10% micro grain premium quality carbide end mills. Uncoated, Controlled Cylindrical Land, sharp corner, and center cutting. 3/4" length of cut, 4" overall length. Our tool's correct Radial Rake insures end teeth strength. Engineered  for Aluminum high speed milling applications

Brand: RSI

Part Material: Carbide

Type: 80% Tooling Country/Region of Manufacture: United States MPN: 80%-AC-250-3-5

For Gun Make: 80% Lower Compatible Caliber: .223