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was thinking of trying a modular moderator but..

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Deleted member 58109

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I've been thinking of trying a modular moderator such as the Ryu or Yokozuna
or maybe a impulse air 1350 -1200.
my question is why they would recommend a 30 Cal mod for a 25 Cal?
i had thought they were sized to caliber to keep quiet or maybe because I'm shooting 30-34g slugs.
also recommend i buy a couple extra baffles which makes sense for tuning purposes.
i have no issue with the factory hollow can that came with it its quiet and shoots well.
i was just thinking maybe with a modular you could tune better by adding or taking away baffles.
but i had also thought to stay correct to caliber due to it will be a louder bark? not sure 100%
what's your thought?
 
It's the price you pay for modularity. There's tolerance stack up at play. To get it really precise, with a lot of pieces in the part, would cost a lot, so instead, they open up the hole to prevent baffle strike. So you get a little more noise, a reasonable cost, and a modular set up. Really, it's about economics. Every screw joint has a tolerance or position slop to it. You can make a better fit, but it costs more to make.
 
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Gerry52 said:
The .05 difference between using a .30 mod on a .25 gun will make little to no discernable difference in sound dampening quality. It's always nice to have that .05 extra clearance to even further avoid clipping if trying new & untested ammo in a gun.
Click to expand...
Agreed , I have all .25 caliber for my .22 guns, as suggested by UA Guns long ago. I have .25 & .30 Buck Rail moderators & no noise difference that I could tell.
 
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here's my experience with a modular moderator on the issue:

Airgun Technologies - Vulcan 3 HP .30 with added Huma MOD40-4/0 = severe clipping!

I recently got a Vulcan 3 HP .30 and had severe problems with slug clipping when i attached a brand new Huma MOD40-4/0. Since the moderator is modular, i was able to try different configurations, from several meters in POI shift all baffles to a less than 10cm shift of POI on 50m with two...
www.airgunnation.com www.airgunnation.com
 
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grouch-o said:
here's my experience with a modular moderator on the issue:

Airgun Technologies - Vulcan 3 HP .30 with added Huma MOD40-4/0 = severe clipping!

I recently got a Vulcan 3 HP .30 and had severe problems with slug clipping when i attached a brand new Huma MOD40-4/0. Since the moderator is modular, i was able to try different configurations, from several meters in POI shift all baffles to a less than 10cm shift of POI on 50m with two...
www.airgunnation.com www.airgunnation.com
Click to expand...
Good to know as I bought a Vulcan 3 30cal awaiting its arrival.
 
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I own the YOKOZUNA for the .308 Texan and am very satisfied with it. When operating within factory specifications, it is exceptionally quiet. However, when going outside from those specifications, it produces a slightly muffled bark. I appreciate that it serves as an additional tool for tuning my PCP. opted for the spring-loaded version.
 
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88turbocoupe said:
No not at all maybe for some.
There is no perfect gun they all need fatness somewhere.
Have you found yourself a good barrel yet?
Click to expand...
Lots of good barrels.

I don’t have a bad barrel on any of my guns. Besides the slightly disturbing noise next to your ear, I’ll be curious to hear what you think of your new gun. I’ve had Vulcans in my cart at least once a year for the past 6 or 7. Just never committed.
 
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got the Donny Ryu today with 2 extra baffles as they suggested also in 30 cal.
i decided to also change my liner to the stx slug 1/16 last night.
not sure about anyone else but i have found the .22 fx CF Liner stiffeners fit the 25 real tight vs the .25 which slides on.
also add an o ring to each end for vibration just the way my mind thinks right or wrong seems to work, got it indexed put 150 rounds through it.
shot with both the stock fx and the RYU
stock mod just works well for being an empty can cannot deny it.
the RYU i shot 4 groups of 4 starting from 1 baffle to 6, then, 5 baffles down to 4 and 4 worked best. tight groups just like the stock moderator.
i will say the sound is different with 4 baffles i hear the action of the gun more so and a lower tone more so a thump vs a whoosh.
i like it with 4 baffles 3 baffles seem to have more of a pop than a thud i guess you could say
also groups better with 4 than 3 or 5 or 6 for this gun 600mm shooting 32-34g H&ns and 32 aea.
group on the right stock mod one on the left if the Ryū all at 50 yds if no rain going to the range Tomorrow, for 100-150yds.
all in all, I'm happy with the results just as good as groups and a lower tone.
i will say the stock moderator is hard to beat and that's why i bought a spare as well.....

20241227_15034650yds.jpg


20241204_162253m425cal50yds.jpg


20241227_155647m4.jpg
 
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