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20-MM X 139 Blank
- Thread starter jvollenberg
- Start date
I came across these pictures.
The round is loaded with the projectile out of the case. When chambered into the MPG device, the "projectile" is pressed into the case. The star crimp opens when fired and the assembly is ejected.
Quite an interesting round.
The round is loaded with the projectile out of the case. When chambered into the MPG device, the "projectile" is pressed into the case. The star crimp opens when fired and the assembly is ejected.
Quite an interesting round.
