The Select Adjustable Gas Block allows a near infinite initial adjustment on the fly adjustments without losing your initial gas setting. Its patent pending design was developed to fulfill an order in Government programs which required the ability to run suppressed or unsuppressed in the field. This model has a .875 diameter and is constructed of steel with a black melonite coating.
STOCK NOTICE: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.