The length from bed to end of bumper is floor length plus bumper on my 9.5 that 10. You can confirm with Host by giving them a call/email, but I'm prety certain you are talking about 1 ft more length with a 10.5 compared to a 9.5 of the same manufacturer.
'10 Ford F-450, 6.4, 4.30, 4x4, 14,500 GVWR, '06 Host Rainer 950 DS, Torklift Talon tiedowns, Glow Steps, and Fastguns. Bilstein 4600s, Firestone Bags, Toyo M655 Gs, Curt front hitch, Energy Suspension bump stops.
NRA Life Member, CCA Life Member