Unverified load 4047 in caliber .45-75 WCF

LoadID 4047
Bullet RCBS 173-356 cast soft with GC
Bullet Weight 330 grs
Powder IMR 3031 with 1/2 synthetic puff filler
Powder Weight 36 grs
Primer CCI 200
Brass Make Winchester .348 trimmed and formed
Barrel Length 28 (inches)
C.O.L crimped (inches)
Velocity 1200 fps
Group 100 yds 2 (inches)
Submitted By Chip
Gun Info Original M1876 Winchester
Comment Great load, passes through elk broadside.