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$999.99
List Price $1,099.99Save $100.00(9%)3-year limited warranty
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In-stock
Sold & shipped by Pyramyd AIR
WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov 
Sold & shipped by Pyramyd AIR
| Caliber | .510 |
| Max Velocity | 1000 fpsMeasured with 250 ammo |
| Muzzle Energy | 700 ft/lbsMeasured with 550 ammo |
| Stock | Synthetic |
| Grip | Ambi |
| Color | Black |
This item is not eligible for coupon discounts
Umarex Hammer .510/.50 PCP Air Rifle
Umarex Hammer™ Energy Generation
Grain Material FPS Energy (ft. lbs.)
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 760 700
Helpful resources:
Able to sling three regulated .50 caliber shots per fill, the Hammer utilizes Umarex’s patent-pending Lightspeed™ valve created specifically to deliver jaw-dropping power. Crafted to throw 550 grain, .50 caliber slugs downrange at 760fps for an unheard of 700 FPE, and a 250gr slug at 1,000 fps—the Hammer has more than enough power to knock down even the largest game. Powered by a huge 4,500 psi carbon fiber cylinder that is regulated to 3,000 psi allows for 3 consistent, full-powered regulated shots with the ability for a powerful fourth follow-up shot.
Once you fire your first shot, move on to the next by operating the straight-pull bolt to index the 2-round magazine. The bolt’s low 2-lb cocking effort makes taking a fast follow-up shot shockingly easy. Each Hammer includes two magazines to keep the shots coming. For added protection, the Hammer employs a three-step safety system that includes a manual trigger safety, hammer-block, and a magazine lockout that prevents the gun from being fired without the magazine inserted.
The stock was crafted in collaboration with PolyOne Corp., renowned as experts in the field of specialized polymer products and resulted in a rough-and-ready all-weather stock built to support this rifle’s powerful shots. Each stock includes a rear sling stud and three M-LOK slots in the forearm for adding accessories. The Magpul AR grip contours to the hand, and can be switched out for other AR grips. When choosing your optics you will have a lot of options with the long 8.5” Weaver/Picatinny rail that rests right above its fully-moderated barrel. This barrel is reported to be able to put its first three shots within an inch at 50 yards!
Sold & shipped by Pyramyd AIR
| Caliber | .510 |
| Max Velocity | 1000 fpsMeasured with 250 ammo |
| Muzzle Energy | 700 ft/lbsMeasured with 550 ammo |
| Stock | Synthetic |
| Grip | Ambi |
| Color | Black |
| Max Velocity | 1000 fpsMeasured with 250 ammo |
| Overall Length | 43.75" |
| Function | Repeater |
| Weight | 8.5 lbs |
| Trigger Pull | 3.0 lbs |
| Scopeable | Weaver/Picatinny |
| Safety | Manual |
| Suggested for | Hunting |
| Caliber | .510 |
| Muzzle Energy | 700 ft/lbsMeasured with 550 ammo |
| Loudness | 5-High |
| Barrel Length | 29.5" |
| Shot Capacity | 2 |
| Barrel | Rifled |
| Front Sight | none |
| Rear Sight | none |
| Action | Bolt-action |
| Powerplant | Pre-charged pneumatic |
| Max Shots per Fill | 4 |
| Body Type | Rifle |
| Fixed/adj. power | Fixed |
| Cylinder Size | 393 cc |
| Shrouded | Yes |
| Operating Pressure | 4500 PSI / 310 BAR |
4.0 (31 reviews)Create an online review
5.0 5.0
5.0 5.0
5.0 5.0
Verified Purchase
I love this gun.
Things I would have changed:Offer a package deal
What others should know:Have Fun
5.0 5.0
5.0 5.0
5.0 5.0
I really liked it and shooting it in person rather than just watching videos is insane!!! It is insane. I did a practice shot and a decent distance with no scope and not only hit the tree I was aiming at but also put a fat hole in it lmao. All in all a perfect new little toy to have some fun with and fill the freezer
Things I would have changed:I mean nothing really I would love if it was lighter but that is not really realistic. Also not the gun but I would change the online shooing to having everything compatible with whatever gun you buy on its own list and also to explain how to put mounts and such on it
What others should know:Buy it do not think just buy and have fun and be safe!
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Adjustable buttock and cheekpiece?
No.
Mil spec buffer tube huttstock?
No. The stock is not replaceable.
Does it have an A18 adapter on the muzzle and can a moderator be used with it?
To fill your PCP gun:
1.Pick a source of air shown at right
2.If an adapter is needed, one will be shown
3.Add both to your cart to get hooked up
Umarex Hammer PCP Air Rifle with quick-disconnect connector (1M)
To start over click reset
Tank fill calculator
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Umarex SLA - Solid Lead Ammo - .510/.50 cal., 320 grain (20 ct.)Buy With Confidence
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It's important to know that due to state and local laws, there are certain restrictions for various products.
It's up to you to research and comply with the laws in your state, county, and city.
If you live in a state or city where air guns are treated as firearms you may be able to take advantage of our FFL special program.
U.S. federal law requires that all airsoft guns are sold with a 1/4-inch blaze orange muzzle
or an orange flash hider to avoid the guns being mistaken for firearms.
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Get the most out of your equipment when you work with the expert technicians at Pyramyd AIR. With over 25 years of combined experience, we offer a range of comprehensive in-house services tailored to kickstart your next adventure.
If you're picking up a new air gun, our team can test and tune the equipment before it leaves the warehouse. We can even set up an optic or other equipment so you can get out shooting without the hassle. For bowhunters, our certified master bow technicians provide services such as assembly, optics zeroing, and full equipment setup, which can maximize the potential of your purchase.
By leveraging our expertise and precision, we ensure that your equipment is finely tuned to meet your specific needs and get you ready for your outdoor pursuits. So look out for our services when shopping for something new, and let our experts help you get the most from your outdoor adventures.
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Shop and purchase with confidence knowing that all of our air guns (except airsoft) are protected
by a minimum 1-year manufacturer's warranty from the date of purchase unless otherwise noted on the product page.
A warranty is provided by each manufacturer to ensure that your product is free of defect in both materials and workmanship.
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Free shipping may not be combined with a coupon unless stated otherwise.
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By Peter
Verified Purchase
Overall a great design, awesome FPE for the money, and multiple-shot capacity including extra magazine, and ease of refill connectivity without extra converters, and it worked with my Nomad compressor. Took it out for a target test at 50 yards, four shots (550 and 388 grain) put four holes right through stacked 5 x 5/8" plywood boards. And good accuracy seeing I used a reflex site not yet adjusted. Has some recoil, but felt controlled.
Things I would have changed:My Hammer came with a few small surface issues I initially questioned related to the condition of a "new" unit. After questioning Umarex etc. was told that was all normal, or shipping events (I also got the fill-test done so it was removed and replaced in the packaging) so I'd ask Umarex and such to please do better on attention to detail and handling. But still very much liked the rifle and operation and overall feel, was great.
What others should know:Order your sight (whether scope or reflex) and a nice bipod stand for it with your purchase - you will need a picatinny connector for the stand. Would I buy this rifle again? YES. Also purchased 550 grain solid and 388 hollow-point grain slugs (0.51 cal) that worked great.