Its a Baikal they are from russia its a 12 that shoots 3; ported and slector for the barrel you choose to shoot yes vented . Listen to this I never shoot under 500 shells thru it every week! And its freaken flawless,I bought some steel choaks for it thats around 60 bucks for the 2 with shipping,. if your interested let me know and I`ll get ya the 800 number . Buy the gun they are
bad. I duck hunt with a Benelli,but this year I`ll take the over and under, look out Dove, I can hit anyway you put me with this gun it sure helps me in my moving target shooting !!!!!!!!!!! I have had it over 7 months you do the math

God bless and pick up your
darn shells!