Heckler & Koch USP Blowback .177 BB Air Pistol

Maybe I got the USP version of a Winchester One-of-a-Thousand, but darn this thing is accurate. Very good fit & finish, grip has stippling very heavy like CZ P-07. Nice white-dot sights. Magazine drops easy. A crisp blow-back. Safety clicks in confidently (and can de-cock by pushing all the way down). Just a nice balanced, good shootin' pistol, especially for the price, hard to beat. Was really surprised how much I liked this my first time out (and continue to). Right out of the "box" this pistol sparked much joy!

The Achilles heel is in the magazine. That darn CO2 locking nut harder to thread than most, similar to XDM and M&P 40, which is not a good thing. It take patience, it's not a race. Try lining up the locking nut and then turning the magazine itself slowly until the thread catches. You get the hang of it after a while. The real issue now is finding spare mags(!), lucky to find one at a local vendor. The usual complaint about those UX heat-sealed clam-shell packaging. You have to take you life into your hands slicing open (not mention possibly marring your pistol!). Please UX adopt what SIG did and swtich to unsealed clam-shell inside a cardboard box ... or crazy idea, just a cardboard box!

Was on the fence about this pistol due to bad reviews for a long while, but price dropped and Bulleye Bucks calling, finally went for it, and so glad I did. Has shot to the top of my favorites! I'm an avid replica pistol collector, shooting on an indoor range at 15-20 ft. I've tried UX steel, Crosman Black Widows, Hornady, Copperhead BBs, and all shot well. Mine shoots slightly low, but windage is on target, tends to shoot better on 2nd magazine, once CO2 settles down. Overall, a very good POA to POI for a smooth-bore and non-adjustable sights.

What I liked: True to actual as a replica. Great accuracy. Great feel and shooting comfort.The blowback is wonderful and the realism could not be better. My 3 star rating is only because the pistol shoots so well. The H&K shoots low and a tad to the left, but if you compensate reasonably well it will put five shots together with little room to spare at 10 feet. My Caldwell crony stats were as follows for a 12 shot string: Hi velocity - 348 fps, Lo velocity - 338 fps, Range - 10. Average Velocity - 343.8 fps, SD - 3.05 fps, Variance - 3.18 fps. I have over 50 airgun BB pistols and the only one that comes even close is my Desert Eagle, but that's a pellet pistol. Easily met and surpassed spec.

The Magazine. It is a game-stopper. Really bad. Loading the BBs into the magazine is so hard that I vowed I probably would never use this airgun again, once I had tested it. Then there is the threaded cap to secure the air cylinder. I have several other BB pistols that use the same type of cylinder piercing and I have no trouble with them but THIS one I could not thread. I finally used a wire brush wheel to remove the black stuff on the threads of the cap but it did not make things easier. It took me about 20 minutes to finally get the cap screwed down tight and piercing the CO2 cylinder. Basically, the threaded cap sits so low into the handle that you can't hold it to thread it in without causing misalignment and you might even cross thread it by trying to use the allen wrench to thread it in. Very, very bad design

I am VERY disappointed in this replica. As a replica, it is totally 5 star. As a working replica, it is only 1 star due entirely to the unbelievably bad magazine. You must hold the follower with a very strong thumb during the entire attempt at loading the full capacity of the magazine. You must hold against a very strong spring while attempting to drop 15 BBs one at a time against a small opening left immediately in front of the spring. I don't have enough fingernails to do this many times in succession. I limited myself to loading 3 times for testing. I will not do it again. Count on dropping multiple BBs. I used two cylinders; one for the accuracy shooting test and a fresh one for the fps statistics. I wished I had only stuck with one cylinder, because threading a second cap for a fresh cartridge required another 20 minute struggle with the threaded cap. I can't believe that Umarex let this product out into the market with the really terrible magazine for an airgun this good.

It is a good replica of the old model, the trigger is light having a short take-up and reset, it has blowback, the slide locks back when magazine is empty and it fieldstrips like the 1911s. Although the accuracy is a little off, it has a good precision at 20 feet. The 3-dot sights have minimum wiggle room. It also has double action.

To make replica of the modern model which has a Picatinny rail instead of the old proprietary rail. Too many white warning, should be hidden.

This is the second one I purchased. The first one had the slide catch-release broken around 4000 rounds and just after that the trigger stop working (a little piece of metal came out). On free hand rapid fire the spread was around 4 inches at 20 feet. As it happens on almost all air pistols, you can get 60 rounds per CO2 if you give little time between loadings (at 78-79 F), normally I get 45 rounds with good power. I decided to use the Picatinny rail adapter (GGG-1134SP), meant for the gun, and installed a laser (UTG LS200). As expected, the accuracy was improved having only a couple of shots outside the 1.875-inch bullseye.