Autocannons / Rotary Guns / Armament Subsystems
Autocannon, Rotary Gun, and Armament Subsystem Parts
Explore parts and equipment associated with military autocannons, multi-barrel rotary guns, and integrated armament subsystems used on aircraft, armored vehicles, naval vessels, and fixed installations. This category covers barrels, breech components, bolts, feed mechanisms, ammunition-handling parts, drives, mounts, recoil components, controls, electrical assemblies, and related hardware. Armament subsystems may combine the weapon with its mounting, feed, drive, control, and sighting equipment. Any ammunition or explosive ordnance represented is inert or deactivated and intended for historical display, collecting, technical study, or restoration reference.
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20mm M61A1 Vulcan Gear for the SUU-16 Gun Pod
$275.0020mm M61A1 Vulcan Gear for the SUU-16 Gun Pod This 20mm SUU-16 Gear is an original U.S. military-pattern component associated with the SUU-16/A 20mm gun pod. Identified by Part Number 11010794,...$275.00 -
20mm M39 Series Guide Track Front Left
$135.0020mm M39 Series Guide Track Front Left This 20mm M39 Series Guide Track Front Left is an original military component for the M39-series 20mm revolver cannon. Identified here by P/N 8415453 with...$135.00 -
20mm M39 Series Top Link Chute Guide
$325.0020mm M39 Series Top Link Chute Guide This 20mm M39 Series Top Link Chute Guide is an original military component for the M39-series 20mm revolver cannon. Identified by Part Number 8407917 and FSN...$325.00 -
20mm M39 Operating Slide Rammer Left Hand
$335.0020mm M39 Operating Slide Rammer Left Hand This 20mm M39 Operating Slide Rammer (Left Hand) is an authentic U.S. military surplus part designed for the M39 revolver cannon, the well-known 20mm...$335.00 -
Out of stock
13mm MG 131 WWII German Luftwaffe Machine Gun
$18,750.0013mm MG 131 WWII German Luftwaffe Machine Gun Bring one of the Luftwaffe’s most important late-war aircraft weapons into your collection with this original restored display 13mm MG 131 German WWII...$18,750.00 -
30mm Mark 108 German WW2 Luftwaffe Autocannon
$19,500.0030mm Mark 108 German WW2 Luftwaffe Autocannon Rare! Only two Avaliable... Bring one of the most recognizable aircraft cannon designs of the Second World War into your collection with this original...$19,500.00 -
20mm M39 Operating Slide Cam Insert
$285.0020mm M39 Operating Slide Cam Insert Complete your U.S. aircraft cannon restoration with this specialized internal component. This 20mm M39 Operating Slide Cam Insert is an original military-pattern...$285.00 -
20mm M39 Ring Seal
$85.0020mm M39 Ring Seal Complete your U.S. aircraft cannon restoration with this specialized component that serious collectors and restorers know is often the hardest piece to track down. This 20mm M39...$85.00 -
20mm M39 Tube Latch Plunger
$185.0020mm M39 Tube Latch Plunger Complete your U.S. aircraft cannon restoration with a scarce original internal component using this New Old Stock 20mm M39 Tube Latch Plunger. This is an authentic U.S...$185.00 -
20mm M39A2 Striker Extractor for Left Hand Feed
$325.0020mm M39A2 Striker Extractor for Left Hand Feed Add an original, hard-to-find U.S. aircraft cannon component to your collection or restoration project with this New Old Stock 20mm M39A2 Striker...$325.00 -
20mm M24 Series Slide Receiver Right Hand
$175.0020mm M24 Series Slide Receiver Right Hand This item is sold as new old stock, meaning it was manufactured for service use but remained unissued. The original preservative coating and storage...$175.00 -
40mm M5 Armament Subsystem Chute Unit
$650.00Original 40mm M5 Armament Subsystem Chute Unit This is an original 40mm M5 Armament Subsystem Chute Unit, part number 11014424, offered in new old stock condition. Designed for the M5 Armament...$650.00 -
40mm M5 Armament Subsystem Gear Cluster Assy
$775.0040mm M5 Armament Subsystem Gear Cluster Assembly This original U.S. military surplus Gear Cluster Assembly (P/N 11014617, NSN 3020-00-755-4897) is a critical drive component from the 40mm M5 Armament...$775.00 -
105mm M102 Straight Headless Pin for AC-130 Applications
$95.00105mm M102 Straight Headless Pin This new old stock 105mm M102 Straight Headless Pin is a genuine U.S. military surplus component designed for use with the 105mm M102 howitzer system, as adapted for...$95.00 -
20mm M3 / M24 / Mk16 Cradle Mounting Plate
$325.0020mm Cradle Mounting Plate This new old stock 20mm Cradle Mounting Plate is an original U.S. military surplus component designed with the M3, M24, and Mk16 series cannons. Identified by Part Number...$325.00 -
40mm M5 Armament Subsystem Control Module Assy
$275.0040mm M5 Armament Subsystem Control Module Assembly This original 40mm M5 Armament Subsystem Control Module Assembly is a genuine U.S. military surplus component designed for the M5 Armament...$275.00 -
20mm M3 / M24A1 / Mk16 Series Rear Buffer Spacer Sleeve
$80.0020mm Rear Buffer Spacer Sleeve (P/N 7226787) This original new old stock 20mm Rear Buffer Spacer Sleeve (P/N 7226787) is a genuine U.S. military component designed for M3, M24A1, and Mk16 series...$80.00 -
20mm Mk12 Barrel Clamp Nut
$50.0020mm Mk12 Barrel Clamp Nut This new old stock 20mm Mk12 Barrel Clamp Nut is an original U.S. military surplus component used to secure the barrel assembly on the Mk12 aircraft autocannon. Identified...$50.00 -
20mm M24A1 / Mk16 Driving Spring Guide Retainer
$125.0020mm M24A1 / Mk16 Driving Spring Guide Retainer This original new old stock 20mm Driving Spring Guide Retainer component is used in the M24A1 aircraft automatic cannons and Mk16 riverboat guns...$125.00 -
20mm Feeder Winder Right Hand with Rod Assy
$1,250.0020mm Feeder Winder (Right Hand) with Rod Assembly This New Old Stock 20mm Feeder Winder (Right Hand) with Rod Assembly is a rare and authentic U.S. military surplus part specifically designed for the...$1,250.00 -
M35 Armament Subsystem Access Cover for AH-1 Attack Helicopter
$675.00M35 Armament Subsystem Access Cover This M35 Armament Subsystem Access Cover is a genuine U.S. military surplus component designed for the AH-1 Cobra attack helicopter, specifically used in...$675.00 -
20mm M24A1 / Mk16 Magazine Slide Backplate Screw
$18.5020mm M24A1 / Mk16 Magazine Slide Backplate Screw This new old stock 20mm Magazine Slide Backplate Screw is an original U.S. military component designed for use with the M24A1 and Mk16 aircraft...$18.50 -
20mm M39/M39A1 Autocannon Anvil Assembly
$275.00U.S. Military 20mm M39/M39A1 Automatic Aircraft Cannon Anvil Assembly, P/N 8413038 – Pontiac GM, 1955 This original U.S. military Anvil Assembly, part/drawing number 8413038, was manufactured as a...$275.00 -
20mm M39 Guide Link Left Hand
$150.0020mm M39 Guide Link (Left Hand) Offered here is a new old stock 20mm M39 Guide Link (Left Hand), an original U.S. military surplus component for the M39 aircraft revolver cannon. This guide link is...$150.00 -
20mm M39 Operating Slide Rammer Right Hand
$335.0020mm M39 Operating Slide Rammer (Right Hand) This new old stock 20mm M39 Operating Slide Rammer (Right Hand) is an authentic U.S. military surplus part designed for the M39 revolver cannon, a widely...$335.00 -
20mm M24A1 Gas Cylinder Plug
$175.0020mm M24A1 Gas Cylinder Plug This new old stock 20mm M24A1 Gas Cylinder Plug is an authentic U.S. military spare part designed for use with the M24A1 automatic aircraft cannon, a variant of the M24...$175.00 -
20mm M3 Thread Protector Sleeve
$250.0020mm M3 Thread Protector Sleeve This new old stock 20mm M3 Thread Protector Sleeve is a genuine U.S. military surplus part designed for the 20mm M3 aircraft automatic cannon—a widely used armament on...$250.00 -
20mm M24A1 / Mk16 Rear Buffer Sleeve
$325.0020mm Rear Buffer Sleeve P/N A25565 / 5025565 | FSN 1005-502-5565 Original U.S. Ordnance Component for Aircraft Weapon Systems This is an original Rear Buffer Sleeve for the 20mm M24A1 Automatic Gun...$325.00 -
Special Purpose Cable Assembly for 20mm Vulcan on F-4 Phantom
$2,650.00Special Purpose Cable Assembly NSN: 1005-00-906-0806 / 6150-00-906-0806 Genuine U.S. Military Surplus | Aircraft Armament Electrical Connector Assembly This is a Special Purpose Cable Assembly...$2,650.00 -
20mm M39 Revolver Cannon Gear Box Motor
$1,875.0020mm M39 Revolver Cannon Gear Box Motor P/N JFB-D300-2 | NSN 1005-00-211-8328 | FSN 1005-211-8328 U.S. Military Surplus | Rare Aircraft Cannon System Component Offered here is a 20mm M39 Revolver...$1,875.00 -
20mm M39 Revolver Cannon Cam-Extractor
$165.00Cam-Extractor for the 20mm M39 Revolver Cannon Genuine U.S. Military Surplus | For Aircraft-Mounted Autocannons Offered here is an original Cam-Extractor for the 20mm M39 Revolver Cannon, available...$165.00 -
20mm M39 Cam Switch Right Hand
$325.0020mm M39 Cam Switch (Right Hand) Original U.S. Air Force Surplus Component – For M39 Aircraft Revolver Cannon This new old stock 20mm M39 Cam Switch (Right Hand) is a genuine U.S. military surplus...$325.00 -
20mm M39 Cartridge Ejection Chute Side
$375.00NOS M39 Side Cartridge Ejection Chute Original U.S. Air Force Surplus – Cold War Era Aircraft Armament Component Available now is a new old stock (NOS) side cartridge ejection chute for the 20mm M39...$375.00 -
20mm M39 Cartridge Ejection Chute Rear
$375.00Cartridge Ejection Chute – Rear Original U.S. Air Force Surplus – M39 Revolver Cannon Ejection Chute Component with Light Surface Rust Offered for sale is a rear cartridge ejection chute for the 20mm...$375.00 -
20mm Gas Cylinder Spring for Guns M3, M24, M24A1, Mk12, Mk16
$125.0020mm Gas Cylinder Spring Now available is a new old stock (NOS) 20mm Gas Cylinder Spring, a critical internal component for a variety of U.S. military 20mm autocannons, including the M3, M24, M24A1,...$125.00 -
Recoil Adapter Sub Assembly for M6 7.62mm M60 Amament Subsystem
$475.00Recoil Adapter Sub-Assembly Genuine U.S. Military Surplus – Vietnam War Era Helicopter Armament Component Recoil Adapter Sub-Assembly in new old stock (NOS) condition, designed specifically for the...$475.00 -
Control Panel Cover Assembly for UH-1D / CH-47A 7.62mm M6 Armament Subsystem
$275.00New Old Stock (NOS) Control Panel Cover Assembly Offered here is a New Old Stock (NOS) Control Panel Cover Assembly designed for the M6 7.62mm Armament Subsystem used aboard the UH-1D "Huey" utility...$275.00 -
20mm M61 Vulcan Housing Cover
$875.00New Old Stock (NOS) 20mm M61 Housing Cover Offered here is a New Old Stock (NOS) 20mm M61 Housing Cover, a critical component for the M61 Vulcan used across a wide range of U.S. Air Force and Army...$875.00 -
40mm M75 Recoil Rod Assy for M5 Armament Subsystem
$375.00Recoil Rod Assembly for the M5 Armament Subsystem Now available is an original Recoil Rod Assembly for the M5 Armament Subsystem, in New Old Stock (NOS) condition. Manufactured under Part Number...$375.00 -
23mm GSh-23 Soviet Cold War Era - Modern Era Twin Barrel Aircraft Autocannon
$25,000.0023mm GSh-23 Soviet Cold War Era - Modern Era Twin Barrel Aircraft Autocannon A rare inert Soviet aircraft cannon is now available for sale: the 23mm GSh-23 Soviet Cold War Era - Modern Era Twin...$25,000.00