Specifications Manufacturer: Classic Army Construction: Molded Polymer Model: M4 Grip Compatibility: Most M4/M16 Airsoft AEG Series Package Includes: 1X Motor Grip Color: Dark Earth Features Light Weight Polymer Material Allows For Easier Handling. Hinged Motor Plate That Changes The Motor Even Quicker. Large Screwdriver Slot Allows For Simple Height Adjustments To The Motor. Textured Grip Gives The Product An Authentic Feel In The Airsoft User'S Hands. Bottom Trapdoor Provides For Easy Removal And Installation Of AEG Motors. Compatible With M4 And M16 AEG Series Airsoft Rifles.