About to Drill and Tap 03 receiver for Warner & Swasey Scope

[Chuckindenver]

wow, alot of miss information.
no, they dont need to be heated or annealed,
using a good quality drill rod {carbide steel} and a mill , taking time to set up the action.
hard to do on its side.
iv drilled hundreds of 1903s. and have yet to use any heat to to get it done.