Alpha Parts M130 Cylinder Set for Systema Over 10.5" Inner Barrel PTW M4 (Blue) Accessory-Type_Selector Storing this smaller ECU unit

Storing this smaller ECU unit in the factory stock tube means that there is room remaining to store a LiPo battery in the remainder of the stock tube

Tokyo Marui MK23 SOCOM Fixed Slide Full Set Pistol

Rechargeable Battery with T-Type Plug

LCT LCK74M AEG (Real Assembly Ver)

Alpha Parts M130 Cylinder Set for Systema Over 10.5" Inner Barrel PTW M4 (Blue) Accessory-Type_Selector Storing this smaller ECU unitAlpha Parts M130 Cylinder Set for Systema Over 10. 5" Inner Barrel PTW M4 (Blue) SUS304 Stainless Steel Construction M130 Power Up For the Systema Over 10. 5 Inch Inner Barrel PTW M4 Series. The stainless steel cylinders of the latest PTW EVOLUTION contains the same internal parts as the previous version of the PTW, Which means Ccomplete compatibility with existing PTW piston, cylinder head, springs, spring guide and all other parts