Zbroia Kozak 177 arrived today

"BigTinBoat"

"RAMJET66"I removed the stock yesterday, to straighten the cocking lever, which is only a very temporary fix , it is very thin , I hope the new ones when they get here, are improved .. anyway I decided to turn the H/S tension down, as it is shootin close to 900 w Jsb 18 .34's so I marked it with a sharpie, & backed it out 2 full turns, & the stock would not go back on with the mounting holes, ( with the H/s tensioner backed out , it was hitting the the wood )so I got a dremel & started removing the wood for the back screw hole to line up, but there is not a lot that can be removed, as it is close to the brass thread , so I ended up turning the H/S back in a 1/2 turn to even get the stock back on , so it l;ooks like I am stuck with the H/S setting that still uses way too much air, but I still like the gun , will like it even better if & when I receive the New cocking lever..

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you should be able to just take a coil off the spring and turn the adjuster back in a bit.....duh I never thought of that, thanks BigTin , but I think I would rather find another spring to try instead of experimenting on the stock one..

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"jarmstrong"the vent hole modification is working-put another 500 rounds through it and mag advance system is still working
this is the longest my rifle has worked since I received it. Happy,Happy,Happy
mine is the 22 cal 40 joule compact reg is set to 115 bar and I shorten the hammer spring about 1/4"
shoots 16grain AA 765 fps 60 shots per fill. Could go faster but I wanted it tuned down . great accuracy
.............Jarmstrong, sounds like you are where you want to be, I would like to get mine to shoot around 800 -820, = use less air, mine is accurate, just uses too much air, & bends the cocking arm...

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"shutik"Roger,
Did you test what speed it shoots after you backed out the spring?.....No Shutik, sorry ,but my combro quit working, I am going to get some new batts to see if that is the problem, I t seems like it is still hot , don't think it helped much, I would be ok with 40 shots , I am only getting 30 now..

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"jarmstrong"I can turn the reg up a little and easily get 800-820 fps
I strongly suggest that you get the vent hole drilled to prevent bending the cocking arm(the magazine advance lever)....... ok,Thanks, Jarmstrong, I will try to do that the coming weekend ( busy w/other projects right now) , I just switched back to a couple of jacked up P-rods to tide me over for now, would defintly like to know what size & where to get a lighter spring to try..

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"shutik"

"jarmstrong"I used the [email protected] e-mail and I attached a photo of the broken part
​Andrey is the man who handled all my requests
​takes close to 2 weeks for parts to get to me
you might request another hammer spring that you could modify

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I've used the same email to communicate with Andy. Just be aware of 7 hours time difference between EST time......... hi Shutik, did you ever get a a moderator installed on your Zbroia ?

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"shutik"Roger, 
I did not get it working. I've realuzed it is quite enough for me.
I would try to order replacement baffles from disyributor with threads for external moderator if I needed to make it more quiet.............thanks , Shutik

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"shutik"I just found out that Joe Brancato will be official importer and dealer for Zbroia company. 
He will have parts as well.
I was trying to get 450 mm barrel ordered for my Kozak, as well as updated buffles with thread for external moderator. Joe took time to understand exactly what I need and gave me price right away.
He is discusding Zbroia on Facebook (PCP airguns and accessories) group..........Shutik, are you getting the 450mm barrel ? if so, can I ask how much ? also were you getting the larger air reservoir ? thanks , roger

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