Flashlarue Posted October 31, 2022 Share #1 Posted October 31, 2022 The 20mm casing is steel but may not go with the projectile. I am wondering if the gun that fired the projectile can be identified by the lands and groves? There are 15 on the round. Link to comment
Teamski Posted November 4, 2022 Share #2 Posted November 4, 2022 Looking around the internet, it looks like you have a early 20mm M55 shell with a M103A1 casing. This round was ultimately used with the Vulcan 20mm gun. I am not sure how early your round is. -Ski Link to comment
atb Posted November 4, 2022 Share #3 Posted November 4, 2022 That would be a tough one to wear as an SSI! Link to comment
joeclown Posted November 4, 2022 Share #4 Posted November 4, 2022 Some people are pretty strong but attaching it would be the problem Link to comment
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