Tuning Your M3 Tunes Here

[kaylaindy]

Hey guys. I have an M3 .22 tuned for 25.39gr JSB's. It looks like this: 

Reg 1: 160 bar / Reg 2 130 / Quik Tune: 3.75 / Dial: 15

for 25.39gr JSB (stock 700mm barrel/liner)

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given: I got some guy who sold me 6 tins of his rejected 25.39's, so they look like they have been through a meat grinder (every single one)...so I am shooting those pellets after trying to "restore" them with my Pellet Sizer 

but I got quarter size groups at 75 yards with that tune and those pellets. That can't be right.

Thanks! -Nate @ Airgun Channel 

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Please share your tunes here. and please specify the ammo it's tuned for. (and the barrel/liner used)

I'm looking for sub MOA groups at 100 yards.

 

[ram2jeep]

So what's your second reg set at? I don't think I saw it in your post. Also, what is the fps for your tune?; that would be extremely helpful.

 

[Vrodfast]

Thanks for getting this started. Here’s mine. 
.22 700mm standard liner pellet port. 
1st reg 170 bar 

2nd reg 95 bar

macro 8 micro 2.5 valve @ line 4

shooting JSB jumbo exact 18.13 920 fps 

Shooting 1 in groups out to 100 yards

 

[ram2jeep]

Here is another:

.35 800mm barrel

1st reg: 175

2nd reg: 150

macro is on 16 micro is at 4 and valve adjuster is just over 4 lines

shooting FX 81gr pellets at 910fps and going to the range tomorrow for groupings.

 

[Vrodfast]

That’s some serious knock down @ 149fpe. Nice!

 

[ram2jeep]

I know it can go higher and I can get more out of it but for right now this is great and I can definitely pass 155ft/lbs. I have the NSA slugs to try as well as some from Griffin but I'm wondering if FX is going to offer a Superior Heavy like they have for all the other calibers. 
Tomorrow is range day so I can test out the FX pellets and the slugs as well. I may adjust the time up just a bit to make sure the slugs are flying at a good speed. 
Also I have the pin probe from NSA to install for the .35 and that may push the slugs to the 900 plus range. I can't wait to swap out the .35 for the .22 and leave the settings to see what I can do. 
I have a MK2 with the PP and slug power kit installed and want to see how much of a difference there is between the two. I'm not worried about shot count but more about a flatter shot...

 

[ram2jeep]

Ok, I got bored and made a quick adjustment on the .35

1st reg 190

2nd reg 165

macro on 16 micro on 4.5 and just over 4 lines on valve adjuster is giving me this:

 

[Vrodfast]

Keep up the good work. I’m on the fence on getting the 30 or 35 barrel next. I don’t see many people using the 35. Here in Idaho it’s legal to hunt dear with 35 cal.

 

[kaylaindy]

So what's your second reg set at? I don't think I saw it in your post. Also, what is the fps for your tune?; that would be extremely helpful.

Looks like my first reg was actually 160, second reg reads 130. I think my pellets are going 950fps. 

 

[Ninjababy]

Very nice post. Lots of good info will be here soon. 

 

[puhlbo]

Super cool thread, got my M3 yesterday (.22 600mm) and will share my tunes here as soon as i‘m happy with the results. 

 

 

[puhlbo]

Joining this party with my first setup.

M3 .22 600mm Superior Liner, stock standard, "P" Transfer port.

1st Reg 160

2nd Reg 130

Power Wheel 12

Adjuster 3,8

Valve on Line 4



NSA Slugs 20.2gr .218 @ 1030 fps


The goal of this tune is to shoot the NSA, FX Hybrids, JSB Pellets and H&N Baracudas with only turning the PowerWheel, leaving everything else where it is.
Will update this post as i try more projectiles with that tune.



update:
Same tune shooting the JSB Exact Jumbo Heavy 18.13gr @900fps with power wheel on Nr. 4 and the H&N Baracuda 21.1gr @ 900fps on Power Wheel Nr. 8.



Will try the FX Hybrids today in the evening. Whats their preferred velocity? 950-1000 ?

 

[Vrodfast]

I have some FX hybrid slugs I’m going to try next I think I’m going to aim for 950 FPS and play with the power wheel to see where I obtain the best accuracy out to 100 yards. 

 

[Ninjababy]

Looking forward from the owners of 30 cal in 7mm for Hybrid 44.5 slugs. 


Thanks 

 

[kaylaindy]

Looking forward from the owners of 30 cal in 7mm for Hybrid 44.5 slugs.

I'm getting a .30 cal barrel kit and slug liner this month. I'll try and get the tune for those slugs. 

 

[tdtran72]

Thanks. Keep up the good info!

 

[Applejackk]

Anyone have tune suggestions for a 600mm .25?! 
Mine is set at 175 first reg, 130 2nd reg, macro on 16 and micro at 4, valve adjuster just over the 4th line. But unfortunately I’m still getting ES anywhere from 12-15fps. I’ve tried doing a bunch of different things but can’t get the ES down. Shooting 29.5g NSA slugs at around 950fps.

 

[pfatter]

Nice, looking for a Tune for Mk3 .25 700mm

shooting knockouts and also JSB Match Diabolo Exact King MKII Heavy .25 Cal, 33.95 Grains, Domed,

 

[Psychonaut]

Anyone have any luck with their M3 in .35 shooting the NSA 93gr. slugs? 

 

[Ninjababy]

And also any luck with 44.5 Hybrid in 30 cal for m3? Thanks