Matt sent us a photo of his Remington 700 chambered in 300 Blackout. I like the nifty trigger release device, thats one way to eliminate human error when testing accuracy.  Matt wrote …

Remington 700 in 300 blk.
Nightforce SHV 4-14
LaRue mount
Silencer co osprey.
Hyskore DLX rest
And my own reloaded subsonic rounds.

The first day my gun went consistently sub MOA.