I'm not so sure. The pistol belt may not be the solution, maybe a leather belt. The problem with the pack's belt is that it was not firm enough to keep the pack from sagging. Belts on my Gregory and my external frame packs are firmer. Time will tell.
Life should not be a journey to the grave with the intent of arriving safely in a well preserved body, but to skid in broadside, thoroughly used up, worn out, and loudly proclaiming Wow! What a Ride!