Optima barrels and chokes, C,Sk,IC, Mod, IMod. 3" Chamber. Drop at Comb 1.50", Drop at Heel 2.36", Flat Rib 3/8 x5/16. Barrels 18.6. LOP 15" with Kick EZ pad. Serial # AG41638. Comes with Beretta hard plastic travel lockable case, tools,chokes AND a virtually new Beretta DT 10 extra trigger group. $5,250 . Delivered to your FFL when paid in full.