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Family Owned and Operated Ammo Sales, Stillwater OK

Orders placed at this time are estimated to take 1 to 2 business days to be shipped out of our warehouse, then normal UPS ground transit times from our warehouse in Oklahoma to you. FREE SHIPPING on any order with a subtotal of $200 or more.

458 Socom

Shop .458 SOCOM Ammo – Big-Bore AR-15 Power Rounds In Stock

Browse .458 SOCOM (11.63×40mmRB) ammunition in stock at SGAmmo, your trusted source for bulk rifle ammo at competitive prices. Our selection offers reliable, hard-hitting performance for big-bore AR-style rifles. Whether you're preparing for range training, hunting, or tactical applications, this cartridge provides dependable results with every shot.

The .458 SOCOM was designed in the early 2000s by Marty ter Weeme of Teppo Jutsu LLC and Tony Rumore of Tromix in response to the limited stopping power of 5.56 NATO during special operations—famously during Operation Gothic Serpent in Mogadishu. It delivers heavy .458-caliber bullets (250–600 gr) from a standard AR-15 platform with minimal modifications—just a barrel and bolt swap—while still using standard magazines. Today, it is primarily used for hunting medium to large game at short ranges, as well as for suppressed shooting with subsonic loads. Its unique design allows deep penetration and energy transfer, making it ideal for close- to mid-range engagements.

All of our .458 SOCOM ammunition is in stock and ready to ship directly from our warehouse, so you can get the rounds you need without delay. Stock up now for range time, hunting, or tactical preparation, and take advantage of fast, reliable shipping on every order. Keep your rifle ready with SGAmmo’s dependable inventory and bulk ammo deals!

Image Name Qty. In Stock Price

20 Round Box - 458 Socom 300 Grain JHP Corbon Hunter Ammo - SD458300/20

SKU: SD458300/20 - Box
16 $43.95 Each 12+ @$38.95 ($2.20 Per Round)

240 Round Case - 458 Socom 300 Grain JHP Corbon Hunter Ammo - SD458300/20

SKU: SD458300/20 - Case
12+ $467.40 Each FREE
SHIPPING
1+ @$467.40 ($1.95 Per Round)

20 Round Box - 458 Socom 300 Grain JHP Corbon Hunter Ammo - SD458300/20

SKU: SD458300/20 - Box
16 In Stock
$43.95 Each 12+ @$38.95 ($2.20 Per Round)

240 Round Case - 458 Socom 300 Grain JHP Corbon Hunter Ammo - SD458300/20

SKU: SD458300/20 - Case
12+ In Stock
$467.40 Each
FREE SHIPPING
1+ @$467.40 ($1.95 Per Round)