Weihrauch HW100KT FSB .177

hw100 tk fsb .177 and a shot magpie

Good points

  • Accuracy
  • Build quality
  • Lightweight
  • Thoughtful magazine design allows for one-piece mounts
  • Practical stock design
  • No need to drill to fit a bipod
  • Air cylinder unscrews
  • Comprehensive package
  • Lifetime free servicing and warranty

Not so good points

  • Trigger could be better
  • Two bits of plastic that should not be there
  • barrel shroud is designed more to look cool than to suppress the noise
  • 7mm Allen key to unscrew muzzle cap not bundled
  • Not practical to shoot with a “thumbs up” hand stance.

I chose HW100 over the Daystate Huntsman Classic as my main hunting rifle: this has been a difficult decision, taken on a rational basis only, leaving the aesthetics out of the game. In some ways, the two rifles are very similar (shot count, weight, multi-shot..) but they couldn’t be more different as resulting platforms. The HW100 offers in my opinion a stable, solid platform onto which you can mount anything. It has a long graduated scope rail that – unlike most PCPs – can take a one-piece mount, which stiffens everything up and can take more abuse than a two-piece one before the zero needs rechecking. The wood isn’t 1mm thick like some other guns and will accept a (specifically designed) sling stud as a direct replacement of the fore-end stock screw. As a result, when fitting the bipod, the wood is not stressed right on the newly drilled hole and will allow a lot more confidence.

In favour of the Huntsman:

  • Bolt loading
  • Trigger (oh man, awesome trigger)
  • Traditional sporting rifle layout
  • Thumbs up not a problem
  • Reflex silencer doesn’t add much to the length
  • Daystate customer service

Against the Huntsman:

  • Biggest defect: unfortunate magazine design makes it impossible to fit my Falcon Menace without extra-high mounts.
  • Maybe a bit too small for me.

In favour of the HW100:

  • Fantastic magazine design: one-piece mounts not a problem

Against the HW100:

  • Lack of thumb-up support on the stock

I’m not going to tell you that one defect is that it doen’t do 10,000 shots per fill. I knew this was gonna be the case and surely the gun couldn’t do that with such a small cylinder. What I am going to tell you is that my biggest complaint about this lovely gun is the trigger. The factory setting was some sort of joke, with a loooong 2nd stage creep, which was cured by turning the rear adjustment screw anti-clockwise. Now the second stage breaks crisply but the first stage is now ridiculously long. The other unforgivable shortcoming is that the trigger blade is made of plastic (polymer you say?), as is the magazine retainer lever. I suspect this is due to the complex shapes of these two bits, nonetheless to me there are only two materials a rifle should be made of: wood and metal.

The side-lever thing. Yeah, Marmite again. I just love to see a shiny bolt protrude from the side of a gun. Side-levers make me think of Olympics target shooting, not hunting. But this time I had decided I was gonna choose the gun with my head rather than with my eyes and if I could not fit my favourite scope on a gun the way I wanted to, that wasn’t gonna be my gun of choice after all.

So, my main requirements for the new gun were:

  • MUST be able to fit the Falcon Menace 4-14 FFP with high mounts
  • Pin-point accurate (I wanted to extend my hunting range to 50m)
  • Multi-shot
  • Small but solid platform
  • Good trigger

Because both guns more or less tick all boxes except for the first one, it was clear that was gonna have the last word on which one to choose: the HW100. I can mount my Falcon Menace where I want it and how I want it: high one piece mounts for me please. Job done. You can’t beat that. Rifle and scope are a whole, a unity, one single tool. In fact, you can’t shoot without a scope (open sights? Good for shooting people 50m away, not pigeon heads at 40m). And this time no, I wasn’t gonna follow the hype and get one of them awful MTC with their xmas tree reticle, not for me thanks, I know better now. I can zoom my scope where I want and the aim points stay the same. Makes me wonder why aren’t all designed like that.

Testing pellets

I lined up a meaty selection of pellets desperately hoping at least one would perform well. That means that the gun should produce one-hole group the designed zero range (for the chosen AA Field and given a 20mm kill zone and 780fps average pellet speed, the optimal primary zero is at 31m).

So in went:

  • HN FTT
  • RWS Superfield 4.51 and 4.52
  • Daystate FT Select 4.51 and 4.52 (no longer available but I have loads)
  • Weihrauch FT Special
  • AA Diabolo Field 4.51 and 4.52
  • Daystate Li (Shame on you Daystate, they are just the old Webley Accupel only rebranded. You didn’t even bother changing the tin, which is the best thing about them anyway).

Result: AA DF 4.52 and HN FTT win hands down. The AA showed more consistent grouping (no flyers, whatever that means). Pellet of choice then.

Some figures for the AA @ 8.44 grain:

  • highest speed: 785fps
  • lowest: 775fps
  • average energy at the muzzle: 11.40 ftlb

The picture below shows the best 5-shot group I have managed with the AA (it’s the one next to the 5p coin). That really is almost the size of the pellet itself but five of them went in there. I suspect that if I got the trigger the way I want it, groups like that would be more common. Not too bad though.

One of the AA Diabolo Field tests: the best group is next to the 5p coin

A view of my shooting bench

Earning its keep

[.. might be continued]


15 Responses to Weihrauch HW100KT FSB .177

  1. Stewart Holmes (@treecare) twitter says:

    Thanks, I have use a Weihrauch for a number of years. This was a folder. Now I am looking at the PCP and the HW100KT is the one I am going for.

    • Fran says:

      Thanks for your comment Stewart, sorry about the delay, I somehow missed it.

      The KT is the one I would go for myself as well now, as opposed to the FSB, mainly because the shroud doesn’t really do its job and I have to use the silencer, making the lot slightly longer than the normal KT.
      I then found out that the cap holding the buffers inside is superglued to the shroud, which will need heating in order to remove.
      I also suspect the FSB has a thinner barrel than the standard 16mm.


  2. - says:

    This website is great. I like it.(www.linkspirit.net)N_X_D_S.

  3. Michael says:

    excellent review, best review I have read regarding the hw100, I have the same scope and own the hw100T wanted the hw100T, as this has the larger cylinder and better shots per fill than 60 from the carbine, you can buy a alloy cylinder from http://www.A&M custom gunsmiths.uk ,this alloy cylinder will
    increase the shot count by Approx 40,shots per fill on carbine and full length models depending on how the rifle is set up from factory, please tell me! what make and model are the mounts you used to fit the falcon scope in the above photos, this one peice mount is an excellent idea on a rifle that is used outdoor in the field, as the do get knocked around,
    thank you

  4. Michael says:

    There is an alloy cylinder you can buy that screw’s onto all hw100 models, you can buy this cylinder from http://www.A&M custom gunsmiths, this alloy cylinder will give you approx 40,shots more per fill, on the carbine and full length models, this cylinder is half the weight of the factory cylinder this makes the hw100 so much better balanced and handling and carrying around, this also makes it lighter so you can fit a lager scope and bipod, there is also an, air gage fitted to this cylinder.
    thank you.

    • Fran says:

      Thanks a lot for your comments.
      The mounts are Sportsmatch UK model OP25C, 1 piece double screw 30mm tube diameter.
      The one piece mounts are a good idea whenever possible, but especially so on the HW100, on which the action is made by two pieces held together with two screws so a one piece mount adds rigidity to the whole unit.
      I didn’t know the A&M cylinders added that many shots, that’s brilliant, thanks for that mate.

  5. Michael says:

    Fran, please, mate, will you tell me! what bipod you used on the hw100 in the above photos.
    I, need a bipod and like the one in the above hw100, what make is the bipod and what size as it maybe waht I, am look for…is it a Harris, or a cheaper make, thank you,
    kind regards Mick.

  6. Fran says:

    Hello Mick, sorry it took me so long to reply.
    The bipod I have is a Harris Model S-L 9-13 inches.
    If you’re gonna use it for hunting, make sure it’s a swivel model, it makes your life a lot easier 🙂

    I am going to buy another bipod soon, but this time I’m probably gonna go for a cheaper JSRamsbottom one, I’m not sure the Harris is worth nearly three times the money.. although this thing has never let me down in a year and a half of constant use, and it’s just as springy and solid as it ever was.
    The Harris is certainly very well made, but I have no first-hand experience of lesser models so I can’t really compare it to another one.
    Hope this helps

  7. diet shots says:

    This design is steller! You definitely know how to keep a reader amused.
    Between your wit and your videos, I was almost moved to
    start my own blog (well, almost…HaHa!) Great job. I really loved what you
    had to say, and more than that, how you presented
    it. Too cool!

  8. Michael says:

    Fran, I have been pellet testing to find the ultimate pellet for the utmost accuracy for the hw100
    I have been through 100’s of pellets testing at all ranges even out to 100,yards..Fran I have found that pellet, I know all air rifle Barrels are not the same even the same make and model.however the pellet that grouped and I mean outstanding for all normal air gun ranges and even out to 90,and 100,yards in sub,12,ft/lb .177,cal that pellet is the ( JSB EXACT EXPRESS IN 4.52,HEAD SIZE, don’t think that the lighter weight of this pellet makes it drift in the wind my tests prove it was better than all tested, please try this pellet, I also tested this pellet in my mates hw100 with the same amazing results.

    kind regards Mick.

  9. Alex watson says:

    What silencer does this gun pictured have on it?! It looks great!!
    Have seen posts on the FSB cap ensctewing etc. was this to accomodate the male unf adapter?!

  10. George says:

    I am looking to get a hw100 and I do like this model very much! Especial the barrel length! Could you tell me the exact model name and barrel length and the moderator you use! Or do use the adapter in the fsb port to use another moderator! Also where did you get it from?



  11. David Lewis says:

    Great review. I’ve read that the trigger on the Hw100kt is match standard. I hope the second stage issue is fixed from the factory.
    I wanted to ask about the bipod, what make and cost is the bipod which can be mounted to the original screws?
    Picking my Hw100kt up on Tuesday! Cannot wait

  12. Pedro says:

    Hi Fran,

    I´m a great fan of your blog. I´ve just bought the HW100 KT FSB based mainly on you review (among others) and I was meaning to get a Vortex Viper PST 4-16x50mm for it. How can I know what kind of mounts I would need to mount the scope on the HW100? Many thanks, Pedro

  13. Lee says:

    Nice write mate. Can you tell me what mounts you are using

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