Alpha Parts M150 Cylinder Set for Systema Over 14.5" Inner Barrel PTW M4 Series (Red) Originating-Armory_H&K Suitable For Tokyo Marui M16A1/

Suitable For Tokyo Marui M16A1/ AUG Series Airsoft Gas Blow Back GBB Rifle

Fixed Front & Flip-up Rear Sight

Motor Spring

Laylax M4/M16 Retractable Stock VL Profit Version (Sand)

Alpha Parts M150 Cylinder Set for Systema Over 14.5" Inner Barrel PTW M4 Series (Red) Originating-Armory_H&K Suitable For Tokyo Marui M16A1/Alpha Parts M150 Cylinder Set for Systema Over 14. 5" Inner Barrel PTW M4 Series (Red) SUS304 Stainless Steel Construction M150 Power Up For the Systema Over 14. 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