Yep, those are great bases - I meant "ridiculous" in a good way. They will shrink a little (quite a bit actually), but as a reference (from B&C):

SCORE: 189 6/8
LOCATION: Wrangell Mts., AK
HUNTER: Harry L. Swank, Jr.
OWNER: Mrs. Harry L. Swank, Jr.
DATE: 1961

KEY MEASUREMENTS:
Length of horn: Right 48 5/8 - Left 47 7/8
Circumference of base: Right 14 5/8 - Left 14 6/8
Circumference of 3rd quarter: Right 6 5/8 - Left 6 7/8
Greatest spread: 34 3/8
Tip to tip spread: 34 3/8