Custom 458 Socom Premium Barrel Stainless 16"
16" .458 SOCOM Carbine Length Gunner Big Bore AR-15 Barrel
Caliber Gauge.458 SOCOM
Feed RampsMonolithic
Gas Seat Diameter.875
Gas System LengthCarbine
PlatformAR-15
Thread Pattern11/16 X 24
Twist Rate1:14