I'm a big Stryker fan, have a number of them so was a little unsure about a Stryker in drop point, and less so about the Nitrous mechanism. I'd tried a 670 Optimizer model and hated the stiff A/O function, opting out for the manual (bar removed) choice.
Since, I now own both 913 and smaller 907 models and absolutely love how well the Nitrous mechanics work. First, I love Benchmade's D2, and as I live inland in a dry environ, have had no issues with rust. Second, the difference in designs between the Optmizer and Nitrous (IMO) designs are like night and day.
On the 913, I sent it to a friend who (yes) disassembled the knife, buffed all mating surfaces and washers with 6000 grit material, and then did a thorough Militec treatment on all the metal parts.
As a result of this, it's as smooth as any of my autos, and also is a lot quieter as it opens.
On the 913, I've done nothing but lube it with Tuf-Glide and worked the mechanism a few hunderd times and it's very smooth, although there are small differences between full and mini, the main on the 907 being the blade's thinner and lighter, so it pops almost as fast as the 913.
Also the G-10 on the 907 is tackier and not as slick as on the 913's, looks like a new formula was added to the newer 907.
The short version: Get one, they're really great! :thumbup: