Seekins Gas Block, Black Finish, Low Profile Adjustable Gas Block .750 0011510031 Available to order on-line. Ships in 5-14 days $69.00
Seekins Battlefield SPBRv4 Complete Upper .223 Wylde 16" Stainless Match Barrel, BCM Mod 3 Charging Handle, Adjustable Gas Block, SP3RV3 Keymod Handguard Out of stock. Check back later... $925.00