Original U.S. WWII Navy Quad-Mount .50 Cal Gun Director Mk. 51 Mod. 3 with Gun Sight Mark 15 & Four Inert M2 Browning Display Machine Guns on Original Base - Dated 1944 U.S. Field Gear It bears serial number 8417

It bears serial number 8417 E on the barrel

The markings are 3LB 594 / 88 / MG FK

a picture of whom is included with this offering

The liner is a "high pressure" Korean War issue and stamped standard Korean War era markings: U

The A-11 movement is an 8/0 size: what does this mean

Original U.S. WWII Navy Quad-Mount .50 Cal Gun Director Mk. 51 Mod. 3 with Gun Sight Mark 15 & Four Inert M2 Browning Display Machine Guns on Original Base - Dated 1944 U.S. Field Gear It bears serial number 8417Original Item. One of a Kind. This is an outstanding display piece that will turn you into the envy of your neighborhood or your navy. This is an original World War II manufactured Navy Quad Mount Gun Director & Sight with four inert M2 Browning Display machine guns made with original parts. The guns were built using original WWII Type issue parts on BATF compliant non firing display receivers. The sideplates are destroyed and can never be restored.