4 Best Hatsan Factor Bullpup of 2026 For Hunting Power

1

Wearable4U - Hatsan Factor BP Bullpup .35 Cal PCP QE

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  9.7
• Brand
  Wearable4U

Key specs2

Muzzle Energy and Caliber

144 FPE at 888 FPS in .35 caliber

Included Gear Package

• Protective hard case for transport
• Rifle scope with mounting rings
• Wearable4U paper targets and pellet tin

Pros & cons43

Pros

• Delivers maximum muzzle energy in the lineup at 144 FPE for knockdown power on larger quarry
• Arrives as a complete setup including a scope, protective hard case, pellets, and paper targets
• QuietEnergy QE sound suppression helps moderate the muzzle report on high-power .35 caliber discharges
• Smooth side-lever action provides rapid cocking without breaking shooting posture

Cons

• Listed velocity of 888 FPS is slower than the .30 caliber configuration
• Specific optic magnification and reticle details are unlisted and require buyer verification
• Heavy .35 caliber ammo requires high air volume per shot, requiring a verified PCP air source

2

Hatsan Factor BP Bullpup .30 Cal PCP QE Side-Lever Action

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  9.5
• Brand
  Wearable4U

Key specs2

Ballistic Profile

956 FPS velocity with 140 FPE energy

Included Gear Package

• Rifle scope for immediate aiming
• Hard-shell protective carry case
• Pack of paper targets and .30 caliber pellets

Pros & cons43

Pros

• Listed velocity of 956 FPS provides a flatter shooting trajectory than the .35 caliber model
• Generates a robust 140 FPE of muzzle energy for reliable medium-to-large pest and game hunting
• Bundled hard case, scope, paper targets, and pellets eliminate the search for starter gear
• QuietEnergy QE technology dampens muzzle blast while side-lever cocking keeps cycling smooth

Cons

• Yields 4 fewer foot-pounds of energy compared to the heavier .35 caliber platform
• Listing does not specify the scope magnification power or lens dimensions
• PCP fill equipment is not included and must be sourced separately to charge the rifle

3

Factor Bullpup .30 Caliber

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  8.8
• Brand
  Hatsan

Key specs2

Platform Configuration

Standalone .30 caliber bullpup rifle built for shooters who want to mount their own high-grade hunting optics and choose custom protective luggage.

Shooter Hardware Needs

• Compatible airgun scope and optic mounts
• High-pressure PCP fill station or hand pump
• .30 caliber lead hunting pellets

Pros & cons33

Pros

• Gives you the bare .30 caliber bullpup rifle so you can choose your own custom optics and case
• Compact bullpup layout keeps handling nimble without sacrificing barrel length
• Lets shooters who already own high-end airgun scopes avoid paying for duplicate accessories

Cons

• Ships without an optic, hard case, or ammunition, requiring immediate add-on purchases
• Factory listing omits exact velocity and energy ratings, requiring verification on arrival
• Air charging adapters and high-pressure PCP pumps must be supplied by the user

4

Factor Bullpup .35 Caliber

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  7.8
• Brand
  Hatsan

Key specs2

Platform Configuration

Bare .35 caliber PCP bullpup rifle designed for big-bore airgun hunters who prefer matching their own preferred glass and hunting pellets.

Caliber Application

.35 caliber big bore for heavy target impact

Pros & cons33

Pros

• Provides a dedicated .35 caliber big-bore bullpup platform for hunters selecting their own optics
• Shorter bullpup profile provides easier maneuvering through thick brush than traditional rifles
• Ideal configuration if you already have dedicated hunting scopes, cases, and .35 pellets

Cons

• Standalone packaging includes no optic, hard storage case, pellets, or targets
• Exact velocity, muzzle energy, and air cylinder capacity are unstated in the listing
• Requires heavy .35 caliber ammunition and high-pressure PCP charging hardware out of pocket

Last update on 2026-10-07 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Should I choose the .30 caliber or .35 caliber Hatsan Factor Bullpup?

Choose the caliber that aligns with your target size and required shot distance. The .30 caliber delivers 956 FPS and 140 FPE, providing a faster, flatter trajectory that makes distance estimation more forgiving on medium game. The .35 caliber produces 888 FPS and increases muzzle energy to 144 FPE, giving you greater knockdown force on larger quarry where terminal impact matters more than maximum velocity.

What velocity and muzzle energy differences separate the Factor Bullpup models?

The primary performance difference comes down to bullet weight, speed, and overall energy transfer. The Factor Bullpup .30 caliber produces 956 FPS with 140 FPE of energy output. In comparison, the .35 caliber model shoots at 888 FPS while delivering 144 FPE. Both options utilize a pre-charged pneumatic (PCP) power plant to sustain heavy-hitting hunting power across every magazine cycle.

Is buying a complete Factor Bullpup bundle better than buying a standalone rifle?

A bundle is the better choice if you want to eliminate the headache of sourcing matching accessories separately. Factory bundles provide the PCP rifle along with an optic scope, a protective hard case, shooting paper targets, and lead pellets. Buying a standalone Factor Bullpup only makes sense if you already own high-quality optics and a protective travel case suited for a bullpup layout.

How does the QuietEnergy barrel and side-lever action improve handling in the field?

The integrated QuietEnergy (QE) sound suppression moderates muzzle blast so you avoid spooking game across your hunting area. Hatsan combines this muffled barrel design with an ergonomic side-lever action, allowing you to cycle pellets rapidly without pulling your eye away from the sight picture. These mechanics deliver the quick handling and follow-up capabilities expected from purpose-built tactical air rifles in dense brush or pest control situations.

What items come included in the Wearable4U Factor BP bundle?

The Wearable4U package includes the Hatsan Factor BP Bullpup PCP QE air rifle, a fitted hard storage case, and an optical scope. It also supplies a supply of lead hunting pellets matched to your selected .30 or .35 caliber, along with paper targets for sight-in verification. This complete kit gives you all required field essentials right out of the box.

How should I plan storage for a scoped Hatsan Factor Bullpup?

Confirm the interior depth and layout of your storage locker or cabinet before putting the rifle away. Bullpup configurations are shorter than traditional rifles, but a mounted scope and protruding side-lever mechanism add significant profile depth. Storing your gear inside a dedicated long gun safe ensures your optic keeps its zero and remains protected from crowding against other equipment.