1048 FULLY TRANSFERABLE, RARE, U.S. ARMAMENT CORP.

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[?]Live Online Auction Starts In 2026 Nov 06 @ 10:00 (UTC-04:00 : AST/EDT)
Category Firearms & Military
Auction Currency USD
Start Price 15,000.00 USD
Estimated at 30,000.00 - 50,000.00 USD
OERLIKON MK IV 20MM AUTO CANNON. Cal. 20MM. S# 12891. Bbl. 55". The Oerlikon 20mm Auto Cannon is a massive blowback operated machine gun chambered in 20x110mm with an average muzzle velocity around 2700 feet per second and a maximum firing rate of approximately 450 rounds per minute. The Oerlikon was utilized in several different configurations by multiple nations during WWII including the United States, Britain, Germany and even Japan. It eventually became regarded as the most effective anti-aircraft cannon of the period. It is typically mounted to a heavy deck mount though there were several lesser-known mounts that existed to adapt it to the particular mission necessary. Old war footage research will uncover numerous examples of twin gun mounts, with each gun firing from a dedicated left-side or right-side specific drum. As far as scenes in movies, depictions of the Oerlikon can be seen in the 1997 film "The Postman" as one is utilized to attack the fictional town of Benning, Oregon. Due to their historical significance and availability of military archival footage, they are most often featured in WWII locations in the Pacific Theatre, such as in the 2001 hit "Pearl Harbor". This example is marked as follows: U.S.ARMAMENT CORP / EPHRATA PA. / MKIV / SER. NO. 112891 / N.O.P. CENTER LINE" above a letter "W" in a circle, just forward of the magazine-well. Note: Consignor informed us he acquired this as a dewat, a likely Korean or WWII bring back that was registered during the 1968 amnesty. US Armament engraved as they reactivated it from the dewat status. Right side feed drum. While receiver is marked "U.S. Armament Corp" the NFA registry designates manufacturer as "Unknown" and Model as "MK2/4". MAGS: 1 steel 60 rd. to be fed from right side. UNATTACHED ACCESSORIES: Aftermarket MK 16 Mod. 9 style Naval deck mount, measuring 45" from deck to top. Gray painted. Spare set of side rails, lightly torch cut in area of chamber.. CONDITION: Parkerized finish complete & consistent w/ light discoloration over ejection port from prior de-milling, before rebuilding. Bore illustrates strong rifling w/ some fouling, appearing to be built up layers of cosmoline. Unable to function test fire control mechanism due to resistance of recoil spring. Both cocking and shoulder mechanisms are absent. NATIONAL FIREARMS ACT DESTRUCTIVE DEVICE REQUIRING BATF TRANSFER BEFORE TAKING POSSESSION. FULLY TRANSFERABLE. (03-2883/JZ). MODERN CLASS III. $30,000-50,000.