Unverified load 7677 in caliber .300 Remington Ultra Magnum

LoadID 7677
Bullet Speer SPBT
Bullet Weight 180 grs
Powder IMR 7828
Powder Weight 87 grs
Primer CCI 250
Brass Make REM
Barrel Length 26 (inches)
C.O.L 3.65 (inches)
Velocity 3050 fps
Group 100 yds .75 (inches)
Submitted By John
Gun Info Rem 700 SPS
Comment inconsistant with temp change