I've been over to Reddit peeking on the progress of the people working on the S&W 15-22 SS trip. I've bugged SS makers to promote the development of a 15-22 trip. I also posted an update on the S&W 15-22 forum . Here is what I posted. If I got something incorrect please let me know.
"What is the SS?"
The SS refers to the Super Safety. The SS is a simple device that turns the AR selector into an active trigger safety. It resets the trigger allowing much faster manual trigger pulls. It has 3 settings, safe, semi and super safe. Super safe resets the trigger, lightens the trigger pull, but still requires the shooter to manually pull the trigger for each shot. This is unlike a machine gun where the shooter pulls the trigger once and the gun fires until the trigger is released or the ammunition is exhausted.
Basically, it gives everyone the abilities of Jerry Miculek on an AR.
It's not full-auto by ATF's legal definition, design or function.
It is the most fun, legal and innovative firearm accessory we've have seen in a long time.
Hoffman's video demonstrates his 3D printed AR lower with his SS. The SS works with most low-shelf aluminum lowers. Low-shelf meaning, the height of the aluminum material behind the selector cam is lower than the top of the selector cam. The 15-22 is a perfect candidate because it has very little material behind the selector cam.
Originally designed for the AR, versions of the SS can be used reliably in the AK, FAL, HK, Stribog and AUG. The list platforms grows every day. It was created By Hoffman Tactical and the design was given to the world for free as a downloadable 3D print file.
Hundreds of thousands of downloads and dozens of small companies started making and selling the SS in a variety of durable materials. These companies make their SS from 4140, S7, and stainless steel tool steels for under $100.
The SS is available with the complete kit (modified AR trigger, rounded detent, cam and lever $100) or just the (lever, detent and cam $80) then owners can mod their own trigger or detent if you have basic smith skills you can modify a mil spec trigger or use the supplied trigger jigs. I spent 5 minutes with my rotory tool to modify a normal mil spec AR trigger.
It is similar, in the objective, to the Rare Breed Triggers LLC (FRT-15) triggers but more user friendly, reliable, cheaper and less complicated than the FRT-15. Rare Breed Triggers LLC knows this. RB's legal rep has started sending out C&D letters to small makers claiming RB owns the patent for all "forced reset triggers" designs. Allegedly, so RB can start making them and dominate the SS market. If this is so, NOT cool RB and ABC LP LLC. Shame on you! RB didn't invent the SS. We supported your legal fight. Don't screw over the 2A community.
The SS is very reliable in rifle caliber platforms. It's more difficult for 22ARs to run the SS reliably using the Ciener/CMMG 22LR system in ARs. It is possible for the SS to function with certain barrel length configurations/bolt weights but variations across AR15 makers, 22 kit makers and 22LR ammo creates challenges. A special SS trip (not a CMMG 22LR full auto trip) and bolt weights are needed for 22LR kits to be reliable.
Many people enjoy the challenge of tuning the SS to 22LR ammo to benefit from the cost savings over 5.56/223 ammo.
There are people sharing and printing their versions of 3D plastic trips for the AR22 bolt assemblies on various websites. Unfortunately, the 3D printed parts wear fast, typicly under a few hundred rounds. Most people would prefer metal parts that last a much longer time, like the Borebuddy adjustable SS steel and aluminum trip in AR22s.
The SS easily fits in the S&W 15-22. But it requires a new trip design to function. The 15-22 could make a great host because there no variations to is design. This is why I'm sending out a invite to private, commercial, and group creators to help develop the 15-22 SS trip.
Many people are working on it but no one has cracked the puzzle, yet.
Tacticool22, where are you?
I wanted to include a warning to those people who would install a SS in a 15-22. Installation requires removal of the grip. The 15-22 receivers are polymer. Reinstalling the grip must be done carefully. It is easy to over tighten or cross thread the grip screw and
strip the 15-22 polymer receiver threads.
