FWIW, I was messing around with a 92FS Compact and a Wolff hammer spring assortment a few months ago. This was a new gun, with less than 100 rounds fired, and not much dry fire on it.
Here are the resulting trigger pull weights, as measured by a Lyman digital gauge:
Mainspring..........SA pull.................DA pull
OEM .................... 5.5 lb .............. approx 13 lb. (exceeded gauge range)
19 lb/in ............... 5.2 lb ............... 12 lb
18 lb/in ............... 5.1 lb ............... 11.5 lb
17 lb/in ............... 5.0 lb ............... 11.1 lb
16 lb/in ............... 4.6 lb ............... 10.4 lb
After lightly dressing the sear (i.e. just enough to clean off the machine marks, and not changing any geometry), and hammer sides (not the sear hooks!), I reinstalled the 18 lb/in spring. DA measured 11.2 lb, and SA 4.6 lb.
I’ve since replaced the 18# with a “D” mainspring, and swapped in a factory metal trigger in place of the plastic one.
After more dry fire, it measured at what I consider a very sweet 8.3 lb DA, and 4.2 lb SA.
The slide is currently at Wilson's, awaiting a "G" conversion and a rear sight.
Last edited by Dave J; 11-07-2015 at 01:29 AM. Reason: table formatting
I've had really good success with the Wolff 13lb mainspring in my Centurion Turkish clone. No light strikes at all through a variety of ammo. Also, if you are polishing parts don't for get the trigger bar. Polishing the contact points, underside of the flats, pin and rear contact points. I did that and the other parts mentioned above and it made a huge difference on my Turkish gun.
Good info Dave.
So, I was getting ready to swap out the D spring in my Brig Tac for a spare 14# I have laying around, and I noticed that my barrel appears to be shorter than others. Not being sure exactly how they're measured, I haven't measured it. Either way, I don't mind it, actually really like it, but it seems shorter. What do you think?
The Minority Marksman.
"When you meet a swordsman, draw your sword: Do not recite poetry to one who is not a poet."
-a Ch'an Buddhist axiom.
Brig Tac is essentially a G-SD with a rounded trigger guard.
Likes pretty much everything in every caliber.
Thanks for the info. So only the G-SD "may" work, that's what I'll look for.
Any input on the barrel length pictures I posted above?