Not quite the velocity you're looking for but found the following with Trail Boss, CCI primers, 55gr V-Max. Howa 1500/ 16" barrel, Sonic 45 suppressor.
8.5gr TB :1678fps av vel. 204fps ES, 105fps...
Type: Posts; User: woods223
Not quite the velocity you're looking for but found the following with Trail Boss, CCI primers, 55gr V-Max. Howa 1500/ 16" barrel, Sonic 45 suppressor.
8.5gr TB :1678fps av vel. 204fps ES, 105fps...