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recoilless
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20mm Recoilless M55
I am looking for any information on an American project for a 20mm recoilless weapon, I believe designated the M55. This would have looked very much like the 20x102mm round that we are all familiar with except there would have been many small holes on the sides of the case, again as we are...- AmmoResearch
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- 20mm m55 recoilless
- Replies: 3
- Forum: Experimental Munitions