Starline Brass .458 SOCOM (Large Pistol primer)1.569 - 1.576 O.A.L.
The .458 SOCOM is an awesome cartridge that is basically a long .50AE (O.A.L. of 1.575") with a rebated .308 style head configuration, necked down to utilize a .458" diameter projectiles. It has been chambered in some bolt guns but it's claim to fame is in the AR-15 platform
100 count by weight