First is this a tang safety or a 3-position???

With my tang safety, I did a trigger job before it came home...Pillar bedded after about 15 years...After 20 years or so even put a 24 inch Shilen barrel in her...

There are 3 screws that you remove to take off the barrel...
The front screw, tighten first and it should be tighten good and snug with a larger screwdriver...The second (in front of trigger guard) you tighten less than the front and the one in the rear of the trigger guard less than the second...It sounds strange, but I have taken mine down several times for a good cleaning and have never torqued a gun screw...

I grew up as a mechanic and just tighten until I know it's right...

What I would question about tightening all 3 screws the same...Why is the front screw so much bigger than the rear two??