6MM BRA 300 yds 80Gr Bullet
- Thread starter foxguy
- Start date
KMart
Gold $$ Contributor
I can't help you with a BRA but I will give you something on either side. A 6 BR, 80 Berger and 30.5 grains of 8208 is very good. Velocity around 3150. It is MAX in my rifle.
In a 6 Dasher, around 34 grains of 8208 and the 80 Berger does very good. Close to 3400 velocity.
I think about 29 grains would be a good starting place in the BRA
In a 6 Dasher, around 34 grains of 8208 and the 80 Berger does very good. Close to 3400 velocity.
I think about 29 grains would be a good starting place in the BRA
I’ve shot something like 6000 80 gr bullets from the BRA in UBR matches the last two years.I’ve had five different barrels. The .236 bores shot 32.5-32.8 and the .237 bores have been at 32.8-33.4 of 8208xbr
Groups while tuning in prime conditions at 300 under .5 inches are common.
I have got up to 3400 fps but it aggs best at 3280 or so.
Groups while tuning in prime conditions at 300 under .5 inches are common.
I have got up to 3400 fps but it aggs best at 3280 or so.
.237 Krieger
Mine are 12 twist so you might have slightly different results,,
Dusty Stevens
Shiner
I think youll be disappointed if your 8 twist was chambered for a 103+ bullet
With IMR 8208:what kind of barrel life are you getting? I’ve had good accuracy at 300 in a Grinch with 103s and 8208 and but have read 8208 is hard on barrels. Have you any indications this is in fact true?
foxguy
Gold $$ Contributor
Dusty, can you tell me why you think this??
I have a 6MM BR 8 twist and 80 gr Berger bullets can touch the lands and they don't seem to shoot too bad.
Mind you, it's not benchrest groups, but pretty nice for a Factory Savage f class rifle.
The 80 flat base will reach the lands with a .104 Freebore although I do use .050 in my 12 twists
Dusty Stevens
Shiner
If you can touch the lands thats perfect. I think the savage has around an .080 freebore. Most custom barrels wont be that short- thats tons of wasted case capacity with a 103+. You wont have a problem with the twist itself being faster than needed
I shot this set of UBR targets at 1800 rounds with 32.5 8208 and 80 gr bullets
I’ve been taking them off between 2000 and 2500
foxguy
Gold $$ Contributor
What’s the freebore
2.265 overall length in the BRA with 80 gr flat base and .050 freebore is .017 longer than touch
newbieshooter
:-)
My 6BRA 12twist barrel has a .100 FB and the 80s jammed .010
Are you jumping or jamming them Hillbilly 80’s?
I start as far in as I can go without the rifling’s pushing them back in the case and then start shortening them .003 at a time. Usually end up at .020 in the lands
foxguy
Gold $$ Contributor
The rifle was made by Alex Wheeler, I'm pretty sure the Freebore is .100 thousands.
The 80s will reach
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