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  1. HPP-Mechanic

    HW/Weihrauch I think this 1974 HW30 may need some attention...

    After cleaning up the piston, I’m thinking that the seal looks like a conversion kit… Did this gun come with a leather seal when new? Then I’m looking at seal conversions, and see some have a hole in the middle with an exposed screw, like in pics above, and others use a mounting puck under the...
  2. HPP-Mechanic

    HW/Weihrauch I think this 1974 HW30 may need some attention...

    I doubt this HW30 has ever been opened up. Cosmetically, outside, the gun is in good condition. Still accurate w/70's Weaver scope - needed no adjustments. Perfekt trigger is 3.15lbs average. Some air tube galling from the linkage... Gun still averaged 534fps w/7.4gr pellet. Take a look at this...
  3. HPP-Mechanic

    Gamo Gamo NP to spring conversion kit

    I have 1997 Daisy 1000, which is a Gamo, made for Daisy. I did the opposite of what you are asking. I converted the spring powerplant to a gas-ram. Way less parts- so you will need more parts that your gun doesnt already have (spring, guides top hat, and some other stuff. I gained about 70fps...
  4. HPP-Mechanic

    Henry Ford Crosman Repair

    Ive bought many, many rebuild kits from him. They always work & arrive in about 5 days.
  5. HPP-Mechanic

    N/A Spring or gas piston?

    Here you go; I have the .22 version & its very powerful & accurate. Almost entirely wood & steel, PCP power, but will require some arm strength from the shooter. Alot of Gamo-hate on the forums- Im glad that I didnt listen. https://gamousa.com/product/hunter-extreme-utimate-kit-25/
  6. HPP-Mechanic

    Sheridan What is a Sheridan? Really

    Please forgive my shameless cut-n-paste from another forum that I posted this on... Which one would you rather have? I have a few Blue Streaks & one C9A... A guy at work wants to buy a Sheridan from me, and I dont know which one to sell. I have a 1975, 1957, 1963, and a 1991 C9A. They all...
  7. HPP-Mechanic

    Traditional Rifle Looking for Sheridan Blue Streak bolt

    Im repairing a 1975 Sheridan Blue Streak & need a complete bolt- bolt, screw, curved handle. Message me if you have a spare to sell. Thanks
  8. HPP-Mechanic

    Tuning Hatsan 135 .30 cal tuners?

    Off topic here but Mike, have you done anything with the big Gamo gas ram magnums?
  9. HPP-Mechanic

    Traditional Rifle Blue Book of Airguns 13th edition

    Just like the title says; Im looking for the Blue Book of Airguns 13th edition. If you have the book & dont use it anymore, or have an extra copy???
  10. HPP-Mechanic

    Gamo NP Gamo mods

    Vortek was teasing with a "Bionic Piston & seal". It looked interesting & was briefly advertised on their website. These were going to be for the Magnum Gamo guns 33mm too.
  11. HPP-Mechanic

    Seneca/Sam Yang Has anyone tried to modify a Dragonfly?

    Also, do NOT get silicone oil in your pump tube/piston. It will seize up. Use some synthetic motor oil-smoooth.
  12. HPP-Mechanic

    Seneca/Sam Yang Has anyone tried to modify a Dragonfly?

    I run a BuckMark? on mine at all times-its quiet. The pumping action is loud as hell though. Linkage slop pops & clacks with every stroke. Maybe a Mk3 will come out with billet linkage? wishful thinking...
  13. HPP-Mechanic

    Seneca/Sam Yang Has anyone tried to modify a Dragonfly?

    A few guys have messed with them (myself included) and the gun responds well. Do some searches, info is out there. The weak link is the pump linkage; it has its limits... Hammer spring, transfer port, pump headspace, valve porting,,, its a fun gun to tinker with.
  14. HPP-Mechanic

    RWS Can anyone help id this springer?

    My thoughts too. Thanks for the input.
  15. HPP-Mechanic

    RWS Can anyone help id this springer?

    Seller is firm on $150 asking price. Looks a little rough for that kind of money. He says he never fired it… yay or nay?
  16. HPP-Mechanic

    RWS Can anyone help id this springer?

    Seller thinks It’s from the 60’s. It’s a .177 and thinks it’s a RWS? Does anyone recognize this airgun? Looks like barrel got a bad paint job & can’t read the writing on it anymore.
  17. HPP-Mechanic

    What rifles have you bought twice?

    I came close to selling mine, and realized I couldnt replace it with anything else; Dollar vs accuracy & power.
  18. HPP-Mechanic

    Sheridan Are Sheridan air rifles that much better than Benjamin?

    Here are my 2 Sheridans; both .20 cal from Racine Wisconsin. The pistol looks much better now after a disassemble & cleaning.
  19. HPP-Mechanic

    Sub-$200 Scope Recommendations for a Springer

    I have Hawke & Hammers scopes on some powerful airguns, but i use a zero-recoil mount on all of them. They are $20 on Amazon.
  20. HPP-Mechanic

    Sheridan Sheridan model H score

    I traded for this early(1st year) model H. The owner didnt think it worked, but it seems to shoot just fine. I asked on another board, but got no replies... The pump handle is wood, and the grips are plastic... Maybe they were changed at some time? My only gripe is that the pump arm falls...