The Hatsan BullBoss 5.5mm Black has a genuine bullpup design, 10- shots, manual loading, side lever action, and a pre-charged pneumatic (PCP) air rifle.

Features:

• Genuine bullpup design, 10- shot, manual loading, side lever action, pre-charged pneumatic (PCP) air rifle.
• Available in .22 (5.5 mm) caliber.
• Quiet Energy fully shrouded barrel and Integrated Sound Moderator – Approximately 50% Quieter
• Precision rifled and choked barrel for accuracy.
• Synthetic ambidextrous bullpup stock. Picatinny rail beneath the forearm.
• Checkering on grip and forearm for better control and feel.
• “Easy Adjust” Elevation Comb – Stock equipped with an integrated elevation adjustment button.
• Ventilated rubber butt pad.
• Detachable 10-shot rotary magazine in .22 (5.5 mm) caliber.
• Includes 1 magazine.
• Detachable steel air cylinder tube (230cc). Spare cylinders are available.
• The built-in pressure gauge on the air cylinder monitors the cylinder pressure.
• Includes quick-fill nozzle & air cylinder discharging cap supplied in the box.
• Picatinny rail for both 11 mm and 22 mm scope mounts.
• Overall blued finish, black anodized receiver.
• Manual & Automatic Safety.
• “Anti-double pellet feed” mechanism preventing more than one pellet loading into the barrel.
• Patented anti-knock system to prevent gas wastage when the rifle is knocked or bounced.
• Quattro Trigger: 2-stage full adjustable match trigger for trigger travel and trigger load.
• Metal trigger.
• Fitted sling swivels.
• Spare air cylinders with regulators are available.

Specifications of the Hatsan BullBoss 5.5mm Black:

• Model BullBoss
• Caliber 5.5mm / .22cal
• Max. Muzzle Velocity 325m/s (1070fps)
• Energy (*) Joules 51, ft.lbs 38
• Magazine Capacity 10
• Air Tube Volume 230cc
• Fill Pressure 200 BAR
• Number of Shots Per Fill 150
• Number of Shots at Optimal Velocity 45
• Stock Bullpup, advanced polymer, thumbhole, elevation adjustable comb
• Overall Length 935mm (36.8”)
• Barrel Length 585 mm (23”)
• Average Weight 4.3 kg (9.5lbs)
• * Velocity results may vary as much as 20% due to pellet weight, pellet shape, temperature, elevation, as well as other factors.