Prometheus Straight Sigma Trigger M4 AEG Color:Silver 300 round hicap with winding

300 round hicap with winding wheel on its bottom

rear stock and twist the buttplate in either direction (see picture)

Fits in the ARP9 airsoft gun only

Action Army VSR-10 M130 Spring

sized head (kids to adults)

Prometheus Straight Sigma Trigger M4 AEG Color:Silver 300 round hicap with windingThe 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