Classic Army M5 RAS RIS 12" Rail System M4/M16 Series Airsoft AEG Rifles Black CO2 Magazines Key performance upgrades include the

Key performance upgrades include the E-Trigger Kit

Clamping feedneck

most upgradable modular mask system in the world

Dual Illuminated Open Dot Sight

Provides a solid shooting platform to optimize accuracy

Classic Army M5 RAS RIS 12" Rail System M4/M16 Series Airsoft AEG Rifles Black CO2 Magazines Key performance upgrades include theFeatures: CNC Aluminum Construction Matte Black finished and anodized Two Peice Design with Handgaurd Cap Included. Integrated Heat Shield for Realism 20mm Top, side, and lower rail for attachment of most accessories on the market today. Length: 12in Color: Black Material: Aluminum Item will fit on most M16 M4 Airsoft rifles. As with all external parts some modification may be required on a brand to brand basis.