Midwest Industries Upper Height Gas Block

YHM 4 Rail Gas Block

This gas block replaces your existing front sight and allows the user to mount accessories to its four picatinny rails.

YHM Low Profile Gas Block

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.  

Daniel Denfense Low Profile Gas Block
Daniel Defense is proud to announce the commercial release of our Low Profile Gas Block.

YHM Gas Block with Front Flip Up Sight

This front sight features a standard front sight guard, all steel construction for superior strength in demanding conditions and it accepts all standard AR sight posts and hardware (Included).