Replaces A2 Front Sight and Provides 4 Picatinny Rails
High Profile Quad-rail Gas Block for AR15, same height as upper flat top rail
* Replaces A2 Front Sight and Provides 4 Picatinny Rails
* Fits 0.75" Regular Barrel and Standard Gas Tube
* Extra Set Screw For Ultimate Security Enhancement
* Precision Machined from Aircraft Aluminum with Tight Tolerance Control
* Hard Anodizing Black Matte Finish
* Top Rail Matches Height of Flat-top Receiver for Accessory Installation
* Includes Gas Tube Roll Pin and Locking Screws
