Different environment Andy. I live in a small town where any "Shots" would be of a limited range. Also our "Bug out Bivouac" is in a heavily wooded area, where even in winter the "Shots" would be of a rather short distance (Probably under 75 yards, heck actually under 50). The Range and the I feel necessity, of remaining unseen and unheard makes the 9mm Carbine and pistol more conducive to this type of mindset. These are my thoughts and they may be flawed if ever needed to be proved, But...