This gas block replaces your existing front sight to provide a simple" low profile design that can be used to mount a rifle length forearm to a carbine length barrel. It is mounted by the use of two clamping screws.
.750";Phosphate Coated"
Steel
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.