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mike14837
10-21-2012, 01:52 PM
So i just changed barrels on my savage model 11 to a 308, i set the head space with a go gauge and i put a piece of masking tape on it for a no go gauge. I have shot about 30 rounds of factory ammo through it and it grouped ok about 2 inch group at 100 yards. I just picked up some 150 gr accubonds to hand load, so i was trying to get my over all cartridge length and my book says that the 308 max is 2.810 the problem i have is i set my die above that at like 2.95 and colored the bullet so i could see when it hits the rifling, i expected the bolt to not even close on it but it did and i never seen any rifling, so im wondering if i need to tighten up the head space or what? thanks

thomae
10-21-2012, 01:58 PM
You might simply have a long chamber. Very different than headspace.

However, your headspace might be excessive as well. Masking tape is rather thick. Most people use Scotch tape, the clear stuff for putting on paper. Used to be called "Magic Mending Tape" but I don't know what it's called today. You should measure the tape with calipers to make sure it is the right thickness.

Speedrat1
10-21-2012, 04:06 PM
Like thomae stated.... headspace and bullet seating depth - two difference things! If you'd set the headspace over a 1/8 inch long I really doubt it wouldn't have made itself known in case separations! My advice, and one I follow myself when working up a load is load to the length recommended where you're getting your load data first, to get the best group. If then one is found, try adjusting the oal and see if it makes a difference at that point.

mike14837
10-21-2012, 05:10 PM
thanks for the info, went to the range today and did just what u said. I set it at the recommended oal and it shot good groups at 100y just wanted to make sure i didnt screw somethin up lol

stangfish
10-21-2012, 05:36 PM
Try 44.5 grains of varget in that bad boy with those AB's

mike14837
10-21-2012, 09:22 PM
I tried 43gr and 44gr of varget today both shot good not much difference between them, ill give 44.5 i try to thanks

stangfish
10-22-2012, 06:00 PM
Mike push them out to 2.850 COAL

mike14837
10-23-2012, 07:59 PM
Thanks stangfish i will try at 2.85