I'd be leery of using a spray-on coating out of an aerosol can. The problem with it is that you can't control the flow or the thinckness of the finish, and may end up with a mess.
For a little more work, I might suggest a parkerizing kit. I am about to try one made by these folks:
http://www.adventec.com/index.html
------------------
D. Kamm
USGI M1911/M1911A1 Pistols Website
http://www.geocities.com/M1911_M1911A1
For a little more work, I might suggest a parkerizing kit. I am about to try one made by these folks:
http://www.adventec.com/index.html
------------------
D. Kamm
USGI M1911/M1911A1 Pistols Website
http://www.geocities.com/M1911_M1911A1