Moderator on my FX King. (Yokozuna)

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bat54action

Member
Feb 10, 2018
111
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pa, United States
Because of the noise level on my new FX King in 30 caliber, I purchased from Utah Airguns a Yokozuna moderator. I went through numerous video watching on Youtube about this and the quick disconnect. I am experiencing some very severe accuracy issues that I will research later but for now I will tell you about what I ran into that really alarmed me.
I installed the quick disconnect and then the moderator and shot it. I was completely missing the target at 25 yards which was on an 18x18 inch piece of plywood. I decided to remove the moderator and just shoot it stock to check the accuracy. So I disconnect the moderator and remove it. Then I go to remove the quick disconnect and the piece in the barrel came out with it. No problem I'm thinking...I take the part in my hand and to my suprise it has basically seized itself to the moderator quick disconnect. I'm trying really hard to seperate these two pieces but with no success, and I am NOT about to use any sort of tool to try and take them apart. After letting the part sit for a while, and coming back to the problem with dryer hands, and maybe a better head on my shoulders, I was able to seperate them.
So here is my question...To avoid this issue again, should I put a very small amount of something like neverseize on the threads of the rifle before I install the quick disconnect??
I know that when I put the disconnect on in the first place that I ONLY finger tightened it. I don't know how it became so tight on the rifle. Maybe possibly from shooting the rifle.
I don't really know. But it really got tight.
Anyone ever experience this? And if so, what did you do to solve this issue?
Thanks, Gene from Pa.
 
Yesterday I was finally able to get a decent set up and shoot my new FX King with my new Yokozuna moderator on it.
I applied some anti seize on the threads and that definitly seemed to do the trick. But I am having a problem with the moderator which later on today I plan on reaching out to the people of Utah Airguns to see what can be done about it. I will explain here first of all just in case there has been others with the same experience.
After shooting numerous times without a moderator, basically to see how accurate the rifle was,(or wasn't), the rifle really performed well both with slugs and pellets.
So now I installed the moderator on it. The POI changed probably 3 inches! This was only 35 yards away! I shot two shots right on top of each other.Then I fired three more times and the POI moved about 3 inches! All three shots were very close to each other though. I remover the moderator and test fired other pellets and slugs to find that the POI was very consistant and accurate. Again I reinstalled the moderator only to have the same problem come right back again. I examined the moderator and to me anyway I could not see any signs of clipping. I do believe that something is causing a change attributed to the moderator. Again, it's not like it is spraying pellets everywhere, but it is definitly shifting the POI as to where it can't be used for hunting. It really quieted the rifle down though. I think at this time though, if the moderator did not have a quick change on it, there would not be this issue.
Just wondering if anyone else is experiencing an issue like this.
 
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Chief Ten-Beers said:
Although much less costly, My Buckrail Mod did much the same at first. But after feeding many more pellets through it, it settled in and POI remains the same.
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I don't know why it would help to feed more pellets through a moderator to get it to stop the issue I am having, but again if it works it would be great. What I think is going to happen is I will probably end up buying an Impulse, (like I probably should have done in the first place), and put this Yokuzuna back in my closet.n This moderator will shoot accuratly as I have found out, but at 35 yards having a 3 inch POI change is not acceptable. I believe that there is probably an issue with the quick disconnect. I will keep playing with it to see if it straightens itself out. I'm also going to try and reach out to Donny FL to discuss this with them.
 
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I had the same issue with my FX King .30 cal. and the Yokozuna mod. I took it apart and noticed pellet clipping on the mouth of the moderator and on the last baffle, I removed the longer baffle to make it shorter and still clipping the mouth, so I ran a 3/8 drill bit through it and will try again. All my moderators are Donny FL and really like them, but I'm very disappointed with the Yokozuna
 
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bat54action said:
Yesterday I was finally able to get a decent set up and shoot my new FX King with my new Yokozuna moderator on it.
I applied some anti seize on the threads and that definitly seemed to do the trick. But I am having a problem with the moderator which later on today I plan on reaching out to the people of Utah Airguns to see what can be done about it. I will explain here first of all just in case there has been others with the same experience.
After shooting numerous times without a moderator, basically to see how accurate the rifle was,(or wasn't), the rifle really performed well both with slugs and pellets.
So now I installed the moderator on it. The POI changed probably 3 inches! This was only 35 yards away! I shot two shots right on top of each other.Then I fired three more times and the POI moved about 3 inches! All three shots were very close to each other though. I remover the moderator and test fired other pellets and slugs to find that the POI was very consistant and accurate. Again I reinstalled the moderator only to have the same problem come right back again. I examined the moderator and to me anyway I could not see any signs of clipping. I do believe that something is causing a change attributed to the moderator. Again, it's not like it is spraying pellets everywhere, but it is definitly shifting the POI as to where it can't be used for hunting. It really quieted the rifle down though. I think at this time though, if the moderator did not have a quick change on it, there would not be this issue.
Just wondering if anyone else is experiencing an issue like this.
Click to expand...
Are you saying the POI shifted when installing the moderator for 2 shots, and then POI shifted again 3” for the next 3 shots? You said it is not spraying pellets. Normally, with clipping, it’s spraying…

So is the shift just happening once at 3” and then staying consistent there? That is what you should expect with most moderators.

If it’s only shifting once, you change your scope to the new POI and it doesn’t affect hunting or anything else. This is a big, heavy mod and will definitely shift your POI. You would set up for shooting with the mod and not change it.
 
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After talking to a gentleman at DonnyFL who was very helpful, he explained to me that a quick change adapter on a caliber of this magnitude, was probably not a good idea. He sent me a part so it would no longer be a quick change. I received it, installed it onto my rifle and headed out to shoot it. I had no problem getting great accuracy out of it. When I go out next time, I'm going to take it off and reinstall it to see if my POI changes. This moderator will probably just remain on the rifle though, but I just want to see what happens to it once I take it off.
Again, THANK YOU to DonnyFL for their great service and to help me out on this issue!
Gene from Pa.
 
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Smok3y said:
Are you saying the POI shifted when installing the moderator for 2 shots, and then POI shifted again 3” for the next 3 shots? You said it is not spraying pellets. Normally, with clipping, it’s spraying…

So is the shift just happening once at 3” and then staying consistent there? That is what you should expect with most moderators.

If it’s only shifting once, you change your scope to the new POI and it doesn’t affect hunting or anything else. This is a big, heavy mod and will definitely shift your POI. You would set up for shooting with the mod and not change it.
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You're definitly correct! Once I get it all sighted in I don't plan on taking it off.
 
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bat54action said:
After talking to a gentleman at DonnyFL who was very helpful, he explained to me that a quick change adapter on a caliber of this magnitude, was probably not a good idea. He sent me a part so it would no longer be a quick change. I received it, installed it onto my rifle and headed out to shoot it. I had no problem getting great accuracy out of it. When I go out next time, I'm going to take it off and reinstall it to see if my POI changes. This moderator will probably just remain on the rifle though, but I just want to see what happens to it once I take it off.
Again, THANK YOU to DonnyFL for their great service and to help me out on this issue!
Gene from Pa.
Click to expand...
If they knew the QC was not a good idea on a .30 cal, why make it? That was the only reason why I went for it :mad:
 
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Nitroheineken said:
If they knew the QC was not a good idea on a .30 cal, why make it? That was the only reason why I went for it :mad:
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I believe that the quick detachment is the same from one gun to another, as long as the thread size of the rifle, and the QC adapter are the same. I don't think that there is any difference in the quick change module from lets say a .177 to a 30 caliber. The only difference would be in the actual moderator, where the difference in the caliber would be. Again, I'm not saying that it wouldn't work on some guns, but it definitly didn't work on my rifle.
 
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I purchased mine for a .30 cal to .. but the QC was never to my liking being that airguns are finicky with harmonics..so I ordered mine with a solid end cap . Awesome mod no problem at all .. as for any othe new yokozuna buyer .. these mods are tight bore , + they are heavy so in some guns baffles will need to be removed for the harmonics to work..
Nitroheineken said:
If they knew the QC was not a good idea on a .30 cal, why make it? That was the only reason why I went for it :mad:
Click to expand...
 
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Another thing the gentleman told me at DonnyFL, was to experiment with removing a baffle or two. He said I might be suprised as to the noise level reduction, or possiblt the lack of. Worth a try but after shooting it the other day I actually thought it may be quieter by using the screw on moderator opposed to the QC. Can't really believe that it would be a difference,(if any), as to the noise level.
 
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Trucker3573 said:
You could try a cheap mod for comparison? Buckrail makes a cheap mod and it works great ( .30 mod) on my .25 and .30 guns. QD is just gimmicky to me. It takes .5 seconds longer to unscrew one.
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I'm with you on this one..I have no problem unscrewing it opposed to the QC. Just something else to go wrong!!
 
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