracy load was 49gr.
I am going to try the load come warmer weather and more time on my hands.
Looking through my Sierra manual, there are quite a few powders that get a 200gr. MK to 2450fps from a 26" barrel. I hope my barrel shoots the RL17, 208gr. Amax combo well. That's a long, high BC bullet to shoot from a 308 Win.
Hey Johnboy, is your rifle a factory stock chamber? If so, does this combo loaded to a COAL of 3" fit in you chamber?
A load that reaches 1000 pounds of energy at 1000 yards from a 308 would be a dream come true for a 308 nut like myself. Espescially with all that material and low velocity expansion, there wouldnt be much game in the country that would be safe within 1/2 mile+.
According to QuickLOAD, that load should produce 2574 fps. from a 20" bbl, which is really close to what he is getting with a pressure of 68,408 psi. and a case fill of 102%, which is not terribly bad.
The same load should give around 2770 out of a 30" bbl with the same pressure.
This is if you jump the bullets, if you jam them the pressure jumps up to 78,447 psi., which is getting a little toasty, but the speed would jump up to 2811 with a 30" bbl.
Hope this helps.
-Erik
A 208 or 210 grain bullet with a muzzle velocity of 2650 and a BC of .649 will get a hair above 1000 ft-lbs at 1000 yards. Out of a .308? I don't know if it is possible.
Fitch,
Where do you input different temperatures on QuickLOAD?
Thank you.
-X3M
Fitch,
I looked for it until it drove me crazy, so I figured I would ask, it's so easy now that you told me!
Thank you!
-X3M