Air Arms S400 SL Xtra FAC .177 (4.5mm)

The Air Arms S400 SL Xtra FAC .177 (4.5mm) is a high-power, single-shot pre-charged pneumatic (PCP) air rifle renowned for its match-grade accuracy, classic sporter styling, and lightweight poplar/beech stock.
Key Specifications & Features
Caliber: .177 (4.5mm) 
Action: Bolt-action, single-shot 
Power Plant: Pre-Charged Pneumatic (PCP), Full Air Capability (FAC / higher energy output than standard sub-12ft/lb versions) 
Barrel: Lothar Walther match-grade floating barrel 
Trigger: Two-stage adjustable trigger 
Air Pressure / Manometer: Integrated pressure gauge on the underside of the stock 
Intended Use: Precision target shooting and small-game pest control