Nuprol M4 140 Round Metal Mid Cap Magazine - Black
Nuprol M4 140 Round Metal Mid Cap Magazine - Black
Nuprol NEM-002-001 M4 30 / 140 Round Adjustable Metal Mid Cap Magazine - Black.
This Very popular M4 magazine by Nuprol fits a very wide range of M4 AEG's.
The magazine can be adjusted from 30 to 140 round capacity.