I just bought a critical trigger off of the nation, and unfortunately it doesn't fit in my 2k5 frame. Is my frame messed up or are there different types of these triggers? I thought criticals were a universal fit. Here are some pictures showing whats up:
Here is the critical. As you can see the ball bearing and surrounding metal are just slightly too wide to fit in the frame
The same is true with this other critical
Here is my assassins trigger to show you a correct fit.