GF - I am quite familiar with the Swamp and its initial offerings. I became a member of the "Rat Patrol" over 4 years ago - my member number is 383, whereas they are now over 2000. I first bought a BattleRat, then a Howling Rat, Camp Tramp, and they all included sheaths. I also bought an InfiCoot, and paid for the optional sheath as the Coot was a SPECIAL RUN. Same for the SAR Rat and the Desert Rat. However, the STANDARD line included sheaths, as I feel they should.