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