My searchfu is weak, could have sworn I've seen a thread addressing
this question, need some recs. for a SF host for my M61? FWIW already
predisposed to the Z2 as I've been running a Z2 for some 10+ yrs w/ a HG.
BigChellis' numbers show you get less resistance with a McClicky tailcap than with a Surefire tailcap.