POM Polymer Constructed Red Dot Laser Grip.
Thumb activated button.
Operated by 2pcs CR2032. (about 4 hours continue use & not include)
Setting key included.
Suitable for Tokyo Marui, KSC G17 series Pistol, Marushin G21 series. (or their clones)
Also fit to Guarder / Pro-Arms Glock Lower Frame.
Will fit many different type of airsoft glock with user modifications. (modelers skills may be required)
Output power - 5mW