* Choices FX M3 * Choices The Compact or 600MM

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I like shooting between 100-175 yards. I can do it accurately with my M3. But I loveeee the longer barrel. I have the .30 cal Sniper set up and man it's awesome. I would hunt with this setup and plan on it, personally not a big fan of the compacts, My .25 impact II I have the compact version but the sniper set up is my favorite.



never shot the Taipan like the other guy Im curious about it now though, not a fan of that futuristic European bull pup style. I love a good AR platform. I do like the maverick but that to me is the AR-style platform, not a real bullpup LOL. 
 
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Not an available config, but I went with the 500mm compact to get the smaller bottle then built the 600mm liner. The compact is great for projectiles under 30 grains. The 600mm barrel is great for 30-36 grains. I use the 500mm barrel to shoot hades and hybrids at 950, then switch to the 600mm heavy liner to shoot the heavier projectiles/slugs at the same speed. The small bottle carries more than enough shots. I get a full mag with either barrel setup. Reg set at 150 Bar. I do have to adjust my power wheel once I switch between barrels. Here is a picture with the small 300cc bottle and 600mm heavy liner, Donny shroud, 0DB compact suppressor, all burnt bronze Cerakote.

IMG_0197.1621991843.jpg

 
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jcote258:

*~*~*~ I assume the aforementioned comments are applicable to .25 Cal......correct? Great insight! So you have a Nice MK II ... congrat on the build. LQQK's Great/!

So with all your insight and using/Observing the MK II doing 950 w/Hades & Hybreds,,,in the 500 mm barrel on the New MK being a bit more robust via power i.e. Larger Plenum and additional valve set up, might that platform be able to push the Knock Outs @ 34 grns out to 950 fps w/500mm barrel.....Seems reasonable HOPE! Heed to keep this Short and light weight for an off hand shooting gun 75 to 100 yards hunting Jacks and Racoons.....NEED FOR SPEED for expansion of Knock Outs.

Like ACmaddness above says he and I like the " AR-style platform " I have a Caldwell tripod adj TriPod and it sits the gun grip AR handle well on the elevation adj. Very stable for sight-in.
 
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I like the full capabilities for all types of shooting, so I went with .30 cal in 700mm with 580cc bottle. I also went with 600mm in 25 cal. I would trade for 700mm in .25 cal if I could. I do a lot of field carrying with the .30 cal. It's a little heavy I suppose, but I use a single point sling off the rail which takes the weight off of my arms and puts it on my shoulders. So with that it is very doable even with 2 pounds of glass (Element Titan). I like full capabilities in my glass as well. For me the extra weight gives me more stability in any kind of shooting situation. If I can't get on target and pull the trigger in say 10 to 15 seconds I start to wobble around regardless of weight to begin with while in the field.

I will add that I am not the whiner type and can put up with a lot for the extras. If wanting a lightweight rig then I would go for a lightweight rig, but may have to give up some power and shot count. I don't like to run my guns to their limits trying to squeeze the power I want out of them. It is much better to run an airgun with less power than they are capable of. instead of over stressing them. The longer the barrel the longer the projectile stays in the barrel for more pressure to develop behind them for more output power.
 
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So that's a tough one but I would say if you are planning on walking around with it I would go with the compact since you will be able to swing it around. Even with a moderator it is still manageable in length you said you had a light scope so that helps right off the bat. Get yourself a sling and it will make it even better. You will get the 300cc tank but you can also run a skinny mod and a 480cc tank the 300cc tank is 17oz and the 480cc is 22oz 5 extra oz might be worth it for the extra shot count. I am actually thinking about lightening up my compact its heavy but alot of my shooting is off a tripod.
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triggertreat:

So very true and Well Aware: " The longer the barrel the longer the projectile stays in the barrel for more pressure to develop behind them for more output power. " this is why I am so torn........However I am going with .25 cal not the heavy .30 for the .30 you need the length of barrel much more because of simple mass.

Carry a Light weight gun walk a short distance brace on a tree or off hand shots & Not long distance...........Jack Rabbits etc.

I am in high hopes the new MK3 being more efficient & larger Plenum can dish out 950 fps 30 grain hollow-point .25 w 500mm short and light.
 
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brawler1588:

I Really like your Compact.

Is that a Hugget Mod? or which...I have a Sumo...is your Mod quieter?

Love the Small Bottle wrap......& small bottle is plenty for Hunting/Air/shots

It's gett'n down there!............. and Me ThimK's the FX M3 Compact w/rear gauge canted on rear of receiver rather than hanging down on the MK II...a canted gauge you can see when shooting and LQQK's great IMP on the M3 is edging out for my application..........Not shooting pigeons of Hood roof of car continuously
 
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brawler1588:

I Really like your Compact.

Is that a Hugget Mod? or which...I have a Sumo...is your Mod quieter?

Love the Small Bottle wrap......& small bottle is plenty for Hunting/Air/shots

It's gett'n down there!............. and Me ThimK's the FX M3 Compact w/rear gauge canted on rear of receiver rather than hanging down on the MK II...a canted gauge you can see when shooting and LQQK's great IMP on the M3 is edging out for my application..........Not shooting pigeons of Hood roof of car continuously
Click to expand...

Thanks and the wrap is a pain to get on but really like it, Ernest turned me onto it and put it on a lot of stuff it helps with grip and protection. I have the sumo and it is slightly quieter but I went skinny so I can use any of my bottle sizes, I can't speak for the m3 and its shot count but the speeds you are looking for may only get you a mag give or take if that's enough I think you have made up your mind. With all the setups I have I am probably going to get a wildcat compact in .22 for a grab and go woods walker and keep the weight down. 
 
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Like the WildCat...However Can-Not get past the goofy Safety on Z Butt..........Simply for me...Not intuitive and set right after shot...But Hey Jus Me!

I like your style w/ bottle is there a URL w/guide on how to wrap the Bott?

Also like your style on the Mod look....give up a bit of sound for aesthetics.......What model Hugget is it ans how much louder?

Only a Mag is fine when hunting sadly do Not shoot all that much...I have a Nomad 2 12V so when I am done with the Mag go back to car fill the Bott 5 min fill the Mag have a beer and off again.

Thanks
 
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jcote258:

*~*~*~ I assume the aforementioned comments are applicable to .25 Cal......correct? Great insight! So you have a Nice MK II ... congrat on the build. LQQK's Great/!

So with all your insight and using/Observing the MK II doing 950 w/Hades & Hybreds,,,in the 500 mm barrel on the New MK being a bit more robust via power i.e. Larger Plenum and additional valve set up, might that platform be able to push the Knock Outs @ 34 grns out to 950 fps w/500mm barrel.....Seems reasonable HOPE! Heed to keep this Short and light weight for an off hand shooting gun 75 to 100 yards hunting Jacks and Racoons.....NEED FOR SPEED for expansion of Knock Outs.

Like ACmaddness above says he and I like the " AR-style platform " I have a Caldwell tripod adj TriPod and it sits the gun grip AR handle well on the elevation adj. Very stable for sight-in.
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@CheckUrSix, sorry about that. I didn't provide caliber info. I saw you were talking about 25 cal, so I just started with that. Mine is a 25 cal, and I've been testing NSA/H&N/Knockouts in the heavy liner. I can get the MKII heavies up to 1000 fps with the 600mm liner without too much effort, but the knockouts only to about 970. If I try to push them any faster, the platform gets loud and violent. 

To answer your question about getting the Knockouts close to 950 on the 500mm liner, I'm not sure you really want to do that. You might get close, but there is about a 100 FPS difference between the 600mm and 500mm liner just based on length. I was pushing the MKII Heavies about 930 with the 500mm liner, and it was kind of loud, and my MKII was cranked all the way up. With the Knockouts being a slug, there will be more resistance in the liner, and you might only get like 900 FPS out of the 500mm liner, maybe a bit more with the slightly larger plenum and valve setup? My testing was at 140 bar and not where I'm at now at 150 bar. So, you might get close at 150/160 Bar. 

I haven't tried to push the knockouts through the 500mm liner yet, so not sure, but this is a projection based on my observations with other projectiles. For example, I can shoot 950 with 26 grain Hades in the 500mm barrel, and I swap over to the 600mm Liner, and I'll be shooting almost 1100 FPS without touching anything. So, if I can shoot the knockouts at, say 980 with the 600mm liner before the gun gets loud. Switch the 500mm liner, subtract ~100FPS, and we are looking at around 890-900 FPS. 

When I started tuning, I used pellets to get the speeds I wanted, and I noticed that once I put in the slug, the slugs eat up another ~20-30 FPS. It was a great way not to waste slugs and get me in the ballpark. Hopefully, this post helps you or someone out.
 
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jcote258:

Highly informative info........... and Ouch! - 100 fps via 600mm to 500mm.....Oh well! tough to fight physics!

500mm.....So as I see it, if going w/ 500mm and keeping it short...... Hades or Hybrids to keep weight down.

600mm.....28-X grains for reasonable Velocity in hunting / expansion

* Given the choices & trying to keep this platform Short.......KEY: Have you or Anyone here had Great success with the Hades or EXPENSIVE Hybrids???? & if so what might I expect in .25 with those Hades and Hybrids FPS wise on the M3 Compact?

Thanks again ever so much
 
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@checkursix 500mm length is great for walking around, but to be honest, I would walk with my 600mm but probably not so much with the 700. I've tested NSA slugs in the 500mm liner with some success up to about 50-75 yards, but only the lighter ones 26.8 and 29 dish base. The hybrids are pretty good but a bit on the pricey side. The hades are what I will typically shoot out of the 500mm liner because I can get them moving pretty quick, and I don't have to tune the rifle for really high power. Expansion on the hades is probably pretty good though I've never recovered one. I only shoot at chipmunks and squirrels, and I would say 100 percent of the time I get a pass-through on chips being they are so small, but if I hit a squirrel facing me in the chest area, the wack sounds louder than the rifle, think firecracker, and generally no pass-through that I could see. A side shot on either gets me a pass-through. 

If you go with a 600mm liner, the weight that seems to be the sweet spot, for me anyway, is 30-34 grains. The H&N 30-grain slugs will shoot past 1000 FPS without much effort and the 33.5-grain NSAs are pretty good. Both of these projectiles will probably result in a pass-through due to the lead type not being as soft. I was looking at trying out Griffin or VarmitKnocker slugs for actual hunting as they both offer 30-grain dish/flat base in a softer lead (so I've heard), and I think would be great projectiles. 


 
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jcote258

Hades are looking better in the 500 mm barrel my shooting is usually between 50 - 75 yards as well is your gun a M3 or MK II.

At what velocity are you shooting the Hades in the 500 MM?

The . 25 Cal Hades look Very good for expansion Via Wet Toilet Paper: (see below)......No wonder you HEAR Loud impact!



https://www.youtube.com/watch?v=gz_p4qQKolI

https://www.youtube.com/watch?v=-IPaf9_cy1Q







https://www.youtube.com/watch?v=HotkJBCXTXY




 
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I'm shooting the Hades around 950 on average with the 500mm liner with my MK II. I set the reg at 140 Bar. I tune it to shoot 980 in power wheel #5, then click down to #3 or #4 on the wheel and turn the valve stop in to just outside line 1 (Slug power kit spring is weak), and it brings the speed down to around 940-950 FPS. Like you, I only shoot the Hades no further than 50 yards, really only around 25-30 yards realistically. At 50 yards, a 5 shot group will fit under a dime. Any further than 50 yards, they start to spread out, but that can probably be tuned out by slowing them down a bit more, but not for my use case.
 
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ccote258:

"C" this is why we do research.........Now we are talk'n approx 950 to maybe 970 n' .25 on a compact M3 w Hades..........Not needing to reach out to goofy 200 yards/slugs sitt'n and waiting but rather walking enjoying Nature, using a Fine tool i.e. M3 in a Lite Compact configuration...Sign Me up!

Been watching U-Tube on Hedes .25 Expansion & Accuracy....Highly impressive for the stalking approx 50 to 75 yrds....Not going to get much more outta a Slug except Harder lead and Shoot through s w/O expansion as in Hedes: i.e.

https://www.youtube.com/watch?v=-IPaf9_cy1Q
 
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.25 hades are devastating at any speed, especially lower speed it’s literally a wrecking ball. It’s so good I stopped using it! LOL 



also under 80 yards it’s shoots pretty flat and bucks the wind quite well, I’ve shot them in 10mph wind and it’s really not that bad out to 100 yards thanks to being pretty heavy. Zero need for slugs under 80 yards, hades hit with authority! 
 
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