Anzio 20mm Anti-Materiel Rifle disassembled, with its barrel, pod, handgrip and ammo in portable suitcase
Dave Armstrong - SOF Weapons Section, Crane Division, Naval Surface Warfare Center, Small Arms Weapons Systems Division, Joint Weapons Engineering Branch, Joint Special Operations Response Department
<a rel="nofollow" class="external text" href="http://www.dtic.mil/dtic/tr/fulltext/u2/1008961.pdf">Enhancing Small Arms Effectiveness in Current and Future Operations</a>, Page 7 (397)