6 x 6.8 load info

N

NCroark

Member
Just put together my 22 inch Black Hole 6 x 6.8 . Currently only put about 30 rounds through it to find my headspace, max load, and cycling with suppressor. Only powder I have tried so far is 8208, and its dirty as [beeep]. I love benchmark for my short barrel 223 and 308 but not sure how it will do with the 22 inch.

Anyone have luck with a cleaner powder with good velocity in a similar setup, wanting to stay with 70gr bullets.
 
In my experience arcomp was a little faster then h4895. Now neither were more accurate the. Each other in my gun. I didn’t even have a group worth writing home about. I shot the 70g noslers with arcomp and h4895. I haven’t played with seating depth yet on them. If I didn’t already have these bullets I would look to the 70g Sierra blitz Kings. Try them with arcomp if you don’t like your results try the h4895. I think 8208 might be worth a look if them two powders don’t work, very last for me to try is going to be imr4320 that’s only because of the temp stability of it.
 
Ar comp and 4320 are my top choices for the 70s. Comp before 4320 but either work. Im currently working on 2000mr for the 70-75 gr class and if the chrony shows decent numbers i think it will be a contender.
 
so far Im trying 70 Blitzkings. The 8208 was up around 3300 and just over 3250 with sticky cases. the 3200 mark is ok but still seeing pressure signs. I just loaded up some benchmark because its there, to see what it does. Picked up a bottle of h335 too, but sounds like it may be just as dirty as the 8208. Oh well I will play with it and see what I can find. Hoping to find something around the 3200 mark. So far everything has grouped really well for not even trying to shoot groups.
 
Also anyone have a link to already posted info on here about load data, bullets, seating depth etc. Everytime I try to search for 6 - 6.8 or 6x6.8 any variances I get no search results. But a while back I could get several pages of results. Unless there is a specific way to enter the 6 x 6.8 to get results???????
 
Originally Posted By: NCroarkAlso anyone have a link to already posted info on here about load data, bullets, seating depth etc. Everytime I try to search for 6 - 6.8 or 6x6.8 any variances I get no search results. But a while back I could get several pages of results. Unless there is a specific way to enter the 6 x 6.8 to get results???????

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Greg
 
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