So let's see... In the last year or so we've seen 20" blue/walnut in 44 mag, 460s&w, 475 linebaugh, and 450 marlin. Looks like they're working down a supply of large bore profile 20" forging blanks.
Who bets we see 45 Colt, 45-70, 444 or 41 mag in the same configuration next?