Unverified load 4387 in caliber .350 Remington Magnum

LoadID 4387
Bullet 220 Speer semi flat point
Bullet Weight 220 grs
Powder RL-15
Powder Weight 63.0 grs
Primer WLR-Mag
Brass Make Remington
Barrel Length 22 (inches)
C.O.L 2.80 (inches)
Velocity 2842 fps
Group 100 yds 0.75 (inches)
Submitted By Float Pilot
Gun Info Ruger M-77MKII all weather
Comment Slightly flat primers with a hint of edge or crater. VERY CLEAN. Small velocity deviation. I was rather suprised at the velocity. But verified it with two other chronographs.