.358 STA 275 gr Triad Velocity (fps) Mzl. 100 200 300 400 500 2850 2562 2292 2039 Energy (ft. lbs.) Mzl. 100 200 300 400 500 4959 4009 3208 2539 Bullet Path Mzl. 100 200 300 400 500 -1.50 +1.90 ZERO -8.58 Ballistics Home .