Interesting bit of kit. Replaces the P50 (R50?) fire control group, basically doing away with the hinge function. Looks like it makes loading mags quick. Takes AR grips and trigger components. Also has a built in picatinny rail to mount a stock (w/tax stamp) or brace.
stincusa.com
ST-50 FCG for Keltec P50 - Stuff and Things
Due to high demand, ST50's may take 2+ weeks to ship. What we have here is both a facelift and a function-boost to the already-cool Keltec P50. With the ST-50 Fire Control Group, you can swap your 5.7 mags super quick and fancy-like using the AK/Evo 3-style mag release. This bad boy utilizes...
stincusa.com
