Air Arms S400 Biathlon Air Rifle by Air Arms

$1,539.99
$1,399.99
$1,399.99
On Sale
Unavailable
per item
Sold out
SKU: AAS4B
  • Air Arms S400 Biathlon air rifle
  • Precharged pneumatic (200 bar max fill pressure)
  • Bolt-action
  • 5-shot repeater (self-indexing rotary clip)
  • Removable air reservoir
  • Match sights: globe front accepts inserts, rear diopter (not mounted)
  • Rear sight fits on an 11mm dovetail
  • 5-way adjustable match trigger
  • Lothar Walther barrel
  • White poplar stock
  • Cheekpiece adjusts vertically and horizontally
  • Buttpad adjusts vertically
  • 4 rotary clips fit in slots in right-hand forearm
  • Beautiful deep bluing
  • Stock is flawlessly executed
  • 29.875" between front & rear sights
  • 10.25" long accessory rail
  • 12.12" to 12.50" length of pull (LOP)
  • 5.15 ft-lbs.
  • Includes owner's manual, 7 Allen keys, four 5-shot clips, fill adapter & spanner (to remove reservoir)


  • Loudness: 2-Low-Medium
  • Weight: 6.99 lbs
  • Barrel Length:20.50"
  • Overall Length: 41.00"
  • Capacity: 5 round(s)
  • Barrel: Rifled
  • Front Sight: Globe with Aperture Inserts
  • Rear Sight: Diopter/micrometer adjustable
  • Scopeable: 11mm dovetail
  • Trigger adj.: Five-way adjustable match
  • Buttpad: Adjustable
  • Suggested for: Competition
  • Action: Bolt-action
  • Powerplant: Pre-charged pneumatic
  • Safety: None
  • Repeater: Repeater
  • Body: Rifle