AR15/M4/M16 Aluminum 4 rail system

Carbine length M4 replacement forend rail system

System adds four mil-spec Picatinny rails for versatile accessory applications

Precision machined from 6061 T6 billet Aluminum for Maximum strength

Field tested under extreme conditions for maximum performance and durability

Hard coat anodized for optimum wear resistance

Simple installation, replace your polymer hand guards and secured by 4 bolts

Rail system firmly locks to the barrel nut and front Hand guard Cap

No gunsmith required

System aligns perfectly upper receiver rail