The MK19 40mm machine gun is an air-cooled ... It can fire a variety of 40mm grenades. The M430 HEDP 40mm grenade will pierce armor up to two inches thick, and will produce fragments to kill ...
The result? RAMBO — Rapid Additively Manufactured Ballistic Ordinance — a 40mm grenade launcher. Fitting name, no? Virtually the entire gun was produced using additive manufacturing while some ...