- Joined
- Jan 31, 2012
- Messages
- 4,704
My 566 has a very strong detent. I've had it for almost a week now, and the first day it would not budge using the thumb studs (assisted), but with the blade protrusion/flipper it fired really well. I desisted it for a few days and then put the torsion bar back in to give it a fair chance. The lock up is very strong and the frame lock even today is still very stiff to disengage. I've been cycling it open and closed often and its smoothed out a great deal, but the frame lock is still way stronger than my brand new (just arrived today) 550. I'm wondering if its an attribute of the stainless frame lock over that of a titanium??? Either way, this is a great knife in the perfect size and form factor for EDC use.
Those aren't really thumb studs, they are blade stops.