20mm Ammunition
Inert 20mm Army / Air Force Ammunition
Explore inert 20mm ammunition associated with military aircraft cannons, rotary guns, anti-aircraft weapons, and ground-based autocannons. This category covers collectible cartridges, projectiles, casings, and related display components representing prominent 20mm weapon families and their development across multiple eras.
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20mm Vulcan M103 Unfired Casing
$60.0020mm Vulcan M103 Unfired Casing Inert, unfired 20mm M103 cartridge case for use with the M61 Vulcan cannon. Caliber is 20x102mm. Approximate Dimensions: 4 inches long and 1 inch wide. Photos are...$60.00 -
20mm PGU 30 A/B Target Practice Tracer Projectile
$35.00INERT 20mm PGU 30 A/B TPT projectile for Vulcan Gatling Gun. 20x102. Approx length 3", Approx width 1". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving...$35.00 -
20mm NAVY Mk105 Mod 1/Mk11 Mod 1 Target Practice Projectile
$50.00INERT 20mm NAVY Mk105 Mod 1/Mk11 Mod 1 TP projectilee. 20x110. Approx length 3.25", Approx width .75". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving...$50.00 -
20mm Hispano-Suiza M96 incendiary projectile
$75.00INERT 20mm Hispano-Suiza M96 incendiary projectile. 20x110. Approx length 3", Approx width 1", Approx weight .5 lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not...$75.00 -
20mm Mark 4 Oerlikon Cutdown Brass Cartridge Case
$25.00Inert 20mm Mark 4 Brass Cartridge Case for the 20x110mm Oerlikon Cannon Item Overview This inert 20mm Mark 4 brass cartridge case represents the fixed ammunition used with the Oerlikon antiaircraft...$25.00 -
20mm MK187 Fired Case
$50.00INERT 20mm MK187 fired case. 20x139. Approx length 5.5", Approx width 1", Approx weight .5 lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact...$50.00 -
20mm Vulcan M55A3 Target Practice Projectile
$32.00INERT 20mm Vulcan M55A3 TP (Target Practice) projectile. 20x102. Approx length 3", Approx width .75". Pictures are stock images of INERT 20mm Vulcan M55A3 TP (Target Practice) projectiley. Unless...$32.00 -
20mm Vulcan M103 Fired Casing
$35.00INERT 20mm Vulcan M103 fired case for use in Vulcan cannon. 20x102. Approx length 4", Approx width 1". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving...$35.00 -
20mm NAVY Mk11 Mod0 High-Explosive projectile
$75.00INERT 20mm NAVY Mk11 Mod0 projectile for Mk11 and 12. 20x110. Approx length 4", Approx width 1". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the...$75.00 -
20mm Vulcan M51E8 Dummy Round
$50.00INERT 20mm Vulcan M51E8 dummy round. 20x102. Approx length 7", Approx width 1". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in...$50.00 -
20mm Vulcan M51A2 steel drill round
$35.00INERT 20mm Vulcan M51A2 steel drill round. 20x102. Approx length 7", Approx width 1". Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item...$35.00 -
20mm Hispano-Suiza M95 Armor Piercing-Tracer projectile
$75.00INERT 20mm Hispano-Suiza M95 Armor Piercing-Tracer projectile. 20x110. Approx length 3", Approx width 1", Approx weight .5 lbs. Pictures are stock images of our inventory. Unless otherwise noted, you...$75.00 -
20mm M3 Link
$12.0020mm M3 Link. 20x110. Approx length 2.5", Approx width 1.5", Approx weight .5 lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown...$12.00 -
20mm M139 Link for M139 Cannon
$15.0020mm M139 link for M139 Cannon. Approx width 3", Approx length 1.5", Approx weight .5 lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item...$15.00 -
20mm M10 link
$12.0020mm M10 Link for M1, M2, M3, M24, and Mk16 Autocannon Ammunition (20x110mm Hispano) Appx length 2.5", Appx width 2", Appx weight .5 lbs. Pictures are stock images of our inventory. Unless otherwise...$12.00 -
20mm M22E1 link
$13.0020mm M22E1 link for use with linkless feed system on M61A1 Vulcan. 20x102. Approx length 4", Approx width 2", Approx height 2". This item is new/old stock but may have some storage and handling wear...$13.00 -
20mm M14A1 Disintegrating Metallic Link
$12.00 - $30.0020mm M14A1 Disintegrating Metallic Link – Compatible with M61 Vulcan Gatling Gun Enhance your collection of U.S. military ordnance accessories with the 20mm M14A1 Disintegrating Metallic Link, the...$12.00 - $30.00 -
20mm Mk7 Mod 1 Disintegrating Metallic Links- Parkerized Steel
$12.00 - $30.0020mm Mk7 Mod 1 Disintegrating Metallic Links – Parkerized Steel – For 20mm M61 Vulcan Rotary Cannon Complete your aviation ordnance collection with authentic 20mm Mk7 Mod 1 Disintegrating Metallic...$12.00 - $30.00 -
20mm MK2 Mod 0 Disintegrating Metallic Link
$12.00 - $30.0020mm MK2 Mod 0 Disintegrating Metallic Link – For U.S. Navy Mk 12 Aircraft Cannon Add an essential piece of Cold War–era naval aviation history to your collection with the 20mm MK2 Mod 0...$12.00 - $30.00 -
20mm High Explosive Incendiary Hispano-Suiza Round with Brass Case
$175.0020mm Display Round with Hispano-Suiza 20x110mm Brass Case and M61 Vulcan 20x102mm Projectile – Hispano-Style Color Codes This 20mm display round combines a Hispano-Suiza-pattern 20x110mm brass...$175.00 -
20mm M18A3 Drill Round Sealed Spam Can
$275.00 - $1,650.00New old stock 20×110mm Hispano M18A3 Drill Rounds Now available on Ordnance.com: an exceptional offering of new old stock 20×110mm Hispano M18A3 Drill Rounds, each sealed in its original...$275.00 - $1,650.00 -
20mm Mk149 Armor-Piercing Discarding-Sabot projectile
$79.00Inert 20mm Mk149 Armor-Piercing Discarding-Sabot projectile Inert 20mm Mk149 Armor-Piercing Discarding-Sabot projectile, for use in the 20mm M61 and M197 electric rotary Gatling guns. This 20mm Mk149...$79.00 -
20mm Exercise Training Round Rh-202 HS.820
$135.00Inert exercise / training round Inert exercise / training round used in the Rheinmetall Mk 20 Rh-202 or HS.820. This 20x139mm casing is made of plastic and has a steel base. The Rheinmetall Mk20...$135.00 -
20mm Drill Round Rh-202 HS.820
$155.00Inert drill round Inert drill round used in the Rheinmetall Mk 20 Rh-202 or HS.820. This 20x139mm casing is made of steel and is in good condition. The Rheinmetall Mk20 Rh-202 is a 20mm autocannon...$155.00 -
20mm Dummy Round Rh-202 HS.820
$75.00Inert dummy round Inert dummy round used in the Rheinmetall Mk 20 Rh-202 or HS.820. This 20x139mm casing is made of steel and is in good condition. The Rheinmetall Mk20 Rh-202 is a 20mm autocannon...$75.00 -
20mm German/US Armor Piercing Discarding Sabot Tracer Round
$325.00Inert 20mm German made, Dutch / United States export, armor-piercing discarding-sabot tracer round Inert 20mm German made, Dutch / United States export, armor-piercing discarding-sabot tracer round...$325.00 -
Out of stock
20mm Target Practice Round 20x139mm inert shell ammunition
$165.00Inert 20mm target-practice round Inert 20mm target-practice round. This 20x139mm casing is made of steel and is in good condition. Approx length 8.4" Pictures are of the actual item you will receive...$165.00 -
20mm Hispano Suiza M18A3 Drill Round, 25 Round Belt
$250.0020mm Hispano Suiza M18A3 Drill Round, 25 Round Belt Inert 20mm Hispano Suiza dummy ammunition 25 round belt. 25 belted rounds of the US 20x110mm Hispano-Suiza M18A3 drill round for use in function...$250.00 -
20mm Mark 244 Enhanced Lethality Armor Piercing Discarding Cutaway Round With M103 Brass Case
$350.00Inert 20mm Mark 244 Enhanced Lethality Armor Piercing Discarding Cutaway Round With M103 Brass Case. 20x102mm for M61 Vulcan, M39, M197. Approx length 6.5", Approx width 1", Approx weight .5lbs...$350.00 -
20mm Mark 149 Armor Piercing Discarding Cutaway Round With M103 Brass Case
$300.00Inert 20mm Mark 149 Armor Piercing Discarding Cutaway Round With M103 Brass Case. 20x102mm for M61 Vulcan, M39, M197. Approx length 6.5", Approx width 1", Approx weight .5lbs. Pictures are stock...$300.00 -
20mm M103 Vulcan Casing Base Encapsulated with Commemorative Plaque
$250.00Historical Significance: The 20mm M103 casing is associated with the M61 Vulcan, a 20mm hydraulically or pneumatically driven, six-barrel Gatling-style rotary cannon that has been a staple in U.S...$250.00 -
Out of stock
20mm Armor Piercing Hyper Velocity Round
$260.0020mm Armor Piercing Round. 20x139mm. Approx length ", Approx width ", Approx height ", Approx weight lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving...$260.00 -
Out of stock
20mm Armor Piercing Discarding Sabot Tracer Round
$250.0020mm Armor Piercing Discarding Sabot Round. 20x139mm. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures...$250.00 -
20mm M246 High Explosive Tracer Round
$175.00INERT 20mm M246 High Explosive Tracer Round. 20x102 Vulcan. Approx length 7", Approx width 1", Approx height ", Approx weight .5lbs. Pictures are stock images of our inventory. Unless otherwise...$175.00 -
20mm Armor Piercing Discarding Sabot Round
$250.00INERT 20mm Armor Piercing Discarding Sabot Round. 20x139. Approx length 8", Approx width 1", Approx weight .5lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be...$250.00 -
Out of stock
20mm Dummy Round
$95.00INERT 20mm Dummy Round. 20x139 for HS820 gun. Approx length 9", Approx width 1", Approx weight .7lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the...$95.00 -
20mm Dummy Rounds
$85.00 - $185.00INERT 20mm Dummy Rounds. 20x139mm. Round #1 HE Projectile? Unfired Case Round#2 HE Projectile? M187 Case Round #3 Solid steel INERT Projectile Dummy Case with link Round #4 HE practice...$85.00 - $185.00 -
20mm M75 Armor Piercing Tracer Projectile
$75.00INERT 20mm M75 Armor Piercing Tracer Projectile. 20x110 Hispano Suiza. Approx length 3.25", Approx width .25", Approx weight .4lbs. Pictures are stock images of our inventory. Unless otherwise noted,...$75.00 -
20mm Mark 2 Fired Brass Cartridge Casing (Used in The Movie Greyhound)
$100.00INERT 20mm Mark 2 Fired Brass Cartridge Casing (used in the movie Greyhound). 20x110RB Approx length 4.5", Approx width 1", Approx weight .3lbs. Pictures are stock images of our inventory. Unless...$100.00 -
20mm Mark 2 Fired Brass Cartridge Casing
$45.00INERT 20mm Mark 2 Fired Brass Cartridge Casing. Approx length 4", Approx width 1", Approx weight .3lbs. Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving...$45.00