8.6 Blackout 1:3 twist rate
Yesterday at our monthly Silhouette shoot. One of the guys had a loaded round and an expanded bullet. Long monolithic Cu bullet with three machined slits about half the bullet length. Expanded bullet looked like a three blade broadhead. New one for me, 1;3 twist rate 950 fps.
8.6 Blackout 1:3 twist rate
by Gunner 
, St Louis, Saturday, July 13, 2024, 17:11 (130 days ago) @ E Sisk
A lot of development in the last year on this cartridge, lots of interesting things about it, kinda of a souped up 300 Blackout as the team who created it was involved with the 300 Blackout development as well. The bullet rpm is crazy, with some loads pushing over 750,000 rpm.
Q's Fix rifle with a 12" barrel, suppressor in 8.6 Blackout is wild and performance is crazy but comes at a high price, hopefully as more small ammo companies offer the cartridge cost with come down.
Here are links to the two videos Garand Thumb did on the 8.6.....
https://www.youtube.com/watch?v=ns96O3ZP0qU
https://www.youtube.com/watch?v=_VNTSN4nmEw
Gunner
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41 Mags rule, Baers rock!