![[Systema] Replacement Piston Shell [For SYSTEMA PTW M4 Series]](http://www.asiaairsoft.com/cdn/shop/products/9932__Systema__Replacement_Piston_Shell__For_SYSTEMA_PTW_M4_Series_1_1024x1024.jpg?v=1629099557)
![[Systema] Replacement Piston Shell [For SYSTEMA PTW M4 Series]](http://www.asiaairsoft.com/cdn/shop/products/9932__Systema__Replacement_Piston_Shell__For_SYSTEMA_PTW_M4_Series_1_480x480.jpg?v=1629099557)
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