Any reason Survive Knifes! doesn't make a sheath for the GSO 5.1?
Also, any other kydex sheath options compatible with this knife?
Have you not read the review linked above or seen another one somewhere?? S!K does "make" a kydex sheath for the GSO-5.1, and a pretty awesome one as kydex-sheaths go, easily worth $40+. S!K contracts out much of the work that goes into making their products. They design the knives, the steel and handle-material is purchased (from US makers/suppliers), sent out for cutting & grinding and HT, is the stonewash and coating also done elsewhere? not sure, the sheaths are all made by Kiah here on BF (a US-citizen), final construction of each knife and final sharpening and packaging is all done in the S!K shop. They only have a few official employees.
Check around with other knife companies, you'll find that very few make their own sheaths, just as very few "make" their own steel and only some HT it themselves. Even companies as large as Buck and Benchmade usually import their sheaths from Mexico or Asia. Fallkniven and ESEE do not "make" any part of their product beyond design, it is all contracted out (Rowen makes ESEE, a Japanese company makes Fallkniven, etc.). Alot of companies are shy about revealing who does what for them, S!K has been rather open about it.
S!K relying on Kiah (still just one guy? No employees?) for all their sheaths does 2 things: 1) ensures high quality, 2) causes delays in sheath availability.
Is the final product worth it? I think so. :thumbup: