First Factory Picatinny Rear Stock Base for Marui NGRS MP5A5/ VFC MP5A5 Gen 2 GBB

First Factory Picatinny Rear Stock Base for Marui NGRS MP5A5/ VFC MP5A5 Gen 2 GBB Metal Construction Design For Mount Picatinny rail stocks or sling mounts uitable For Tokyo Marui NGRS MP5A5/ VFC MP5A5 Gen 2 GBB Rifle Airsoft Guns