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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Sprocket for the Ammunition Booster on M6, XM16, and M16 A.S.S.
$4,444.00Sprocket for the Ammunition Booster on M6, XM16, and M16 A.S.S. The Sprocket for the Ammunition Booster on M6, XM16, and M16 A.S.S., identified by P/N 11687063 and package FSN 1005-070-0952, was used in the ammunition-feed equipment of U.S. Army...$4,444.00 -
20mm M39 Operating Spring Compression
$4,444.0020mm M39 Operating Spring Compression The 20mm M39 Operating Spring Compression is a compression-type spring associated with the operating mechanism of the M39 automatic aircraft gun. It supplied return force to the gun's operating slide as part of the...$4,444.00 -
20mm M39 Hand Charger Adapter
$4,444.0020mm M39 Hand Charger Adapter The 20mm M39 Hand Charger Adapter is a mechanical interface component associated with the hand-charging equipment for the M39 automatic aircraft gun. Its threaded tubular form provided a connection at the gun's charger...$4,444.00 -
H117-1AC Spring-Loaded Push-Button Rim Latch
$4,444.00H117-1AC Spring-Loaded Push-Button Rim Latch The H117-1AC Spring-Loaded Push-Button Rim Latch is a Hartwell aerospace access-hardware component designed to retain a door, hood, or removable panel. The item is manufacturer-stamped HARTWELL H117-1-AC and...$4,444.00 -
20mm M39 Gun Charger Slide Assembly
$4,444.00Nobles Gun Charger Slide Assembly P/N 11368, FSN 1005-512-0610 The Nobles Gun Charger Slide Assembly P/N 11368, FSN 1005-512-0610 is a U.S. military armament component manufactured by Nobles Engineering & Manufacturing Co. under Air Force contract AF...$4,444.00 -
20mm M39 Spring Operating Guide
$4,444.0020mm M39 Spring Operating Guide, P/N 8401755 The 20mm M39 Spring Operating Guide, P/N 8401755 is a rod-form internal component associated with the operating-spring system of the M39 20mm automatic aircraft gun. The guide’s head is visibly stamped...$4,444.00 -
Output Shoulder Shaft for M6 Armament Subsystem
$175.00Add a specialized piece of Vietnam War-era helicopter armament hardware to your collection with this Output Shoulder Shaft for the M6 Armament Subsystem, identified by Part Number 11699479 and supplied FSN 1005-922-8016. This is a military-surplus...$175.00 -
20mm Mk12 Drive Slide Guide Pin
$45.00U.S. Navy aircraft cannon history to your collection with this 20mm Mk 12 Drive Slide Guide Pin, identified by Part Number 938344 and NSN 1005-00-311-3326. This is a military-surplus component associated with the 20mm Mk 12 automatic gun family...$45.00 -
20mm M39 LH Cam Switch
$475.00Add a hard-to-find piece of Cold War aircraft cannon history to your collection with this 20mm M39 LH Cam Switch, identified by Part Number 8407806 and FSN 1005-525-7361. This is a specialized U.S. military-surplus component associated with the 20mm M39...$475.00 -
20mm M39 Spring Lock Retainer
$50.00This 20mm M39 Spring Lock Retainer, identified by FSN 1005-840-1812 and Part Number 8401812, is a specialized military-surplus ordnance component associated with the 20mm M39 aircraft cannon parts family. For collectors of U.S. military aircraft armament...$50.00 -
20mm M61 Vulcan Bolt Clamp
$55.00This 20mm M61 Vulcan Bolt Clamp, identified by Federal Stock Number 1005-715-9066 and Part Number 7790178, is a specialized military-surplus component associated with the 20mm M61 Vulcan aircraft gun system. Public parts references list P/N 7790178 as a...$55.00 -
XM21 Armament System Door Filler
$195.00This XM21 Armament System Door Filler, identified by FSN 1005-832-5811 and Part Number 11697556, is a specialized military-surplus component associated with U.S. helicopter armament support hardware. For collectors of Vietnam-era aviation equipment,...$195.00 -
Tripod for the M36 Radar Chronograph
$750.00This Tripod Assembly for the M36 Radar Chronograph is identified by Part Number 8213856 and NSN 1290-00-863-3194. For collectors of U.S. military test equipment, ordnance support accessories, radar chronograph components, and government-surplus...$750.00 -
7.62mm M134 / 40mm XM129 Sighting Station for XM28 Armament Subsystem on the AH-1G Attack Helicopter
$6,950.00This original 7.62mm M134 / 40mm XM129 sighting station is a scarce surviving component from the XM28 Armament Sub-System used on the Bell AH-1G Cobra, one of the most iconic attack helicopters of the Vietnam War. Purpose-built for the Cobra’s...$6,950.00 -
20mm M61 Vulcan Spring for SUU-23/A Gun Pod
$75.00This new old stock 20mm M61 Vulcan spring for the SUU-23/A gun pod is an original U.S. military surplus component associated with the 20mm Vulcan gun system used in the SUU-23/A external gun pod. Preserved as unissued new old stock, this is the kind of...$75.00 -
20mm M61 Vulcan Extension for SUU-23/A Gun Pod
$325.00#html-body [data-pb-style=EEP5EEN]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}This new old stock 20mm M61 Extension for the...$325.00 -
20mm M61A1 Vulcan Gear Clutch for SUU-23/A Gun Pod
$375.00This 20mm SUU-23 Gear Clutch is an original military-pattern component associated with the SUU-23/A 20mm gun pod, one of the best-known external gun pods of the Vietnam and Cold War era. Identified by Part Number 11699908 and FSN 1005-948-5320, this...$375.00 -
20mm M61A1 Vulcan Gear for the SUU-16 Gun Pod
$275.00#html-body [data-pb-style=G3FS5HM]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}This 20mm SUU-16 Gear is an original U.S...$275.00 -
20mm M39 Series Guide Track Front Left
$135.00This 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 alternate number 8401520 and FSN 1005-300-5355, it belongs to the feed assy group of the M39 family...$135.00 -
20mm M39 Series Top Link Chute Guide
$325.00#html-body [data-pb-style=VWAINQ6]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}This 20mm M39 Series Top Link Chute Guide is an...$325.00 -
20mm M39 Operating Slide Rammer Left Hand
$335.00This 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 aircraft autocannon developed during the early Cold War for high-performance American jet fighters...$335.00 -
13mm MG 131 WWII German Luftwaffe Machine Gun
$18,750.00Bring one of the Luftwaffe’s most important late-war aircraft weapons into your collection with this original restored display 13mm MG 131 German WWII machine gun. Developed by Rheinmetall-Borsig and introduced during the Second World War, the MG...$18,750.00 -
30mm Mark 108 German WW2 Luftwaffe Autocannon
$19,500.00Rare! Only two Avaliable... Bring one of the most recognizable aircraft cannon designs of the Second World War into your collection with this original restored display30mm Mark 108 German WW2 Luftwaffe Autocannon. Developed by Rheinmetall-Borsig and...$19,500.00 -
20mm M39 Operating Slide Cam Insert
$285.00Complete your U.S. aircraft cannon restoration with this specialized internal component. This 20mm M39 Operating Slide Cam Insert is an original military-pattern part for the M39-series 20mm revolver cannon, identified by Part Number 8401915 and NSN...$285.00 -
20mm M39 Ring Seal
$85.00#html-body [data-pb-style=L8GQBUV]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}Complete your U.S. aircraft cannon restoration...$85.00 -
20mm M39 Tube Latch Plunger
$185.00#html-body [data-pb-style=TETUNA8]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}Complete your U.S. aircraft cannon restoration...$185.00 -
20mm M39A2 Striker Extractor for Left Hand Feed
$325.00Add an original, hard-to-find U.S. aircraft cannon component to your collection or restoration project with this New Old Stock 20mm M39A2 Striker Extractor for Left-Hand Feed. This is an authentic surplus part from the M39A2 20mm revolver cannon family,...$325.00 -
20mm M24 Series Slide Receiver Right Hand
$175.00This item is sold as new old stock, meaning it was manufactured for service use but remained unissued. The original preservative coating and storage packaging are a major part of its appeal, showing that the part spent its life in protected 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 Subsystem, this chute unit served as a vital component in the...$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 Subsystem, one of the most iconic helicopter-mounted...$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 airborne platforms like the AC-130 gunship. Identified...$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 7226828 and National Stock Number (NSN)...$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 Subsystem, a helicopter-mounted weapon system developed during...$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 aircraft and naval autocannons. Assigned National Stock...$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 by part numbers 7771581 and 829469 and National Stock...$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. Identified by Part Number 7227771 and National Stock Number...$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 M24 series autocannons. These feeder winders were used...$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 conjunction with the M35 armament system. Identified by Part...$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 autocannons. These cannons were widely deployed aboard U.S...$18.50 -
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 identified by Part Number 7184397 and National Stock...$150.00