Cheek risers will come as soon we can find it in good price, or we might do those by ourself. My M14(left one) will soon hawe 3-9x56 skope with 90mm extender. To bad there aint too much extenders in stores for 56mm lens so it will be diy.
Also i use 11.1v 2200mah Li-Po, 20c Firefox battery.
Specs for mine
Internals:
Guarder sylinder
Guarder sylinder head
Guarder piston
Guarder piston head
guarder V.3 spring guide
Guarder antireversal latch
Guarder cut of lever
Prometheus Double Torque (200%) gears
Guarder m150 spring
SRC torque motor
Madbull Blackp