The gas block of the RT-20 has a serial number (154) marked on it, which is visible during inspection.

factualpending

Speaker

Ian McCollum

Evidence Quote

The only marking on here is this serial number, 154, on the gas block.

Source

RT20: Croatia's Insane Kludged 20mm Anti-Materiel RifleForgotten Weapons
Created: 8/13/2026, 7:43:37 AM

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