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Thread: Air Rifle FAC conversion.

  1. #1

    Air Rifle FAC conversion.

    I've got an HW35 in .177 sat here doing nothing at the moment. Is it worth applying for a FAC rated air rifle, then having it converted? I don't know much about this subject, but assume that it won't be able to reach the ft/lbs of a pre-charged rifle? Also, is a .177 pellet travelling at FAC velocities going to impart enough energy? It will be used mainly for rabbits.

  2. #2
    Depends what you are looking to achieve. I suppose you are thinking of extra distance. I have standard AR and FAC springer Diana 52. Still prefer the .22 rimmy if I need a little more distance. If you can convert the HW35 you will probably only achieve another 10m usable power from a spring conversion and you may lose out on accuracy.
    It's accuracy that kills.

  3. #3
    Rifles can be uprated to FAC requiremants and the final power within reason would be your choice. I run an Air Arms 410 at 28 ft lbs and find this good out to 60 odd yards on rabbits, However, I think if I were you I would keep your current rifle as it is and look out for a decent secondhand FAC rated one as these can be picked up quite cheaply.
    FAC rated air weapons have their place and can be very useful indeed at times, but they are never a complete replacement for a 22 rimfire. Incidentally I would suggest that a 177 is better running at 12 ft lbs but an FAC rated rifle would be better in 22

  4. #4
    I agree with the above, 177 is not warth FAC`ing really, .22 is ideal.. Personally Ii would leave this one standard as the HW35 is not a very tunable rifle. And avoid overpower springs, like OX etc,, total waste of cash and you stand more chance of making the gun a **** to shoot.
    If you need FAC air, then go pcp.

  5. #5
    Can't see that a HW35 would give you much more than 12fpe anyway, and would most likely turn into something nasty to cock and rough to shoot. I would get an FAC air slot, sell the 35 and buy something else. Recently saw an HW80 in FAC (18fpe approx) for 80 on the BBS, there's one on Guntrader for 180 now.

  6. #6
    Quote Originally Posted by Rake Aboot View Post
    I agree with the above, 177 is not warth FAC`ing really, .22 is ideal.. Personally Ii would leave this one standard as the HW35 is not a very tunable rifle. And avoid overpower springs, like OX etc,, total waste of cash and you stand more chance of making the gun a **** to shoot.
    If you need FAC air, then go pcp.
    +1 - It wouldn't give enough extra to even try. If you push it it with BIG springs its will then shoot like a shotgun.

  7. #7
    I put a Titan XS spring in a HW80 25 years ago and through the chrono it was an impressive 27ft lbs....couldn't hit a barn door with it and the safety broke after 10 shots, with a steel tipped pellet it went straight through both sides of a steel dustbin...but who hunts dustbins??

  8. #8
    Theres plenty to do to convert your HW35, give it to a gunsmith to open up the port ,place a better spring in it, and also give it a good polish,,these 3 methods willup your poundage ,not sure to what until you place it on a chrono.

    but lets say, it will be more than 18 maybe upto 22 ft lbs

  9. #9
    Thanks for the replies. I might just ask my local gunsmith to tune it up to the legal limit for me. It doesn't seem to have much to it at the moment, but then I've not really used an air rifle since getting a .22RF twenty years ago. A pre-charged .22 would be ideal for some of the land I shoot over, but that might have to wait until I have a bit of spare cash.

  10. #10
    To be perfectly honest i wouldnt FAC your 35 as people has allready mentioned. If you really want a FAC 177 buy one allready in that state.
    I had a .177 FX2000 running about 18ft/lbs which is perfect in the calibre but to be perfectly honest it only gave me a few more yards and it wasnt worth the hassle stick with .177 in sub 12ft/lb. If you really want FAC air my honest opinion is go for .22 or .25 in PCP like a Theoben Rapid/AA 410/510 form.
    I also used to own a .22 Theoben Eliminator , beautiful looking gun but just too big and awkward it was like hunting rabbits at 60 yards with an SLR
    I really dont think the 35 would be good choice in FAC and espically not in .177 , if it has to be HW breakbarrel then an 80 at 20ft/lb in .177 would be my choice
    cheers
    craig

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