AR 15 .750 Gas Block Top & Bottom Picatinny Weaver Rail

AR 15 .750 Gas Block  Top & Bottom Picatinny Weaver Rail 

AR15 223 5.56

6061-T6 High Quality Aluminum Low Profile Gas Block Come With Roll Pin

Fits 0.75" Regular Barrel and Standard Gas Tube

Precision Machined from Aluminum with Tight Tolerance Control

4 Slots for Weaver/Picatinny/universal Rail

Fits 0.75" Regular Barrel and Standard Gas Tube

Replaces A2 Front Sight and Provides 2 Picatinny Rails

Hard Anodizing Black Matte Finish

Length:1.875" Bottom Rail (Top rail 1.40")