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Hatsan Factor BP Regulated BullPup


The Hatsan Factor BP Regulated BullPup Air Rifle is an update to this platform that adds compact power with adjustable options. Capable of muzzle energy up to 140 FPE in .30 and 144 FPE in .35, it provides the power and accuracy needed for hunting small and medium game, as well as pest control.

This air rifle includes features for tuning and versatility, including an externally-adjustable hammer preload dial and an externally-adjustable regulator. These features combine to allow the shooter to customize the cocking effort and power level.

The Hatsan Factor BP utilizes precision-rifled and choked QuietEnergy barrel to deliver accurate shots. The barrel is fully shrouded and also has an integrated moderator that results in a low noise level from each shot, as well as a M14 x 1.25 threaded muzzle to accommodate an aftermarket moderator.

The stock on this regulated air rifle has an adjustable textured soft rubber pistol grip, and a rubber butt pad that adjusts for elevation and angle. It also has a cheek-piece that adjusts to nine positions in 5mm increments, for 40mm of elevation adjustment. In addition, it comes with a removable 580cc carbon fiber bottle that yields up to 32 shots at optimal velocity (within 85% of peak velocity) in .30 and 28 shots in .35.

The two-stage black metal Quattro Trigger has a shoe that adjusts for both left and right angle and vertical position to allow a sharp break. The long 11mm dovetail and Weaver/Picatinny combination optics rail on the aluminum receiver provides scope options and the removable Picatinny accessory rail allows for the addition of a bipod.

For an airgun with adjustable features and consistent results for pest control and hunting, buy a Hatsan Factor BP Regulated BullPup Air Rifle today!

Here are full reviews of the .30 and .357 Calibers:


  • Pre-charged Pneumatic
  • Repeater
  • Side-lever
  • Externally-adjustable regulator
  • Precision-rifled and choked barrel
  • Fully-shrouded QuietEnergy barrel with integrated moderator
  • M14 x 1.25 threaded muzzle
  • Removable 580cc carbon fiber bottle
  • 3,625 PSI/250 BAR max. fill pressure
  • Magazine capacity: 16 rounds (.30), 14 rounds (.35)
  • Max. velocity (lead pellets): 956 FPS (.30), 888 FPS (.35)
  • Max. energy: 140 FPE (.30), 144 FPE (.35)
  • Shots at optimal velocity*: 32 (.30), 28 (.35)
  • Externally-adjustable hammer preload
  • 2-stage adjustable black metal Quattro Trigger
  • Adjustable ergonomic soft rubber textured pistol grip
  • Nine-position elevation-adjustable cheek-piece
  • Elevation- and angle-adjustable rubber butt-pad
  • Aluminum receiver with long combination 11mm dovetail and Weaver/Picatinny optics rail
  • Removable Picatinny accessory rail
  • Manual safety
  • Patented anti-knock system
  • Foster quick-disconnect male fill port
  • Regulator and fill pressure manometers
  • Includes extended Foster quick-disconnect fill adapter, multi-tool, and two magazines
  • Barrel length: 32″
  • Overall length: 42.75″
  • Weight: 9 lbs. (gun only)

.30 Caliber (7.62mm), .35 Caliber (9mm)


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