![]() ![]() Yes, the Hammer tested by HAM gave just two really consistent full power shots per fill. Whatever its other benefits, a regulator will always place a restriction on maximum power. Most big bores are unregulated as these designs aim for the maximum possible Muzzle Energy. 50 Cal is currently unique as the only regulated big bore airgun. As this is below the regulator set pressure, it will – therefore – generate a lower velocity. The third will have – at most – 2,700 PSI to work with. 50 Cal tested by HAM used 600 PSI per shot and the regulator is set to 3,000 PSI, it’s clear that – even when fully filled – the gun will give just two full-power shots per fill. There’s more detail on this in the “Buying and Owning” section of this review, below.įinally, the manufacturer claims that three full-power shots are available from one 4,500 PSI fill of High Pressure Air. The manufacturer claims the Hammer will produce 700 ft lbs, with a 550-grain projectile, but we did not test with 550 grain rounds and hope to perform that test at a later date That’s still a huge amount of power, but it’s not exactly close to the original claim. Now, using the recommended Umarex 320 Grain Solid Lead Ammunition, the Muzzle Energy achieved by HAM is actually around 560 Ft/Lbs. The Street Price – understandably – crept up to $850, the HPA bottle is now not to be removed and the sabot ammunition was lost somewhere in development. Much changed between then and the product finally shipping to customers. Back then is was marketed as the “World’s most powerful airgun” with 700 Ft/Lbs of Muzzle Energy, a category-busting price of $800, interchangeable HPA bottles and anticipated sabot ammunition. 50 Cal was originally launched back at the 2017 SHOT Show. But it does need more force than might be expected for correct operation, as is covered below in the “Shootability” section of this review. The straight-pull bolt handle is easy to use. It certainly didn’t stop HAM Tester Doug Wall from achieving the excellent accuracy shown above! It’s a hunting gun and the trigger is perfectly usable for this task. 50 Cal is not intended to be a target rifle. There’s no external indication that it’s adjustable. However the pull itself is long, “mushy” and rather “creepy”. The trigger of the Hammer tested by HAM had a light average pull weight of 2 Lbs 13 Oz. Note that this review was updated in January 2022 by testing the Hammer with 550 Grain bullets that had not been available for the original test. We also determined the Ballistic Coefficient of the 320 Grain SLA slugs to be 0.174 when fired through the Hammer (using the G1 model). With the 320 Grain slugs, this represents a Muzzle Energy of 561.7 Ft/Lbs. In this testing, the HAM Team recorded a maximum Muzzle Velocity of 889 FPS. Great shooting by HAM Tester Doug Wall! (Note that we had left the scope set for 50-Yard shooting, so the impacts at 25 yards were high). In this case, the two bullets went almost through the same hole. This was confirmed by a second target fired at 25 Yards. ![]() At 50 Yards, accuracy was definitely of the order required for successful big game harvesting. Given the design of the Hammer and its intended use solely as a hunting tool, we – exceptionally – fired only two-shot groups. We found that accuracy was very good indeed. 50 caliber Solid Lead Ammo (SLA) that’s designed for use with this gun. So, although the headline price of the Hammer is attractive, you’ll need to budget for the charging and sighting infrastructure to go with it.Īnd then ammo is over $1.00 per round! BUY FROM AIRGUN DEPOTįor this test review, HAM specifically used the Umarex. For us mere mortals, a large HPA tank, plus compressor and possibly a Booster Pump will also be required. Naturally you’ll need a scope, but only Olympic-grade Triathletes are likely to relish trying to fill the Hammer’s HPA bottle to it’s full 4,500 PSI using a hand pump. By a long way!Īs with any PCP the gun itself is only part of the cost. While it’s not absolutely the cheapest big bore, it certainly delivers the largest bang for the buck. 50 Cal has to be considered strong value for a big bore airgun. At a Street Price of $849.99, the Umarex Hammer. ![]()
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