M4 Drum Mag 2300rds Auto-Winding

THE G&G M4 2300RDS MAKE IT EASIER FOR YOU.
THE AUTOMATIC WINDING SYSTEM MAKES IT EASY TO KEEP SHOOTING WITHOUT WINDING YOURSELF.
BATTERIES NOT INCLUDED, RECOMMENDED BATTERY 7.4 LIPO.

NOTE THAT WITH EVERY MAGAZINE IT CAN HAPPEN THAT THE BB'S DO NOT FEED PROPERLY ON A CERTAIN BRAND OF REPLICA.
THE ADVICE IS TO TRY A DIFFERENT BRAND OF MAGAZINE, IN ORDER TO SOLVE THE PROBLEM.