Our take: The Marushin M1 Carbine 15rd 6mm CO2 Magazine works only with the Marushin CO2 M1 Carbine. This magazine can hold up to 15 rounds and is very durable.
NOTE: To maintain this CO2 magazine, make sure to properly lubricate the rubber seals with 100% silicon oil.
Construction: Full Metal
Compatibility: Marushin CO2 M1 Carbine
Package includes: 15rd CO2 Magazine