First shots of the Ruger American 300 Blackout in a newly released MDT Fieldstock. This vblock bedded stock absolutely tightened up the groups but there is a feeding problem with the AICS magazine. mr.revolverguywww.dayattherange.com

Shooting this Ruger American Ranch Rifle in .300 AAC /BLK / Whisper: gathering data to dial in some bolt action sub sonics. I shoot some test loads in a Ruger American Ranch in .300 BLK. A couple bullets that I cast but had less than good results in my AR platform Rifle[s] 180 grain Lee Precision C309-180-R Double Cavity Mold and the 230 grain Missiles Lee Double Cavity Mold .309-230-5R.