Winchester Big Bore Air Rifle Model 70


Winchester Big Bore Air Rifle Model 70

  • Precharged Pneumatic
  • Beechwood stock
  • Side Lever with rotary magazine
  • Tuned pressure and valve for consistent, accurate shots
  • Deep magazine allows for pellets AND cast ammo. See manual for details and limitations
  • 320CC Air Cylinder fillable to 230 Bar
  • 6 Shot Magazine (.35) / 5 Shot magazine (.45)
  • 800 fps in (.35) / 700 fps in (.45)
  • Built-in manometer (air pressure gauge)
  • Checkered grip and forearm – For increased hold stability
  • Adjustable 2-stage trigger

The “Rifleman’s Rifle” has been reborn as the Winchester 70 PCP Air Rifle.

Inspired by the bolt-action Winchester Model 70, this sidelever PCP follows its predecessor as a precharged pneumatic big bore airgun.  Powered by a 320cc air reservoir and with a fill pressure of 230 BAR (3,335 psi) the Model 70 will have no trouble slinging its rounds downrange.  With 6 full powered shots in .35 and five in .45, you can expect speeds exceeding 800 and 700 fps respectively blasted with a thunderous release of compressed air.  While the gun has no open sights, an 11mm Dovetail rail is ready and waiting for your own optics choice.

The cylinder rests snugly within a masterfully crafted beechwood stock, with traditional checkering on the grip and forend to provide a comfortable and stable hold. A hunter style safety keeps the Model 70 muzzled until ready to fire and a 2-stage adjustable trigger can be set to your preferred trigger pull.

The Model 70 PCP proves that Winchester is ready to enter the world of PCP hunting–are you?



Caliber 0.45″
Max Velocity 670 fps
Muzzle Energy 199 ft/lbs
Loudness 5-High
Barrel Length 21.0″
Overall Length 41.75″
Shot Capacity 1
Barrel Rifled
Front Sight none
Rear Sight none
Scopeable 11mm dovetail
Trigger Two-stage adjustable
Buttplate Rubber
Suggested for Hunting
Action Sidelever
Safety Manual
Powerplant Pre-charged pneumatic
Function Repeater
Max Shots per Fill 5
Body Type Rifle
Weight 8.55 lbs
Shrouded Yes
GA-611120254 [PY-4529-8816]
Winchester Model 70-45 Big Bore Air Rifle
Included: Fill probe and magazine

Caliber 0.45″
Max Velocity 670 fps
Muzzle Energy 199 ft/lbs
Stock Beech
Grip Ambi
Color Brown

Additional information

Weight 8.55 lbs
Pick Your Caliber Option

0.357 /9mm, 0.45"


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