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  1. NAProf

    FX Any plans for different sized DRS Plenums?

    DavidGowen22, Anything to report on possible mid-sized plenums for the DRS? It has been a couple of months. I am willing to bet that just about anyone who bought a DRS Classic in the US would be interested in a 30 cc ish sized plenum. Cheers, Greg
  2. NAProf

    30-Yard Challenge

    Thanks Ed! Yes, it sure looks like that could have been the problem. However, I still had plenty of air as I shot two more cards after this. I am going to look at my pellet measurements for those shots to see if they fell into a certain range and I will check the velocities to see if there...
  3. NAProf

    30-Yard Challenge

    Hi Again, Really nice day today here so I got a bunch of shooting in. I am evaluating the AEA 21.9gr .22 cal pellets in the Nordic Wolf Crown. The 500mm .22 barrel has given me really good results with the FX and JSB 18.1 gr. To do the evaluation I measure and weigh 192 pellets (eight...
  4. NAProf

    PCP Rifle FX Crown MkII 500mm .22 in GRS Stock

    FX Crown MKII with Nordic Wolf GRS stock. This rifle is set up with a 500mm .22 barrel. Asking $1500 TYD for rifle with, two FX magazines, and a hard case (scope, wheel and bipod not included). PayPal (FF or invoiced if you pay additional %) preferred. I machined out a place for an inset...
  5. NAProf

    FX Fx crown leak !!

    Uh oh! I just realized by looking at the picture you provided that your Crown is likely a MkI. If so, it is possible that the regulator body is the smaller 8mm one instead of the newer 10mm one. That would mean the sizes of the o rings I provided are incorrect. You'll have to check your...
  6. NAProf

    FX Fx crown leak !!

    Hi, This is the breather hole for the Bellville Spring part of the regulator. As stated by bchannell above, air leaking from here means one of three o rings on the regulator are bad. Below is a video from Sub12Airgunners on rebuilding the regulator. They do it for an Impact, but the...
  7. NAProf

    30-Yard Challenge

    Hi Guys, I shot this card the other day but didn't get around to scoring and picture taking until today. It is my first card with the FX FDR Classic 500mm in .177. I am getting closer to a good tune as I was able to shoot a 30yd Challenge - 192-8X. So put it on the Leader Board so I have...
  8. NAProf

    FX 380mm Crown .25 barrels

    I have a 380mm .22 barrel kit I bought from an AGN member. I then put together a 380mm .177 barrel by buying the .177 380 liner (from Mundilar Airguns) and all the .177 parts needed to make a barrel except the shroud as it is the same for .177 and .22. All in all it was less expensive than...
  9. NAProf

    30-Yard Challenge

    Hi Guys, A really nice day here near the beach and for a change light winds. Decided to try out the NW Crown with some new pellets. I shot the AEA 21.9 gr .22 pellets (because I ordered them by mistake instead of the 18.3 gr). I had shot a lot of H&N Barracuda Match 21.4gr in my Maverick...
  10. NAProf

    30-Yard Challenge

    Wow Tommy, the 199 Card must have a sub 1/4" spread over all 20 shots - Awesome. You have the RAW dialed in!! Cheers, Greg
  11. NAProf

    FX FX Crown regulator??

    HI, If you are going to replace the regulator O rings may I suggest that you watch the video below. Sub12Airgunners are among the best at explaining how to do things on airguns. I also suggest investing in some "Jeweler's Glasses" to help you when working on the O ring in the receiver body...
  12. NAProf

    30-Yard Challenge

    Tommy, On the DRS the air cylinder is wrapped around the barrel. The carbon fiber "shroud" that you see is the air cylinder. It has about 210cc of air and another 30cc in the fake magazine plenum. I sort of followed a video by "Tilly's Gunstocks" to make my own adjustable cheek riser as...
  13. NAProf

    30-Yard Challenge

    Hi Guys! We have had decent (not too windy) weather the last two days so I have been sending "lead downrange". Unfortunately the results haven't been much to speak of. Haven't had much luck with the NW Crown in .22 since I switched it back from .177. Still fine tuning it. The problem is...
  14. NAProf

    FX Angled Manometer Question

    Hi, You absolutely need to plug the hole if you are moving the gauge. It seems to me you have a couple of choices. You can send the kit back to where you got it as the $29.99 kit from Utah Airguns includes the plug. You could call UA and have them send you the plug for a likely small...
  15. NAProf

    FX DRS Valve

    Hi, Saw that Bagnal and Kirkwood have all three different valves and valve pins. Is that a FORM stock on your DRS? I have one being made now :D . Cheers, Greg https://spares.bagnallandkirkwood.co.uk/product/fx-drs-modular-impulse-valve-seat-different-power-versions/...
  16. NAProf

    FX DRS Barrel swap?

    Hi Guys, Did some checking on the schematics. The DRS uses the same barrel tubes, STX liners, o-rings (or CF Sleeve) and liner lock nut as the Panthera/Dynamic/King/ Impact. You would need a new liner, CF sleeve, and Liner lock nut for your specific caliber and length. The only barrel parts...
  17. NAProf

    30-Yard Challenge

    Tommy, I really should have said that the "spiraling" comment was aimed at the 40yd target and the three I didn't show. But I will try to explain what I am thinking when I say this. I think the technical term for what I am talking about is Nutation. It is an off-axis rotation about the...
  18. NAProf

    30-Yard Challenge

    Hi Guys, Been trying to get a couple of decent card for the leader board over the last few days. I just can't seem to find the right time of day to catch the least wind. The two I am going to show were both on 1-3mph with gusts to 5mph. The worst part was the wind was from my starboard...
  19. NAProf

    FX FX King berserk Fps

    Hi, Based on the weight of the slug and velocity I am assuming this is an FAC version of the Rifle. The reason I want to check is that FX makes different valve seats and valve pins depending on the power the rifle is intended for. I strongly suspect that you have damaged the valve pin, and...
  20. NAProf

    FX Fx Drs 700 .22 low pressure

    As the DRS Classic was apparently aimed at being a "Lower priced" entry level PCP they made it a pretty much "use as is" rifle. Good for newbies and those that don't take things apart immediately (unlike moi ). To adjust the reg pressure you need to take off the stock. And if you want to know...