Shipwreck has had or has most all civilian 92's and their varients and a wealth of experinece w/ them, balance, feel, etc.. The commercial M9 is identical to the military version except perhaps the markings if that. There's no such thing as a military grade as opposed to a civilian grade, it's the same pistol in the M9 or the M9A1's. You can check his previous posts as it's all been mentioned before or wait till he chimes in. Likewise, beretta's website has all the specs on the different models, recoil buffer's in some, rails on some, differing sight configuration on the M9's, dove tailed front sights on some, which is nice, etc..