CMP 853 Wow! and huh?

[Slavia]

I have two - the Daisy Powermax wadcutters outperform everything else.

It's easy to check for complete closure and latching of the bolt carrier (see photo).

Both of my rifles have the same "shifting" that you describe, and I think it's a result of the powerplant type.  They have had it since new.  Since it's a single stroke pneumatic design, there is no check valve holding the pressure in - just the piston.  That pressure on the piston tightens up any play in the cocking arm pivots.  Remove that pressure by shooting the gun and it falls loose again.  It doesn't affect the barrel/receiver/stock structure, so I never got around to worrying about it.

[dukja]

Thanks a lot for confirming the shifting movement.  I saw one post on Internet mentioning it.  Daisy tech support claims never heard of such thing.  I am glad that your testimony proves that I am not crazy.     I really appreciate your reply!

And I agree with your explanation.  I can see a slight gap between pump tube and the valve body when it is not pumped, and it disappeared  when pumped.  I suspect that is the source of the shifting.  My residual concern was that maybe it is the reason I didn't get one-hole group.   

And I couldn't find Daisy Powermax pellet.  Do they change it to Precision Max?

[Taso1000]

Dukja,

Or anyone know another SSP as accurate as 7/853?

What is your budget?  There are a lot of used tier 1 used Olympic match rifles to choose from about $400 to $800.  Closer to the $400 range would be match springers like the FWB 300S or Walther LGR that's a ssp.  Then higher up are the FWB 600 series rifles.  I paid $650 for my FWB 601.

So yeah, not $115 like the CMP 853 but you get a tier 1 match rifle versus a sporter class rifle.

Taso

[dukja]

Taso:  Thanks a lot for mentioning those SSP to me.  I really appreciate it.  Those seem to be the right direction for me.  The price is a little bit deep for my pocket, so LGR may be more likely.  I guess that I'll need to check the classified forums more often to get lucky finding one.

[ac12]

Both Gamo Match and RWS Meisterkugeln are wadcutter.  And I appreciate the clean cut.  However, after 2~3 pellets, even wadcutter can rip the target to a stage that is hard to tell.

The one I am thinking about is Daisy Match Grade Avanti 753S
https://www.pyramydair.com/product/daisy-match-grade-avanti-753s?m=144
PA still has the woodstock version.  I tends to shoot my rifle instead of staring at it so I would rather save $150 for pellets.   

And this is my CMP 853:

DANG that is a GOOD price, compared to what the 753 used to list for.

Tape the target sheet to piece of cardboard.  The cardboard backer will act like a cutting board, allowing the wadcutter to punch a cleaner hole.

But if you shoot several shots into the same spot, there is nothing that any target paper can do to score all the shots.  The best way is the way they do it in competition, one shot per target.  Then you can really see how close each shot was to the center of the bull.  Then consistent accuracy of aiming becomes a factor.  I used a 12x scope on my 10m mini-sniper, because I needed the magnification to see the small/tiny target.  Aim small, hit small.

When I shoot, I will usually shoot a max number of shots where I can still score the target.  IOW I can identify and score each shot.  Sometimes it is 5 shots, sometimes it is 3 shots, and on a bad day it could be 10 shots.

[Taso1000]

Taso:  Thanks a lot for mentioning those SSP to me.  I really appreciate it.  Those seem to be the right direction for me.  The price is a little bit deep for my pocket, so LGR may be more likely.  I guess that I'll need to check the classified forums more often to get lucky finding one.

Dukja,

There's an LGR for sale on the American Airguns forum: 

Jim Edmondson is a very well respected seller.  I bought my 601 from someone that bought it from Jim.  I have an Anschutz 2002 Mini on the way from him too.  Tracking says I should have it  Friday.  I can't wait.

As always use Paypal to protect yourself and research old 10 meter match rifles so you can see what will match your needs and wants better.

And always don't be afraid to ask.  Many members including AC12 offered me a lot of useful insight when I was looking and didn't know what I was looking for.

Thanks,

Taso

[dukja]

ac12:  Yes, that is what I figured: one shot per target.  For now, I just want them to group well, not really counting score yet.

Taso:  Thanks for the hint on other forums.  I also see Jim E have some for sale at TargetTalk.  I'll check there as well.
Wow!  I just take a peek at the site you mentioned.  I shall not visit there often.  Too much temptation.

And thanks a lot for the kind sharing.  Sometimes, the "gate" configuration here makes it hard to post questions about air guns for the same purpose but different brands.    I really appreciate many good suggestions here, especially on the precision guns and 10m shooting.  Maybe the "Air Gun Gate" is more suitable for such topic?

[Taso1000]

If I can't figure out what gate to post in I post in the "Air Gun Gate" and mention in my post that I don't know if that's where it belongs.  The moderators will move it if necessary.

Taso

[dukja]

I have finally mod my 853's trigger with adjustable one.  It is "almost no creep" but still not as crispy as my 880. 

And after tightening down the gun assembly with washer and new screw, plus disassemble and assemble it multiple times, now I think that I have nailed down the "source" of shifting movement.

The old 853 has a two-part screw behind the trigger guard.  Mine was kind of stuck together when I get the gun, so I thought it just work like a single screw.  Later after I read more assemble instruction, I realized that the firs part with hex nut should be put on to the metal receiver first.  After that one is tightly locked in, then the 2nd part was screwed into the hex nut when I assembled the gun together.  In this way, the shifting is minimized to non-existence. 

One time during a shooting session, I found the shifting is affecting the accuracy and causing some pellet keyhole.  I quickly check all screws and found that very one was loose.  After tightening the 2nd part down, the accuracy restore.  Still I always try to support the gun on the lever during my sitting or standing freehand session to avoid any possible shifting.  That seems to address the issue.

[Taso1000]

My CMP 853 has the same 2 part rear receiver screw.  I think there is also a replacement screw that is one piece instead of two. 

My rear receiver screw hole threads were stripped when I received the rifle so I ordered a replacement receiver along with all the 888 trigger parts.

Taso

[dukja]

Yes!  the new screw set has the one-pieces screw, but the old one has two-parts.  I think that works much better than the new one.

Just did a session of free-hand and rested sitting position.  The modded trigger does improves the accuracy on both cases but more so for the free-hand standing.  It gave me much more confident to call for the shot (without holding breath until out of O2). 

It is really a joy to shoot both my 880 and 853!

[Fatman]

Hi dukja:

Speaking of cheap pellets, you might want to try Daisy Precision Max.  All of my XX53s love them.  I only shoot Olympic style 10meter
and when I was practicing regularly, my "go to" 753 would regularly return five shot, one hole, ten ring strings. 

If you are looking to up your game, the book "Way of the Rifle" is the best paper coach I know of.  It ain't cheap.  I paid $65 for mine a couple of
years ago and I can't recommend it highly enough.

Cheers,
Fatman

[dukja]

Thanks for the hint on pellet.  I am also mainly doing 10m target in my attic.  I have found some cheap RWS Basic pellet and really like them.  They are both clean and consistent.  I'll check on the Daisy pellet later.

And I have heard about the book many times.  I am such a cheapo and trying to find one from local lib.   

I hope to see you at the Match gate here for some off season 10m offhand matches.   

[Fatman]

Hi dukja:

Glad things are going well for you.  Don't hold your breath about seeing me at Match Gate.  Time has taken it's toll and I no longer compete.
I still shoot and offer up what little I have learned over the years, but neat, near pellet sized one-holers are a thing of the past.

Don't underestimate the value of "Way of the Rifle"  $65.00 is cheap compared to any new rifle upgrade.  It improves the accuracy of every
rifle you own.  In most cases, it's the shooter not the gun that is holding you back.  The real time to move up is when you can outshoot the
gun you already have. 

When you get to that point, or if you are already there,  go for it.

Don't mean to preach, just offer what time has taught me.

Cheers,
Fatman