.303cal Sierra Bullet Heads .311 180gr SPT pkt100.
For over 50 years shooters have associated accuracy and superior ballistic performance with one name more than any other, Sierra. On the range or in the field, Sierra bullets offer that extra margin of performance that shooters can depend on.
PROHUNTER: Flatbase hunting bullets designed for a combination of penetration and expansion in medium and heavy game.
Ballistic Coefficients and Velocity:
.411 2000 fps and above
.407 between 2000 and 1600 fps
.407 1600 fps and below
Diameter: 0.311 Weight (grains):180 Sectional Density:0.266