What’s the difference between the new and old Sig Classic Trigger Bar Springs?
In message boards, we have seen questions about if the new style of trigger bar spring can be used on the old style of guns.
In Filming the Sig Classic Series we point out the difference between the old and new style of trigger bar springs and that they install exactly the same. However, the question can the old and new style of Sig Classic Trigger Bar Springs be used interchangeably still remains.
Since time is limited in our videos we figured that we would answer that question here.
The answer is “it depends”. The problem is not so much of will it work in the gun. Yes, it will. The problem lies in the grips. Since the P226 in the video is a loaner we could not make modifications to the old style of grips to see if we could make it work.
If you look at the picture to the right of the back side of the old style of grip (grip to the left) and the new style of grip (grip to the right). There is an area that has been cut out to fit over the Sig Classic Trigger Bar Springs is the area above and to the left of the top screw hole.
You can see a difference in the area that has been cut out to fit over trigger bar spring. The new style of the Sig Classic Trigger Bar Springs requires much more area to be cut out to fit over the coil that Sig put into the new spring. This logically tells you that if you use the new style of spring you will need to use the new style of grips (or possibly modify your existing grips).
Just to test this theory we put a new style of spring on the gun and then tried to install the old style of grip on top and this is what we ended up with. As you can see there is not enough clearance in the spring to attach the grip to the frame.
Hopefully, this will answer a few questions that people may have out there on both styles of Sig Classic Trigger Bar Springs.
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As always, remember firearm safety and treat all firearms with respect.