1911 barrel holes on CNC milling machine – Barrel Porting
Putting two 3/16″ holes in a 1911 barrel for an open division race gun. .125″ carbide 2 flute straight spot drill at 3050 RPM and 3.2IPM plunge 3″16″ ball end mill at 3000 RPM and 4 IPM plunge Done on my CNC RF45 mill and programmed with HSMWorks. Background commentary since my last time around […]