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Zbroia Kozak 177 arrived today

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January 8, 2018 at 5:20 pm Link

BigTinBoat
Participant

Member
United States
Accuracy: +121

“JCD”Rob, I’ll let you know. Don’t think you’re much of a .177 guy but you can certainly explore the one I have on the way.

 I been looking for a .177 Carbine/Bullpup. Remember I tried to get your Mutant .177. Been thinking of tricking out a 1720T, but this with mag and anti double load would be sweet. Want something in the high teen’s (or low 20’s) for FPE though.

January 8, 2018 at 5:35 pm Link

shutik
Participant

Member
United States
Accuracy: +10

“Osprey1”Looks like a well made airgun,what kind of velocity are you getting for out of box performance?

 Out of the box I’m getting 850 FPS with 10.3 grain pellet. 920 FPS with 8.4 grain pellet.
This is with the spring all the way out. It is possible to increase spring pre-load, just have not played with it yet.
I can’t wait for warmer weather so I can shoot outside.

January 8, 2018 at 5:40 pm Link

BigTinBoat
Participant

Member
United States
Accuracy: +121

“shutik”

“Osprey1”Looks like a well made airgun,what kind of velocity are you getting for out of box performance?

 Out of the box I’m getting 850 FPS with 10.3 grain pellet. 920 FPS with 8.4 grain pellet.
This is with the spring all the way out. It is possible to increase spring pre-load, just have not played with it yet.
I can’t wait for warmer weather so I can shoot outside.

 So 16.5fpe with minimum pre-load sounds real good. Plus I would imagine it shouldn’t be too hard to bump up the reg just a bit to reach 20fpe

"shutik"
"Osprey1"Looks like a well made airgun,what kind of velocity are you getting for out of box performance?
 Out of the box I'm getting 850 FPS with 10.3 grain pellet. 920 FPS with 8.4 grain pellet. This is with the spring all the way out. It is possible to increase spring pre-load, just have not played with it yet. I can't wait for warmer weather so I can shoot outside.
 So 16.5fpe with minimum pre-load sounds real good. Plus I would imagine it shouldn't be too hard to bump up the reg just a bit to reach 20fpe

January 8, 2018 at 5:58 pm Link

BigTinBoat
Participant

Member
United States
Accuracy: +121

Looks like 16.5fpe is right in line with when the specs are saying. Specs are also saying a minimum of 100 shots at that level on a full fill

Manufacturer countryUkraine
Caliber4,5 ; 5,5 mm (.177 & .22)
Barrel length330; 450 mm
Energy of shuting22,5 J ; 30 J ; 44 J
Velocity of bullet due to weight280 ± 40 m/s
Dimensions W x L x H710 ; 805/50/186 mm
Weight3,0 ; 3,1 kG
Magazine capacity12 ; 10 bullets
Barrel (characteristics)Steel, 12 grooves
Value of reservoir180 sm3 ; 220 sm3
Work pressure30 MPa (300 kgs/sm3)
Diameter of filling port6 mm
StockWood, type Bull-Pap
Regulation of stock Cheekpiece 0 – 15 mm
Trigger pull (regulated)1,1+11(0,1+1,1)H
Way of trigger, regulated1-4,0 ± 0,3 mm
Quantities of shots with full reservoir, no less100 ; 60
C-T-C on distance of 30 m, no less 20 mm

Looks like 16.5fpe is right in line with when the specs are saying. Specs are also saying a minimum of 100 shots at that level on a full fill Manufacturer countryUkraine Caliber4,5 ; 5,5 mm (.177 & .22) Barrel length330; 450 mm Energy of shuting22,5 J ; 30 J ; 44 J Velocity of bullet due to weight280 ± 40 m/s Dimensions W x L x H710 ; 805/50/186 mm Weight3,0 ; 3,1 kG Magazine capacity12 ; 10 bullets Barrel (characteristics)Steel, 12 grooves Value of reservoir180 sm3 ; 220 sm3 Work pressure30 MPa (300 kgs/sm3) Diameter of filling port6 mm StockWood, type Bull-Pap Regulation of stock Cheekpiece 0 - 15 mm Trigger pull (regulated)1,1+11(0,1+1,1)H Way of trigger, regulated1-4,0 ± 0,3 mm Quantities of shots with full reservoir, no less100 ; 60 C-T-C on distance of 30 m, no less 20 mm

January 8, 2018 at 6:35 pm Link

RAMJET66
Participant

Member
United States
Accuracy: +4

douger ) pretty good little gun whos selling them ;………..Douger, it caught your eye eh? that is the one I mentioned today, I wonder how long till you get one ?    I kinda like one myself in the gray stain 22 cal. roger

 

January 8, 2018 at 11:03 pm Link

Osprey1
Participant

Member
United States
Accuracy: +2

80 shots,180 cc reservoir,850 fps jsb 10.3 pellets,with the short barrel that is pretty darn good for .177 caliber!!

January 9, 2018 at 5:39 am Link

airgunmonkey
Participant

Member
Accuracy: +4

I am keeping my eye on this thread, as I stated, I have the .22 cal in grey, the supplier down here in SA only brought in .22 cal but I am really thinking in asking for a .177 cal due to it’s size and I can use for shorter distances. The .22 cal I absolutely love it!!! It’s accuracy is amazing. At a moment I am working on a new shroud/silencer design for it as for my liking it’s a bit too loud, specially for backyard shooting but so far, very impressed with these guns.

I am keeping my eye on this thread, as I stated, I have the .22 cal in grey, the supplier down here in SA only brought in .22 cal but I am really thinking in asking for a .177 cal due to it's size and I can use for shorter distances. The .22 cal I absolutely love it!!! It's accuracy is amazing. At a moment I am working on a new shroud/silencer design for it as for my liking it's a bit too loud, specially for backyard shooting but so far, very impressed with these guns.

January 9, 2018 at 8:32 am Link

JCD
Participant

Member
United States
Accuracy: +21

No more .177 available right now so I canceled my order. I have too many .22’s. I’ll check back from time to time as I’d still like one in .177.

January 9, 2018 at 8:45 am Link

BigTinBoat
Participant

Member
United States
Accuracy: +121

“JCD”No more .177 available right now so I canceled my order. I have too many .22’s. I’ll check back from time to time as I’d still like one in .177.

 Well that’s a bummer.

January 9, 2018 at 4:05 pm Link

shutik
Participant

Member
United States
Accuracy: +10

Had a chance to shoot it outside for first time today.
JSP 10.3 @ 850 FPS 12 shot group about 3/4 of an inch CTC at 40 yards
Conditions: wind 6 mph with gusts up to 10, humidity 45%, barometer 30.08 inHg

January 9, 2018 at 4:19 pm Link

BigTinBoat
Participant

Member
United States
Accuracy: +121

Looks like at least 7 or 8 were in a .25″ctc group. Definitely minute of squirrel (or rabbit, pigeon, rat, etc). I’m certain you can even tighten that group up the more you shoot, and in better conditions.

January 9, 2018 at 7:14 pm Link

Osprey1
Participant

Member
United States
Accuracy: +2

Once the regulator breaks in and some pellet sorting will tighten the groups up even more,great shooting!!

January 10, 2018 at 12:51 am Link

airgunmonkey
Participant

Member
Accuracy: +4

Nice group, as said above, once the barrel is leaded in and the reg sets, it will be better, now I really want the .177 cal as well. How do you like the balance, cocking and mag cycle of it?

January 10, 2018 at 9:55 am Link

shutik
Participant

Member
United States
Accuracy: +10

I like the balance, it shoulders nicely, but I am tall guy 6’2″ with long hands and I think the stock is a bit short for me.

I’ve ordered adjustable butt plate that I plan to attach to it. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F192421726040

Cocking is very smooth, I also like how you can observe pellets in the mag from both sides for any deformations.

I have hard time determining when magazine is empty. There is slight resistance as pellet is pushed into the breech and I have to feel for it when reloading.

I like the balance, it shoulders nicely, but I am tall guy 6'2" with long hands and I think the stock is a bit short for me. I've ordered adjustable butt plate that I plan to attach to it. https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F192421726040 Cocking is very smooth, I also like how you can observe pellets in the mag from both sides for any deformations. I have hard time determining when magazine is empty. There is slight resistance as pellet is pushed into the breech and I have to feel for it when reloading.

January 10, 2018 at 10:49 am Link

airgunmonkey
Participant

Member
Accuracy: +4

Awesome man, for what you are saying, not much difference from the .22 cal (in terms of smoothnes of all actions). Yes I agree with you about the mag, the probing of the pellets are very light, so you have to feel when the mag is empty, also been able to see the pellets from both sides, gives you an opportunity to reload without taking the mag out as you shoot.
Please keep informing as you progress with it, very intersting.
Thanks for posting.

Awesome man, for what you are saying, not much difference from the .22 cal (in terms of smoothnes of all actions). Yes I agree with you about the mag, the probing of the pellets are very light, so you have to feel when the mag is empty, also been able to see the pellets from both sides, gives you an opportunity to reload without taking the mag out as you shoot. Please keep informing as you progress with it, very intersting. Thanks for posting.

January 10, 2018 at 11:50 am Link

shutik
Participant

Member
United States
Accuracy: +10

I just wanted to add that I am member of CT airgun club https://ctairgunners.weebly.com

And I am offering this rifle as loaner to anyone who wants to attend any of our matches. Just contact me before the match and I’ll bring it in.

January 10, 2018 at 1:26 pm Link

RAMJET66
Participant

Member
United States
Accuracy: +4

how many FPS & what grain pellet does the 22 Cal shoot at ?

January 10, 2018 at 1:51 pm Link

airgunmonkey
Participant

Member
Accuracy: +4

My .22 cal is shooting JSB’s 18.13gr @ 910fps and with the 15′.89gr 960fps pellets on pellets @ 35/40m, it is just a bit too loud for my liking as I also like to shoot at my backyard but I am working on it, so far, it’s a very nice rifle for the price, in par with most of the high end guns out there.

January 10, 2018 at 1:55 pm Link

RAMJET66
Participant

Member
United States
Accuracy: +4

“airgunmonkey”My .22 cal is shooting JSB’s 18.13gr @ 910fps and with the 15′.89gr 960fps pellets on pellets @ 35/40m, it is just a bit too loud for my liking as I also like to shoot at my backyard but I am working on it, so far, it’s a very nice rifle for the price, in par with most of the high end guns out there…….thank you, how many shots per fill ? this just might be my next A/G

 

January 10, 2018 at 2:19 pm Link

BigTinBoat
Participant

Member
United States
Accuracy: +121

“airgunmonkey”My .22 cal is shooting JSB’s 18.13gr @ 910fps and with the 15′.89gr 960fps pellets on pellets @ 35/40m, it is just a bit too loud for my liking as I also like to shoot at my backyard but I am working on it, so far, it’s a very nice rifle for the price, in par with most of the high end guns out there.

 Sounds like you have the long version. Specs say 40j for that (which you are dead on) The short in .22 is 30J (which would be 22fpe)

"airgunmonkey"My .22 cal is shooting JSB's 18.13gr @ 910fps and with the 15'.89gr 960fps pellets on pellets @ 35/40m, it is just a bit too loud for my liking as I also like to shoot at my backyard but I am working on it, so far, it's a very nice rifle for the price, in par with most of the high end guns out there.
 Sounds like you have the long version. Specs say 40j for that (which you are dead on) The short in .22 is 30J (which would be 22fpe)
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