SPIKE'S M16 BOLT CARRIER GROUP LW

SPIKE'S 556NATO M4 LE UPPER 16" BLK

SPIKE'S 556NATO M4 LE UPPER W/RAIL

SPIKE'S 556 MID LE UPPER 16" FSP BLK

SPIKE'S 556 UPPER 14.5"PB RAIL/DYN

SPIKE'S 556NATO UPPER 16" CHF/FSP

SPIKE'S MICRO GAS BLOCK .625 W/SCRWS

SPIKE'S MICRO GAS BLOCK .750 W/SCRWS

SPIKE'S GAS TUBE PISTOL LENGTH STS

SPIKE'S GAS TUBE CARBINE LENGTH STS

SPIKE'S GAS TUBE MID LENGTH STS

SPIKE'S GAS TUBE RIFLE LENGTH STS

SPIKE'S FORGED CHARGING HANDLE BLK