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With almost 950 joules of energy is the Umarex Hammer one of the most powerful airguns in production.

But in contrast to many other big-bore airguns, has the Hammer also been developed for precision and quality.

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The Umarex Hammer is with a caliber of .51" (12.97mm) at nearly 950 joule one of the most powerful airguns in production.
But raw power is not the only feature of the Hammer.

Lothar Walther barrel
The Hammer uses the high quality .51" caliber Lothar Walther barrels with a twist-rate of 1:24.
Combined with the built-in regulator, this gives the Hammer a high level of precision.

Ergonomic design
The high quality stock and its materials have been developed in cooperation with PolyOne
Combining this stock with a Magpul AR-style pistol grip gives a Hammer a comfortable hold.

Not featured on many big-bore airguns, is a built-in regulator.
The Hammer's regulator has a pressure setting of 207 bar.
This ensures 3 consistent full-power shots and only a power loss of 10% on the 4th shot.

Accessory mounting
The 22mm picatinny rails allows the mounting of scopes and red dots.
On the front of the grip are multiple M-Lok slots for mountings bi-pods, lasers, lights, etc.

The Hammer can be filled with a Foster quick-connect.
This is not included with the rifle and is featured in the related products if needed.

Power source: Pre compressed pneumatic (PCP)
Caliber: .51" (12.95mm)
Muzzle energy: 949 joules
Fill pressure: 310 bar
Air capacity: 393cc
Regulator: Yes (207 bar)
Operating system: straight-pull
Magazine: 2x 2-shots
Max. projectile length:
Optic mounting: 22mm Picatinny
Weight: 3.85kg
Length: 1111mm
Barrel length: 749mm
Muzzle: Only with adapter
Accessories: 2 magazines, 6 SLA slugs, manual
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