Noticeably harder. A 10mm can easily take a bear or moose down with 1-2 shots; a .45 might require 3-4 shots. The impact is markedly different. Like a .273 v .308...
36 posted on 03/22/2015 6:11:00 PM PDT by Carriage Hill
( Some days you're the windshield, and some days you're just the bug.)