Shaun, since my number one Underwood is out of stock, my number two is Doubletap followed closely by Buffalo Bore. There are many youtube tests that show consistency of velocity being UW 1st, DT 2nd and BB 3rd. https://doubletapammo.com/collections/45-acp/products/45-acp-230gr-fmj-fp-20rds ----------------- buffalobore.com/index.php?l=product_list&c=12

10mm is a better round for deer than 45. +P 45 still doesn't match the power of a standard 10.

Was reading on a forum that you can also use deffensice hollow points, not sure you'll get the same penetration but there are several good deffensive HP's in stock here
ammobuy.com/ammo/45-acp-auto

Its out of stock right now but id try to stock up on underwood ammo 200grain extreme penetrator, or the 255 grain hardcast flat nose by underwood.
underwoodammo.com/collections/handgun-ammo/cartridge_45-acp+application_dangerous-game
----------
The only other 45acp round that comes to mind for me would be Buffalo bore and thats in stock here,
buffalobore.com/index.php?l=product_list&c=12