Sheaths are all custom made, so the price varies, but most of the sheaths shown ran about 45.00.
Snap-on lever wrap
8.00 shipped 
Tooled Buttstock cover
40.00 and up
Soft Buttstock cover
rough-out  22.00       
Large Bandoleer
Full-length cover
8 shell shotgun slide          25.00  
Cartridge Slide 25.00
Custom covers with loops or tooled images run about 10-20.00 more.
Ammo Pouch  45.00
Loading Strip  8.00