.357 SIG
A .40 S&W case necked to 9mm to match .357 Magnum speed in a semi-auto. Police and self-defense.
Good for: Pistol, Self-defense
A typical factory load is a 125 gr JHP bullet at about 1,350 ft/s, with roughly 506 ft-lbs of energy at the muzzle.
Typical load
125 grJHP · 4" barrelMuzzle speed
1,350 ft/sMuzzle energy
506 ft-lbsTypical BC (G1)
≈ 0.14typical, varies by brandTwist rate
1:16Practical range
25 ydPoint-blank range
121 yd6" vital zoneRecommended platform
Compact or full-size pistolSnappyOn the Handgun Cartridges chart
Made for
A .40 S&W case necked to 9mm to match .357 Magnum speed in a semi-auto. Police and self-defense.
Typical load
125 grJHP · 4" barrel
Typical muzzle fps
1,350ft/s
Typical muzzle energy
506ft-lbs
Typical BC (G1)
≈ 0.14typical, varies by brand
Twist rate for typical load
1:16
Practical range
25 yd
MPBR (iron sights)
121 yd6" vital zone · Near zero 5 yd · Far zero 102 yd · Min PBR 0 yd · Max PBR 121 yd · Sight-in @25 1.86" high
Recommended platform
Compact or full-size pistolSnappy
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Speed, energy and BC are typical figures for the listed load; real numbers vary by brand, lot and barrel length. Always check the ammo maker's data for your exact load.