M249 Boxmag 1200rds

THE M249 Boxmag 1200rds is a metal made magazine that IS SUITABLE FOR MOST M249 Replicas.

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.