.458 SOCOM
Heavy .458 bullets from an AR; hogs and bear, and quiet subsonic loads.
Good for: AR-15, Deer/hog, Straight-wall, Suppressor
A typical factory load is a 300 gr JHP bullet at about 1,900 ft/s, with roughly 2,405 ft-lbs of energy at the muzzle.
Typical load
300 grJHP · 16" barrelMuzzle speed
1,900 ft/sMuzzle energy
2,405 ft-lbsTypical BC (G1)
≈ 0.20typical, varies by brandTwist rate
1:14Practical range
150 ydOn the AR Caliber Guide chart
Made for
Heavy .458 bullets from an AR; hogs and bear, and quiet subsonic loads.
Typical load
300 grJHP · 16" barrel
Typical muzzle fps
1,900ft/s
Typical muzzle energy
2,405ft-lbs
Typical BC (G1)
≈ 0.20typical, varies by brand
Twist rate for typical load
1:14
Practical range
150 yd
What to change
Barrel: Change · Bolt: Change · .458 SOCOM bolt · Magazine: Keep · Std mags, single-stack (fewer rounds)
Open the full AR Caliber Guide chart →
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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.