SEEKINS SELECT ADJ GAS BLOCK .750

Seekins Precision Gas Block, Black Finish, Select Adjustable Gas Block .750 0011510065

The Select Adjustable Gas Block allows a near infinite initial adjustment using an Allen wrench. To begin simply turn the gas screw in (reducing gas) or out (increasing gas) whichever you require and finish by attaching the gas switch for tool-less on the fly adjustments without losing your initial gas setting.