The Submachine Gun That Was Built Into a Briefcase
HK MP5K Operational Briefcase | By Firearms & Ammo | Facebook
HK Briefcase
Little Armory MP5K | Kusakusa Gunpla
Heckler & Koch - GREY ROOM PHOTO #4 The HK MP5K Firing Briefcase was designed for one-handed operation. Only a close observer will notice the handle does not fold and there is