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Aggy

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Posts posted by Aggy

  1. Hi guys I have decided to sell my Fx impact the spec is as follows 
    Mk1 fx impact
    Upgrades 
    Stx barrel system.22 superior liner 700 mm long 
    Huma power port 
    Slug probe kit ,hammer weights , spring kit 
    Power plenum 53 cc 
    Rear plates Picatinni rail ,top rail and shroud cerakoted 
    Large magazine kit .
    I have a full seal kit so will service the gun before it is sold ,it does have a small leak ,it will be an o ring I just need to track it down and replace it.
    £850
    Also for sale is the .30 barrel kit ,600 mm superior heavy liner, mag , shroud , end can .
    I bought this and haven’t really used it beyond set up and at the range 
    £250 
    Both items are on ticket , you MUST have an available slot if you wish to purchase either item 
    I am going to list both items on other sites 
    I may be open to px or swaps try me Face to face only

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  2. Hi guys I am now in a position to make slugs in both dish base and hollow base 
    Both my fac air guns have I believe 1 in 17.7 barrels one is polygonal the other a Fx stx superior There will be an optimal slug weight and speed at which you can push it for those barrels my plan was to start with 20 grain and go up in one grain increments until I find what works with both slug types ,in both guns 
    Is there a formula to use to get me in the ball park ?

    I would assume the light 20 grain slugs will not be great as they will be supersonic unless I also turn down both guns to suit .

    has anyone dabbled in fac with slugs 

  3. Have a look on you tube search a guy called sub12 airguner , Jeff does a huge amount with airguns ,forget the sub 12 bit they all work at the same cylinder pressure, if it was tight to un do it may have been thread lock , generally I just snug them up , the actual pressure will be held via o rings and things fitting correctly rather than being tight 

  4. Personally I would do it yourself 

    the puff of air will be the breach seal ,I would check out the foster fitting where you fill it for leaks before going too deep .

    I had an air ranger years ago and and made a power adjuster for it , Daystate said it couldn’t be done ,again from memory there was a sticker saying warranty void if removed and either a silver steel rod stopping me getting to take the bolt block off or odd fixing screws I really can’t remember I managed whatever without too much trouble though 

  5. 3 hours ago, Kevgun said:

    That's why the Rapid platform is so popular, it only has a few o rings, I have a Rapid MFR I bought new in 2003, other than 1 bottle o ring it's completely standard and untouched, British engineering at it's finest. 

    I also have a RAW HM1000x chassis rifle that is essentially the latest incarnation and updated rapid 

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  6. To be honest mk1 mk2 and mk3 all all belting guns 

    I have a sub 12 mk1  silly amount of shots 

    a fac mk2 quite a few choice bits fac .22 700 mm barrel 600 mm .30 barrel and just ordered a .25 700 mm barrel 

    for all out power the fx wins at the moment 

    but my fac RAW is a lovely insanity accurate gun to shoot 

     

  7. Hi all a last year I a Lee electric lead melting pot ,bottom pour ,not quite sure of the model,I also have quite a bit of lead some I cast into bun tin trays so it’s nice and clean some lead shot some lead pipe ect , it’s looking like casting for slug swaging isn’t the way to go . 
    anyone any idea what it’s worth ? 

  8. It can be a pain in the ass trying to chase the best tune ,things I can tune 

    twist rate on barrel liner two or three variations in each but the large calibres 

    barrel lengths 500 ,600,700and 800 mm

    regulator pressure 

    hammer weight 

    hammer spring rate 

    micro adjustment on the hammer spring 

    16 steps of hammer preload after that 

    transfer port shape and size 

    valve return spring rate 

    valve return spring preload to alter projectile timing .

    all have to be in balance,  basically decide what you want to shoot and at what speed the you can adjust everything, a chronograph is essential.

    barrel harmonics play a huge part in the whole set up too .

     

  9. Powder burners rimfire or otherwise are much much cheaper but they also have there drawbacks .

    with my impact I could go down to 12 ftlb in .22 and with the same gun go to a max with mine of about 70 ftlb , I can swap the calibre to my .30 cal and still shoot 60 grain slugs at over 110 ftlb , I can’t shoot to great distance but some are pushing them to 300 yard , and if you want to reall push them there are guns that will shoot 400 plus grain slugs still over 1000 fps .

    the thing about air is I can do all the work with the set up and shot to stop consistently is within 5 fps ,rimfire ammo isn’t that good 

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