The Airtech Studios TDC Advanced M4 Standard R-Hop Arm & M-nub are designed to be used in standard M4/AR AEG Chamber. Instructions with pictures are available with this product, making installation much easier for those who wish to have a more consistent shooting experience

Compatibility:

• Standard M4/AR AEG Hop Up Chamber

Includes:

• x1 Airtech Studios TDC Advanced M4 Standard R-Hop Arm & M-nub