Unverified load 8145 in caliber .284 Winchester

LoadID 8145
Bullet Berger Target Hybrid
Bullet Weight 180 grs
Powder IMR 7828
Powder Weight 56.5 grs
Primer winchester
Brass Make winchester
Barrel Length 26 inch BRUX (inches)
C.O.L 15 thous. off lands (inches)
Velocity 2864 fps
Group 100 yds .25 (inches)
Submitted By MARK
Gun Info BRUX BARRELL/REM.700 LA TI.
Comment 57 gr of powder fps became erratic...56.5 ESD is single digits