Load 3870 in caliber .50 BMG


LoadID 3870
Bullet Speer FMJBT
Bullet Weight 647 grs
Powder Vihtavuori 20N29
Powder Weight 262.3 grs
Primer CCI 35
Brass Make TZZ
Barrel Length 45 (inches)
C.O.L 5.413 (inches)
Velocity 3020 fps
Group (inches by 3 shot at 100 yds)
Submitted Date 5/17/2002 2:20:00 PM
Submitted By
Gun Info
Energy 13075 ft-lbs
TKO 139.57
OGW 17295 lbs
IPSC PF 1953.94


Note: Measured velocity is at current barrel length.

Warning: Even this was a safe load in current weapon,
ALWAYS start 5-10% lower and work yourself up to a safe
max level in your weapon.
ReloadersNest and the author takes no responsibility for
any result using these loads.