MP5 (Marui Next Gen) High Precision Ø6.03 x 228mm Ver.1 Inner Barrel

This brass 228mm long and Ø6.03mm internal diameter high precision inner barrel fits MP5 (Marui Next Gen) with Version 1 Hop-up Bucking.  It increases shooting accuracy and range.

Please see the photo regarding the shape of the Version 1 Hop-up area at inner barrel.

This barrel fits Version 1 Hop-up bucking but does NOT fit Version 2 Hop-up Bucking.

All products are made for airsoft only.  They are not made for real steel firearms.