Echo1 M4 CQB XK End Cap LCT This precision-engineered Hopup Chamber SV

This precision-engineered Hopup Chamber SV features a rotary dial for fine adjustments and reworked hopup levers and concave nubs

or the Valken Tango Mesh Mask for overall safety and protection

Package includes: CNC Gearbox V2 (8mm) – QSC in chosen color

FEATURES SMOOTH LIGHTWEIGHT ANODIZED ALUMINUM CONSTRUCTION

Echo1 M4 CQB XK End Cap LCT This precision-engineered Hopup Chamber SVThis kit deletes the buffer tube and makes your M4 style AEG very compact. It has a QD swivel socket and includes a swivel as well for a sling. This will work on most M4 style AEGs though might require shortening of the back of the receiver to mount this plate.