Umarex Hammer Air Rifle

 Umarex USA designed and now manufacturing a .50 caliber air rifle called the Hammer. For those that think air rifles are just toys for for squirrels only, this rifle will launch a 550 grain lead slug at about 760 fps. That works out to be more than 700 ft-lbs of energy. That’s in the same ballpark as the .44 Magnum. Lighter loads go faster, of course. The 180 grain ARX projectile will hit about 1,100 fps.

 Umarex uses a straight pull bolt that needs only 2 pounds of cocking pressure. The air tank holds 4,500 psi of compressed air. The trigger pull is set at 3 pounds. The gun uses a Magpul pistol grip and has M-LOK attachment points for accessories.

 It is currently out of stock, but you can register here for an update when the rifle will be available.

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Features & Specifications

  • Made in the USA
  • Most powerful production air rifle on the planet
  • Delivers 760 foot pounds of energy
  • Shoots a 550 grain lead slug at 790 feet per second
  • Places 2 rounds of 350 grain lead slugs within an inch at 50 yards
  • Straight-pull bolt with 2 lb. cocking effort and just 2 in. of travel
  • Delivers 2 full-power shots using 8 cubic inches per shot
  • Patent-pending Lightspeed valve
  • 24 cubic inch carbon fiber tank holds 4,500 psi compressed air
  • Regulated to 3,000 psi per shot
  • Utilizes Quick Disconnect Foster fitting for filling
  • Standard Magpul AR grip
  • Machined Picatinny Rail 8.5-inch in length with 20 slots
  • Modern stock design and manufactured by PolyOne
  • Three slots incorporated in forearm for M-LOK attachment
  • Rear sling stud built-in
  • 43.75-inch overall length
  • 8.5 pound overall weight unloaded without scope
  • 29.5-inch barrel length with full length composite shroud
  • 3 lb. trigger weight
  • Three safeties: hammer block, magazine lock-out, trigger block

Umarex Hammer Energy Generation

Grain      Material                FPS       Energy (ft. lbs.)

180         Umarex ARX       1100       484
200         Lead                     1055      495
250         Lead                     1000      555
275         Lead                      945        545
300         Lead                      930        576
330         Lead (Lyman)      935        641
350         Lead (Lyman)      875        595
550         Lead                       760        705

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