Challenger HP .357

Specifications

Caliber

.357

Powerplant

PCP

Action

Bolt action

Type

Big bore rifle

Ammunition

Slug

Magazine

7 rounds

Air tank

580 cc

Fill pressure

300 bar · 4351 psi

Regulated

Yes

Max velocity

950 fps

Max energy

250 fpe

Shots / fill

8

Barrel

24 in

Overall length

44 in

Weight

9.5 lbs

Optics rail

Picatinny

Threaded muzzle

Yes (M18x1.5 on Zeus, 1/2" UNF on others)

Moderator

Shrouded barrel; integrated suppressor on SS variants

Production years

2019–present

Production status

Current