Hey boys,

I have a new HK45C, and after the first range session, I detail stripped it, cleaned it up, applied light EP moly grease to everything that moves, and reassembled. The DA trigger pull got a little gritty.

I know we have a lot of Sig trigger experts here, so what say you: how should I lubricate the trigger parts? Hammer, sear, trigger bar, etc. Grease? Oil? CLP? Nothing?

I use a light coating of grease anywhere two surfaces will be rubbing against each other (except firing pin and channel) and a oily cloth to wipe down exterior surfaces. If I have cleaned the firing pin/ channel, I'll apply a light coating of oil then wipe it off so only a very thin film remains.

SIG used to say to lube with oil in the armorer's class. After a short period of time, the oil will migrate and leave parts dry. That's why I lube all my pistols as indicated above.

I typically see grease from the factory, and not the protective sticky stuff, actual lube grease. So I try to use grease, but usually can't access everything easily. So I'm content with a drop of oil, working it in, and dabbing away any excess.

But you are talking about an HK, which aren't known for great triggers.

Ended up detail stripping it, wiping everything clean, then giving it all a super thin coat of Lithium grease. Nice & smooth now. Thanks boys.