BLACK MAMBA: FX IMPACT "DETUNING" BenchRest 25y

Forums Benchrest Benchrest Talk BLACK MAMBA: FX IMPACT "DETUNING" BenchRest 25y

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    edosan
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    I will, thanks for the encouragement! 

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    nomojo65
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    My shooting buddy and I have been talking for a while about the Fx impacts being competitive in 25m br, barrels are fine, the triggers “TERRIBLE” the mag. Feed not so good but fixable? Think it might be inconsistent in the bags but believe it’s doable? Could be a fun experiment! Next problem is it might chew up valuable time away from our primary 25m competition guns! there are very,very good shooters in our club, so if you don’t practice with your primary gun to stay consistent with that gun you will fall behind FAST!

    • This reply was modified 4 months ago by nomojo65.
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    Centercut
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    Yes, I haven't seen many shooters with Impacts at 25M BR competitions. Thomas, RAW, USFT, etc. But, his 744 would be competitive anywhere at any competition in the world at 25M. Look at the scores in the US National and also the World competitions.  744 would win a lot of them…So maybe Impacts can be competitive with a very good shooter. Yes, he was shooting Open Class, but most of the time the Open scores aren't any better, and sometimes worse than the HV and LV scores. The only variable we don't know are the wind conditions that he shot in, but hey, he's in Chile, when is it not windy?  ;)

    • This reply was modified 4 months ago by Centercut.
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    nomojo65
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    I never said he or anyone else couldn’t be competitive with impacts or I wouldn’t even consider it myself! but when you are used to shooting one platform “which he is” its harder to get up to speed with a completely different style of gun than what I’m used to shooting in competition. ( not to mention the time to test etc. that you can’t easily do outside in Mi winters! )

     

    • This reply was modified 4 months ago by nomojo65.
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    edosan
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    Wind was not so rough, and I did not use a FrontRest, only my bipod, here is a pic just before shooting on 25m (or yards … mmm donno)

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    nomojo65
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    That’s pretty AWSOME! Shooting off a bipod especially!, better shooter than I for sure! Good luck in future events and keep us posted on your impact in 25m

    • This reply was modified 4 months ago by nomojo65.
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    Centercut
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    @nomojo65, I didn't mean it that way. I was more thinking that in swirling winds, 744 is just about impossible, so his "winds" were probably light  and not swirling. Look at the overall winner at RMAC 2019 at 25M BR, who had a score of 732-28x out of over 60 shooters and won with a .22 Impact.  And that is in Unlimited Class where some shooters were shooting 50 FPE .22 caliber RD Monsters.  But even with light or no winds, 744 is a great score…

    • This reply was modified 4 months ago by Centercut.
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    nomojo65
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    I agree, 744 is a great match score!, I think 741 is the highest match I’ve ever shot!

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    edosan
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    I like to put names on my Rifles, Silver Surfer is the Big Kahuna! jajaja (my other impact) but this one I will call it BLACK MAMBA (accurate bite!) , still need work to do and get 0.177 and a few more things… new scope …  :D (just having fun guys)

    • This reply was modified 4 months ago by edosan.
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    Glem.Chally
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    edosan

    I like to put names on my Rifles, Silver Surfer is the Big Kahuna! jajaja (my other impact) but this one I will call it BLACK MAMBA (accurate bite!) , still need work to do and get 0.177 and a few more things… new scope …  :D (just having fun guys)

    If you get .177 let me know,  don't hear much about that cal and impact. 

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    edosan
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    I will! Working on it

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    TexasAirGunner82
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    Seems like 25m is close for the impact.  Do u have to shoot 177?  Or any size in these comps?

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    edosan
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    TexasAirGunner82

    Seems like 25m is close for the impact.  Do u have to shoot 177?  Or any size in these comps?

    0.177 is coming this way for testing, so far only 0.22. 25y / m is a mm game, ultimate precision. Seems easy, but is not, specially with LV and HV restrictions.

    • This reply was modified 4 months ago by edosan.
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    nomojo65
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    Waiting on new Impact right now? With.22 and .177 500 and 600mm barrels, my friends Impact is more accurate with.22 barrel right now! But he is having problems with keeping it  below 20ftlb’s and still be as accurate! he really wants to be in HV class as I do, that’s where the .177 comes into play🙏🏻

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    edosan
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    Nice, we can compare! good thing I know all (well almost) about modding the impact so I can manufacture new pieces to replace stock one in order to get the best of it, did it already on power settings (one of my impacts shoots 150+ fpe) now I want to do it in the 12 and 20 fpe … hands on! jaja ;)

    I will also fit a LW barrel, I have seen in poly air chocked with 6 and 12 grooves, any advice? fx have 500mm only…I prefer 600 or 700mm

     

    • This reply was modified 4 months ago by edosan.
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    nomojo65
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    I’ve had really good luck with LW-poly barrels in both of my RAW’s but they came directly from Martin Rutterford but do believe they hand picked and lapped etc.? As far as land & groove barrels my LW-12 groove was extremely accurate on my TM model! I don’t have the skill or machinery to do what your thinking or I would try it, my main concern is getting a .177 FX barrel to shoot in USARB HV CLASS and if I can get velocity down to about 820fps with 13.4gr jsb’s and still be accurate? I was thinking 500mm barrel, I think that’s all the .177 is offered in?

    • This reply was modified 4 months ago by nomojo65.
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    edosan
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    In 177 yes 500mm pellet liner A is all I found.

    Lw 12 grooves then, thanks!

    • This reply was modified 4 months ago by edosan.
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    nomojo65
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    Well edosan, I want to make it clear, most will tell you the poly barrel is the way to go! And I agree for the 13.4 jsb’s  (maybe I just had an exceptional 12 groove?) also the 12 groove liked the 10.3’s better! I believe it has more to do with the thinner skirts of the 10.3’s conforming to the land’s & groove’s for a better seal between pellet and barrel? IMO? 

    • This reply was modified 4 months ago by nomojo65.
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    edosan
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    one more step

    0.177 barrel with telescopic shroud just arrive!

    Damn! that is a small port !! jaja

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    edosan
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    Tiny pellets!

    Shooting out of the box nothing special, found the port is to small and restrict the air, will work on that (pellet probe and brass port) and check again. (Max speed was 850 when with the same settings the .22 18.2 gn goes 950 fps) only difference are those ports. Went sub12 (700fps) with no problems.

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