Glock 17 Gen 4 Co2 Magazine 18rds

the Glock 17 Gen 4 co2 magazine is a metal-made magazine.
The magazine is specially made for the certified Glock and fits the Glock 17 gen 4 co2 replica.

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.