Prometheus Straight Sigma Trigger M4 AEG Color:Silver is vented for comfort and

is vented for comfort and the fingertips are closed for added tip protection

Fits in the ARP9 airsoft gun only

Contains all the parts to get your airsoft Elite Force Walther PPQ gas gun magazine running again

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

A favorite of the SAS and other counter terrorist organizations

Prometheus Straight Sigma Trigger M4 AEG Color:Silver is vented for comfort andThe 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