re: So tell me about the 300 blackout

You can have any caliber as a “pistol” just need the brace or pistol buffer tube. The 300bo is best suited for suppressed and if your not gonna suppresse it their are better calibers to use as a “pistol” such as the 6.8 or 450bushmaster just to name two. Not saying you shouldn’t go 300bo just maybe keep looking and asking.