Date: 4/2/2023 12:54
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Page 3 - Glock 17 Gen. 4 Reviews

Umarex Glock 17 Gen4 CO2 Blowback .177 BB Gun

Average Customer Review

4.5 (53 reviews)
2 star
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  • 3.0 3.0

    3.0 3.0

    1.0 1.0

    Things I liked:

    Co2 loads efficiently. Decent blowback. Clean trigger break.

    Things I would have changed:

    Accuracy is horrible beyond fifteen feet.

    What others should know:

    You can purchase extra magazines.

  • 5.0 5.0

    5.0 5.0

    4.0 4.0

    Things I liked:

    Perhaps the best shooting replica CO2 pistol I have owned. The look, feel, and weight of this gun make it authentic, worthy of the Glock-licensed name. The slide is all metal and the blowback (and even slight muzzle flip) are excellent simulations of the real thing, but don't expect recoil to duplicate a full 9mm load, this is a BB gun after all. The trigger pull is light and there is a clean reset. Good for backyard practice drills if it is inconvenient to go to the shooting range with your 9mm.

    Things I would have changed:

    The non-authentic bottom-mounted safety tab, which is included for understandable reasons, is unobtrusive enough, but a little tricky to operate at first. Also, the BB follower tab in the mag is difficult to engage and manipulate. A small non-marring tool would help with both these issues, but could be avoided if these control tabs had a slightly higher profile. The accuracy is only so-so. With Umarex 5.1 gr BBs I get 4 inch groups at 10 yards from a pistol rest at best (some reviewers claim 2 inches), so you can count on getting all your rounds on a paper plate at that distance if you aren't shooting so fast the CO2 temperature and muzzle velocity drop off. But what do you expect from spherical BBs shot through a 3.6 inch smooth-bore barrel anyway? At 10 yards it shoots slightly to the left. Adjustable sights would have been nice, but these are fixed.

    What others should know:

    VERY IMPORTANT: the threaded CO2 capsule retaining cap is aligned perpendicular to long axis of the mag, and is not aligned to the plane of the mag floor. It is easy to be misled about this. If you try to thread the cap back in place but have inadvertently aligned it to be flush with the mag floor, you will cross-thread and damage the threads of the mag. Make sure that the retaining cap is perpendicular to the long axis of the mag, and it threads very easily. And don't let your teenager walk down the street playing with this gun. Even if it had a blaze-orange muzzle (which it does not), your kid would likely get accosted if not shot outright. This gun looks too real to open carry.

  • 5.0 5.0

    4.0 4.0

    3.0 3.0

    Things I liked:

    Reliable, handlers/functions almost exactly as a Glock firearm

    Things I would have changed:

    Safety is a bit hard to activate , but seems to be wearing in. The markings on the tab are pretty hard to read...perhaps a color coded dot (red for fire)?

    What others should know:

    I have not run a lot of ammo through this yet but seems accurate enough this Copperheads and gets about four (4) magazines full before power drops.

  • 5.0 5.0

    5.0 5.0

    4.0 4.0

    Things I liked:

    I was waiting for this 4th gen to come out and it doesn't disappoint. Solid build,excellent materials and a nice light sao trigger. Has nice blow back, looks identical to the powder burner.

    Things I would have changed:

    If it came in a box that would be a little nicer than the clamshell.Umerex puts the M&P40 in a box so why not with the Glock?

    What others should know:

    Put a nice tactical light on it, looks really cool. The best Glock in the Umerex lineup.

  • 5.0 5.0

    5.0 5.0

    4.0 4.0

    Things I liked:

    I now have three replica Glock BB pistols: Glock 19, Glock 17 Gen 3, and Glock 17 Gen 4. Of the three, I like the Glock 17 Gen 4 best. As single action only pistol, the trigger is very light and has a very short travel distance before firing the shot. The slide movement is longer, and the blowback stronger than on the G17 Gen 3. The magazine is very easy to load once the follower is locked down. The white markings on the sights make it easy to aim. This Glock 17 Gen 4 appears to be slightly more accurate than the non-blowback Glock 19. My best 10 shot group was about 7/8" using Umarex Steel BBs.

    Things I would have changed:

    The magazine follower tab does lock down for loading, but the small tab can be difficult to pull down to the locked position. A slightly larger tab would be a good change. The top of the magazine might benefit from a slightly smaller BB exit port. If the follower is allowed to come up too fast, it will push BBs out of the top of the magazine. Even with my index finger and thumb covering the BB exit port, I still occasionally had one BB pushed out between my finger and thumb. The manual also requires a revision with respect to the operation of the under-barrel safety. The manual fails to clearly state that the gun must be cocked first before the safety switch will move forward and backward between Fire and Safe.

    What others should know:

    My shot tests were performed from a bench rested position at a distance of 18 feet to target. Although I had reasonably good sized shot groupings, POI was about 2.5 to 3 inches below POA using the fixed open sights. I installed a LaserMax Spartan Green laser on the pistol and performed all of my shooting using the laser to aim. Other BB shot groupings: Smart Shot, 1 15/16" for 10, 1" for 9 of 10; Black Diamond, 1 3/16" for 10, 27/32" for 9 of 10; Black Widow, 2 1/8" for 10, 1 1/2" for 9 of 10. Crosman Copperhead BBs performed very poorly in my pistol producing a scattered shot group of 4 5/16".

  • 5.0 5.0

    4.0 4.0

    3.0 3.0

    Things I liked:

    blow-back, trigger pull, pretty realistic, drop-free mag, 50 rounds/cO2 (about three refills)

    Things I would have changed:

    Adjustable sites. Why would you not? Additional site options. Why would you not?! After several hundred rounds I had to return mine. The site picture was low, meaning I had to compensate by hiding the target behind the white dot the size of a pumpkin. Made my shots very erratic. When I simply did a proper aiming, I tore a tight hole 1.5" down and 1.5" to the left of the target at 7 yards. Fis the site problem and this is a super, super winner!!!

    What others should know:

    I sure would like to adjust the sites and/or replace with something smaller (more accurate). I've requested a replacement and Pyramyd is sending another. Thanks, Pyramyd. Makes me feel much more confident with my purchase (I bought two - a gift for a friend and one for myself). I paid for the 10 for $10 thing where they fire 10 rounds and provide a tag with the chrono. Wish they had checked it for accuracy as well. I hope this one is spot on.

  • 4.0 4.0

    5.0 5.0

    2.0 2.0

    Things I liked:

    The realism, the under-rail able to receive a laser for the Picattiny standard, the magazine is easy to load and has a bottom plate, it is field strippable and doesn't have those horrible white warnings.

    Things I would have changed:

    Unfortunately, the air gun replica industry doesn't take accurate shooting seriously. Almost every gun comes off, normally shooting low (what is hard to correct). This is the case with this gun, it is almost 3-inch low (at 24 feet) and a little to the left. No comments for that useless safe.

    What others should know:

    After installing a UTG LS-200 laser, I was able to get 77% of 30 shots inside a 1.5-inch bulls-eye, 97% inside the 3-inch circle and 3% out, all at 24 feet in a rested position. Free hand I got 77%, out of 60 shots, inside a 2-inch bulls-eye. I only used the Black Diamond. After 60 shots there is a drop in power.

  • 5.0 5.0

    4.0 4.0

    3.0 3.0

    Things I liked:

    Nice weight. Realistic. Full blowback.

    Things I would have changed:

    Add ambidextrous features. Safe switch is in a poor Location. Increase FPS.

  • 4.0 4.0

    4.0 4.0

    3.0 3.0

    Things I liked:

    Most everything

    Things I would have changed:

    Sights should be adjustable. Shoots low, so I have to cover target with white dot. This kills accuracy (see what I did there?). Magazine fill retainer broke within a week - awaiting repair/warranty. No response yet. Will update with results of warranty request.

    What others should know:

    Still cannot determine if sights can be changed.

  • 5.0 5.0

    5.0 5.0

    5.0 5.0

    Things I liked:

    It feels and operate really nice is field strippable and shoes good

    Things I would have changed:

    Nothing

    What others should know:

    Keep on selling quality gun and equipment

  • 5.0 5.0

    5.0 5.0

    5.0 5.0

    Things I liked:

    I SUPER excited about not having that warning information in plain sight.. infact it actually none .. I love that.. also this thing is as solid as a rock.. Very well constructed..

    Things I would have changed:

    The safety switch.. the serial numbers looks a lot better there. Besides it's a pretty hard place to make the transition from safe to Hot.. you need assistance to using that switch And the power is low.. still not a deal breaker for me.. I love this Glock17 plinker..

    What others should know:

    It's a must have whether you are a collector or not it's and awesome plinker.. I purchased it strictly for the aesthetics and it's take down abilities.. Very well constructed solid like a rock..

  • 4.0 4.0

    4.0 4.0

    4.0 4.0

    Things I liked:

    Its a fun gun to shoot & the blowback is cool.

    Things I would have changed:

    It would be nice if it didn't go through co2 as fast.

    What others should know:

    You get about three magazines per co2 canisters.

  • 5.0 5.0

    5.0 5.0

    5.0 5.0

    Things I liked:

    Everything, well made, wonderfull finish, feels great in hand, sponge trigger like the real deal, strong blowback, full trade glock logo, even on the mag buttplate. Great grouping, easy to field strip, no mark left on the barrel by the slide like many other models. Perfect!

    Things I would have changed:

    Box instead of plastic clampshell for the package

    What others should know:

    Get one!! Or two!

  • Previous 123

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