I'm anxious to get behind the SPR300. I'm a pretty big B&T fan as well. (love your optic choice by the way. I'm a major S&B junkie)
I've got a first gen MP9 Marked TP9 (with original metal brass catcher and threaded Barrel), Gen 1 APC9SD, Gen 1 GHM9, Gen 2 GHM9, KH9, APC9K Pro, USW, P26. May...