Norica Viriatus 2.0 BP PCP Air Rifle. Semi-shrouded barrel with 1/2 UNF threads for moderator. Regulator (1,550 PSI/110 BAR). Fill pressure: 3,620 PSI (250 BAR). Sling swivel studs in front and rear of stock.Picatinny optics rail (8.85). Includes magazine, Foster quick-disconnect adapter, O-rings kit, and plastic hard case. Do not attempt to disassemble any items.