For Tokyo Marui VSR10/ MLC-338 Sniper Rifle
Big bore high volume cylinder set with larger piston (please do not use with original cylinder)
Compatible with CNC "Hen Li Hai" Zero Trigger
New piston cocking/loading indicator will "Rise up" to show the piston is cocked with red mark.
VSR Spring included
Scope mount rail included
The washers packs?M5*4pcs for stock screw, M3*2pcs for trigger box
Install the washer before use; otherwise, the screw might damage the cylinder!!