H4198 and 125 BT

Found pressure at 31.5. Backed down to 31.0. Velocity out of the 19" barrel at 31.0 is 2750 with an ES of only 3 fps, per 5 rounds shot through the magnetospeed.

Crazy accurate, I'd be satisfied if it were 13 pound rig, and its only a 7 pounder.