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Sig Sauer ASP20

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mercs View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 28 Dec 2022 at 9:14am
Hi all, my .177 Sig is now set up like Ralphs with Zero Tech Vengeance 3-12x40SF scope found under the Christmas tree. I will review scope separately.

Strong variable breeze from right to left so shortened up range from 38 to 33 yards to try and get some shelter.

Last pellets of the day were H&N Power (copper plated) which surprisingly seemed to group better in the wind. I will do more trials with these.

cheers





Started with known pellet JSB Exact 8.44 grains 4.51mm for a 20 yard accuracy check no wind, rifle and scope working well.



H&N Baracuda Match 10.65 33 yards sighting in, wind gusts from right.
No surprise heavier pellet went low and left. Adjusted 5-10 clicks at a time moving around the bull then 2-3 clicks each way trying to get a feel for it. Reasonable turrets and look forward to some repeatable and usable distance numbers.


H&N Barracuda Power 10.65grains (copper coated) no adjustments made, 33 yards POA was bull, steady breeze from right.





Edited by mercs - 28 Dec 2022 at 3:21pm
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Myson View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Myson Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 2022 at 1:18am
Nice Mercs!

I'm in the middle of testing my SIG .177 too and I'm happy to say I've just found the best pellet (I think - more tests to go though) for my barrel.

It was the AA Heavies but now I've found better! It's now the H&N Baracuda Match .177 (10.65gr) with 4.50 headsize.

The 4.51's and 4.52's were no good but the 4.50's produced lovely groups at 50yds. I'll post target pictures when I confirm this - I'm just waiting for another tin of H&N's to arrive so I can test again on a less windy day....

I'm a happy chappie.... this topic inspired me to re-test my SIG and I'm glad I did! I think my 50yds groups will now end up about 30-35mm. We'll see....

Fingers crossed! Smile



https://www.youtube.com/watch?v=eq7jVyBfFqE
Air Arms S510 US .22
Air Arms S410 .22
Weihrauch HW97KT .177
Weihrauch HW95 .177
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mercs View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 2022 at 2:46pm
Checked tin and using same size and I can load these without mechanical assistance.


30 metre range this morning, 10 shots under pleasant conditions. Zero Tech on 12 power, rifle on bipod.



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Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 2022 at 2:54pm
How big is the blue circle?
You got to be happy with that, that's a nice center hole.
Whats the bi pod? I've got a gamo one but are a bit wary, it never helped the gamo. That target tells a differnt story about them. 👍
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mercs View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 29 Dec 2022 at 4:22pm
Blue ring is 40mm so same as aperture in standard field dropdown targets. I will have to sharpen up for 50 metre range at the club.

Bipods - No regrets but I would not fit them to another break barrel, prefer to spend money on quality rest or bags. In this case I am shooting against PCP owners and ready to try anything.
Less to carry so they can improve setup time for almost anything else being shot from a bench or other flat surface.




I use Gamo bipods, I feel they are a touch wide but stable enough.
Fitting the rails was tricky as no room for nuts on inside so only threaded into the stock and screw length had to be exact.
Obviously they make cocking a little more difficult but I have that sussed.



Stoeger pictured below, these looked interesting but I could not source, Airgun Detective site has incorporated some good ideas into his own shop version which he had installed during ASP20 video review.



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Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2022 at 3:46am
I found on the gamo the bipod was actually really good for standing shots. It gave a much better grip when legs were folded back. Never any good of my table.(but that was pre barrel change) Think gun was to light and piston hit to hard.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2022 at 4:58am
Is it just me, or do you others find that the sig is prone to surface rusting. I'm finding that if I don't oil the barrel nearly every time I use
it the surface rust appears. Also had some show up under barrel seal.
I'm hoping that eventually it will stop with oiling.
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mercs View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2022 at 7:30am
Corrosion is very disappointing, barrel has a "nitron" coating and if done properly should be very durable.

I will keep an eye out for any deterioration and clean then oil more regularly.
Must admit mine have never been out in the rain and after spotlighting I wipe down with Ballistol to get rid of any dust or moisture.

ex airgun depot website "The metal surfaces of the gun are ferritic nitrocarburized, which isn't a coating that can wear off; instead, it is a sort of case-hardening process which toughens the metal and makes it resistant to scuffs and oxidation".
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2022 at 8:18am
It seems that it should stop corrosion. both times its happened it basically wiped off. But I've caught it rather fast.
Have just read up on it ( cheers for pointing me in direction mercs)
Now wondering what metal they use for the barrel!
I am guilty of getting back from night shoots and have to skin stuff, so just put the gun away. Better start wiping it down first.
The crossman barrels/recievers were the same but a few oils seemed to stop it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2022 at 3:39pm
50 metre Sig on Sig this evening.
The .22 by far the best group but .177 scored 1 point higher.
I had previously set up the .177 then grabbed the .22 from the gun safe before packing up for the day, go figure.

Gamo card target has 13mm bull and 130mm outer ring.
Analysis using Target Scan App
Calculation set for .177

50 metre with .177 Sig ASP20
Sig Air Dagger pellets 0.67 gramme
Scope Zero Tech 3-12x40SF set to max 12
Rested on bipod
Max spread 31.4mm
Mean radius 16mm
 
50 metre with .22 Sig ASP20
RWS Superfield pellets 1.03 gramme
Scope Tasco 4-9x40AO set to max 9
Rested on bag
Max spread 14.4mm
Mean radius 6.6mm



Edited by mercs - 30 Dec 2022 at 3:41pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2022 at 4:23pm
Well the 177 definitely is just a hunting group though quite a wide spread. ( Though way better than a couple of 60m groups I shot today)
The 22 is great grouping bit of hold over to the right and that group would have smashed a 1nch kill zone.
I wasn't happy with the sig pellets in my particular gun.
Have a tin and half of 177 if you want them.
Though the 1/2 tin was ransacked for 5.50mm.
Were you getting tighter groups with the barracuda?
All said and done for 50m I think it's good grouping. Apart from the tx, don't think any of the other guns I have/had would pull groups like that at 50m.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pauly5 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2022 at 2:47am
Those are good groups for a springer at that range.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mercs Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2022 at 4:09am
The Sig .177 performs well on the indoor 25 yard range and has earned a couple of wins.

Baracuda Match is a very firm fit but I agree with Myson they definitely provide an improved group and it has to be the 4.50 which I only had a few on hand, I will get a new tin and compare against some of the lighter pellets. Expect I need to choose a pellet, clean the barrel and start again.

This rifle seems to have a tight breech but still under warranty so I have not eased it out, many pellets need mechanical assistance to load. 

cheers

These pellets will load by finger pressure
H& N Sniper medium .55g 4.50mm
JSB Match Hades .67g
Baracuda match .69g 4.50mm
Sig Air venom .51g
Webley VMX 0.53g
JSB Exact 0.547g
RWS Super Field 0.54g


Edited by mercs - 31 Dec 2022 at 4:12am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote kruzaroad Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2022 at 4:23am
https://hardairmagazine.com/reviews/hn-baracuda-match-10-65-grain-177-caliber-pellet-test-review/

For anyone interested
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pauly5 Quote  Post ReplyReply Direct Link To This Post Posted: 31 Dec 2022 at 4:31am
I used to use H&N FTT in my 97k, but there was a definite change in the lead, and they became quite difficult to load, needing a real hard push to seat. I ended up changing to JSB/AA (177).

I later read an article about how the H&N are made from harder lead, so if you are swapping back and forth from them, you need to clean the barrel, as the harder lead can cause softer leaded pellets to loose accuracy, and they proved this was the case with a TX. Other guns may be different, but it's worth knowing.
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