The KAC M5 RAS (Rail Adapter System) was developed for use on the US military?s M16A4, and with hundreds of thousands of rails issued to date, it is one of the most battle proven designs available for the AR-15 platform.

The Knights Armament M5 Rifle RAS Forend Assembly was developed for use on the US military’s M16A4, and with hundreds of thousands of rails issued to date, it is one of the most battle proven designs available for the AR-15 platform.

Available in configurations compatible with the HK MP5, the M4, and the M5, the KAC RAS rail surpasses other two-piece quad rails on the market due to its innovative attachment system which secures it to the barrel nut with a clamp and screw, resulting in an iron-clad platform to mount tactical accessories.

The M5 Rifle RAS converts AR-15, M16 rifles with 20 inch Mil-Spec (M16A2, M16A3, M16A4 – .840 diameter) barrels into the MWS (Modular Weapon System) configuration. The KAC rail system forends do not require you AR15 Rifle to be modified.

Knights Armament's M5 RAS (Rail Adapter System) was developed for use on the US military's M16A4, and with hundreds of thousands of rails issued to date it is one of the most battle proven designs available for the AR-15 platform.

The M5 Rifle RAS converts AR-15, M16 rifles with 20 inch barrels into the MWS (Modular Weapon System) configuration. The rail system forends do not require you AR15 Rifle to be modified. They are very simply installed in place of the plastic handguards with simple tools.

Knights Armament’s M5 RAS (Rail Adapter System) was developed for use on the US military’s M16A4, and with hundreds of thousands of rails issued to date it is one of the most battle proven designs available for the AR-15 platform.

Mar 29, 2016 · The KAC M5 RAS (Rail Adapter System) was developed for use on the US military’s M16A4, and with hundreds of thousands of rails issued to date, it is one of the most battle proven designs available for the AR-15 platform.

Upgrade your AR-15 with the Knights Armament M5 Rifle RAS Forend Assembly. This durable and lightweight rail system enhances your rifle's performance and customization options. Available now at Boss Firearms.

The KAC M5 RAS (Rail Adapter System) was developed for use on the US military's M16A4, and with hundreds of thousands of rails issued to date, it is one of the most battle proven designs available for the AR-15 platform.