Loading some 300 Blackout 190gn Sub-X rounds for a customer. Chrono’ed at 1050 from a 16” barrel consistently. Hits steel like a champ too, harder than a 220gn Berry’s.
Selling a demo Q 8.6BLK 12" SBR with Porq Chop & Vortex PST 5-25x50. Have all the boxes for everything. This gun is perfect, round count is less than 250. I'm replacing with a new demo gun under dealer demo programs. This rifle has been in my possession it's entire life, and I've pulled...
Never use jacketed bullets for supersonic 8.6. Solid coppers only. Jacketed bullets will explode on exiting the barrel.
They're fine for subsonic. I shoot them daily.
With approval from Kevin & the mods:
INGO Giveaway Contest - We're giving away a TSV SOS 22 suppressor (value $469 after stamp) to an INGO member this month. This contest will run May 17-25th at 9pm. One lucky INGO'er will walk away with a free can. We'll even pay the tax stamp! To enter...
Ah - the hard primers for an open bolt, the overcharged powder capacity, a total nightmare for shooting in a standard pistol (which you should never do.). It was designed to use only in the Uzis.
I've seen this stuff sold on Gunbroker as Israeli import surplus. Wonder how many people lost...
Bullet RPM = MV X 720/Twist Rate (in inches)
For a subsonic - 1050 x 720/3 = 252,000 rpm (300gn Matchking)
For a supersonic - 1970 x 720/3 = 472,800 rpm (210gn Barnes TSX)
For comparison -
308 supersonic - 2800 x 720/12 = 168,000 rpm