Systema Barrel Set for Systema PTW (M16 A2/A3 Model) 6.04mm

Systema Barrel Set for Systema PTW (M16 A2/A3 Model) 6.04mm Metal Construction Suitable For Systema M16 A2/ A3 PTW Series AEG Rifle With 6.04mm inner diameter High precision Inner Barrel ( 10mm thick ) Come With Hop-Up Assembly