F5MFG Is Making 50 Rd Drum Magazines for Pistol Caliber Guns
F5mfg drum magazine wont lock into the K model. Any tips? : r/MP5
Matrix 2500rd Electric Auto Winding Drum Magazine for MP5 Series Airsoft AEG, Accessories & Parts, Airsoft Gun Magazines, Electric Gun Magazines, Drum Magazines - Evike.com Airsoft Superstore
X Products X-5 Drum Magazine for H&K MP5 | The long awaited X-5 drum magazine for the HK MP5 is here at last! This badass edition to the X Products drum family