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Item 47D – Velocity: 1550 fps
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Versatile load for hunting large North American game such as bison, moose, and bear.
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Uses the classic Speer 400 gr. Jacketed Flat Nose (JFN) bullet—an old technology design that remains highly effective.
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Proven performance in various 45-70 loads over decades of use.
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At impact speeds around 1800 fps, the bullet tends to over-mushroom and fragment—well above 458 SOCOM capabilities.
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At ~1600 fps, mushrooms to ~1 inch diameter, holds together, and penetrates at least 24 inches.
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At ~1500 fps, mushrooms to ~.85 caliber and penetrates up to 30 inches.
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At lower velocities, mushrooming decreases while penetration increases—stopping around 1,000 fps.
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Final release velocity: 1550 fps, chosen for optimal accuracy in AR platform rifles.
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Performance may vary depending on bone impact and shot placement.
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For illustration purposes only, this image may not be an exact representation of the product.
BUFFALO BORE 458 SOCOM 400Gr JFN (1550FPS/ME 2134 ft lbs) 20rd
Buffalo Bore 458 SOCOM ammunition loaded with a 400-grain Speer Jacketed Flat Nose bullet. This 20rd load has a listed velocity of 1550 fps and is designed for hunting large North American game, including bison, moose, and bear.
$69.99
$3.50
per
round
5 interest-free payments of $14 with 
Flat Rate
$13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees.
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Item #
292643
Style
BFF-47D/20
UPC
651815458045
Condition
New
Manufacturer
Units Per Box
20
Caliber
458 SOCOM
Weight
1.88 lb
WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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