done

[centennial]

done

[sbcfd]

Lube shoot repeat. Nice gun

[Barang]

Any lube will do but most people have their own preferred brand.

[9mmepiphany]

While you are free to use whichever lube you want, if you goal is to prolong the life of the rails on your alloy frame, I'd recommend that you use a grease that will stay in place, rather than an oil which will migrate.

Here is the definitive article on how to lube a SIG from the foremost SIG shop in the country

http://grayguns.com/lubrication-of-sig-sauer-pistol-rails/