Alpha Parts M90 Cylinder Set for Systema Over 14.5" Inner Barrel PTW M4 Power-(fps)_400 FPS Aluminum Free Float Rail System

Aluminum Free Float Rail System Handguard

Four Lock Hooks for most key-locks Truly rigid case that you can drop it from helicopter before touch-down Outer Diagonal

Excellent Craftsmanship as always by Tokyo Marui

PA & Die-Cast Construction

(2) Removing the adaptor from a partially charged CO2 tank: You need to do the following

Alpha Parts M90 Cylinder Set for Systema Over 14.5" Inner Barrel PTW M4 Power-(fps)_400 FPS Aluminum Free Float Rail SystemAlpha Parts M90 Cylinder Set for Systema Over 14. 5" Inner Barrel PTW M4 SUS304 Stainless Steel Construction M90 Power Cylinder 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