Prometheus stock conversion connector for Marui next. gen. M4 rifle (tan)

Move your Marui SRE rifle from standard Nimh to LIPO type Battery!
The amazing set no need to cut or modify your original stock shape
the stick lipo battery can be inserted aside of the sopmod o vltor stock
set includes:

-hi current drain metal bars
-fuse box and wires with mini tamya connector
-abs anti short circuit cover
-New shaped stock pad cover

ATTENTION! The set can only works with sopmod or vltor stocks (no hk416)