Prometheus Straight Sigma Trigger M4 AEG Color:Silver Fits the USP and the

Fits the USP and the USP Compact

Electronics: Compatible with all Wolverine Airsoft Electronics

Action Army VSR-10 M130 Spring

The G19x is a special gun that only comes in tan color

300 round hicap with winding wheel on its bottom

Prometheus Straight Sigma Trigger M4 AEG Color:Silver Fits the USP and theThe new Prometheus Straight Sigma Trigger made for standard M4 AEG airsoft guns. Red, Gold, Silver, and Black colors available. The straight trigger that matches stylish hand guards and frames, sharp design. It consists of two parts, a base part and a trigger pad, easy to incorporate, and easy to exchange to other colors once installed (removes with a small allen set screw). This trigger only works on M4 AEGs. Compatible with all "standard" M4 M16