T238 Blue Can RGB Tracer Unit (Long / Short) Size:Short and traditional buffer tube for

and traditional buffer tube for use with standard M4 butt stocks

This spring features proper dimension compared to regular AEG spring

May not come with trademarks

Package includes one VFC Hopup Rubber

controls RoF

T238 Blue Can RGB Tracer Unit (Long / Short) Size:Short and traditional buffer tube forDescription: T238 tracer unit is designed for BB NERF dart Gel ball blasters, it attachments to your blaster which allow your BB NERF dart Gel ball to glow in the dark. To see the flight path of your shot, special tracer BBs NERF darts Gel balls are needed. When using RGB version, you can still see a rainbow of gunfire effect without the help of special bullets. Specifications: Dimensions: 123 157mm long, 38mm outer diameterWeight: 220gInterface: 19mm