<font face="Verdana, Arial" size="2">can I use this degreaser on my gun too?</font>
Probably. It depends on what materials your gun has. If it's just metal and plastics (an unadorned Glock, for example) then yes, it should be safe. If you have grips made of exotic wood, MOP, etc., well, you might want to take those off. I use Electrowash, the same product I use on my balisongs, on my guns, though I use Windex in the board and inside the slide first (At one of the ranges I've used, there's a big bottle of Dawn dishwashing liquid. It's the best thing for getting powder residue off of your hands. The secret ingredient in Dawn dishwashing liquid is ammonia, that's why Dawn is the only dishwashing soap strong enough for Bachelor Cooking! Anyway, I asked myself, I ask, "Self, if Dawn get's the stuff off your hand, then why wouldn't a ammoniated cleaner work well on the gun too?" A friend of mine then recommended what he said was an excellent gun cleaning product except for the strong smell. I took one whiff and knew: Ammonia. So, I tried Windex, which also contains Ammonia, and it works great. So, my process is to wash everything down with Windex, rinse out with Electrowash, and then apply Militec-1.).
<font face="Verdana, Arial" size="2">would I have to warm the gun parts before application of the Militec</font>
Heating helps the Militec-1 process, but is not necessary. Their website points that out. Go ahead and lube your gun.
Another option would be to put the metal parts of your gun into an oven heated to maybe 150 degrees (this is not going to damage the metal of your gun in any way) for maybe ten or fifteen minutes before applying the Militec-1.
Even the plastics used in good guns shouldn't have any problem with 150 degrees. Heck, it can get that hot inside a car in the hot sun in many places, so your gun had better be able to withstand such temperatures, which really aren't that warm. A good sauna is about 200-220 and I'd hope that the plastics used on a gun wouldn't have any problem going to any temperature that I can go to. A good manufacturer would surely choose materials that can withstand any temperature that its owner might. So, go ahead and put the gun (unloaded, of course, let's not take any chances here) into the preheated oven (some ovens turn on the broiler element during preheating to speed the process up and we don't want to broil your gun, so preheat the oven before putting the gun into it) at 150 for fifteen minutes before applying the Militec-1 to it. Prefect.
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Chuck
Balisongs -- because it don't mean a thing if it ain't got that swing!
http://www.balisongcollector.com