Kodiak Defence K9 PCC Review / info thread

Just wondering if anyone else has had any experience with these? I've heard of a couple redditors that have had issues (possibly ammo related) but I haven't heard anything bad on this site. Other than the FX 9 which is unobtainable at any other retailers right now, this would be the only other PCC with AR ergonomics that is available. Seriously wondering if I should bite the bullet and go for it.
 
Just wondering if anyone else has had any experience with these? I've heard of a couple redditors that have had issues (possibly ammo related) but I haven't heard anything bad on this site. Other than the FX 9 which is unobtainable at any other retailers right now, this would be the only other PCC with AR ergonomics that is available. Seriously wondering if I should bite the bullet and go for it.

https://www.youtube.com/watch?v=rMB577cVOEs
 
If the mags don't drop freely, the gun will
go nowhere on the competition playground. When I first saw the picture of one of these I thought Kodiac had just cloned the FX9. Obviously upon closer examination they hadn't. At the same price point this gun will have to be better than the FX9 before I drop the cash on one.

To the OP I would be interested in knowing the weight of the buffer.

Take Care
Bob
 
If the mags don't drop freely, the gun will go nowhere on the competition playground. When I first saw the picture of one of these I thought Kodiac had just cloned the FX9. Obviously upon closer examination they hadn't. At the same price point this gun will have to be better than the FX9 before I drop the cash on one.

+1.
 
I have round about 500 rounds since getting my rifle back.
It's running like a champ and not showing any signs of wear.
It is so nice to have ar15 ergonomics again.
On my last range trip the guy in the bay next to was very impressed with the trigger even though it's mil spec as far as I can tell.

It's a very viable option for a PCC.
I say this after owner ar9, scorpion Evo, ruger pcc and a wk180 in 9mm. If I can't have my ar9 I'll take this any day of the week.
 
Just purchased this gun recently and took it to the range today. I fired 150 rounds; I fired S&B 124g, Sig Sauer performance elite 115g and 124g - it seemed to like the Sig Sauer 124g the best.

However, my experience wasn't very good - I was having multiple FTF issues - sometimes on the first round, but sometimes on second or third. I was using the G17 PMAGS and that's it.
Anyone with experience have an idea of what this could be? I seem to think it could be a magazine issue (hopefully) and not the gun itself.
 
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Just purchased this gun recently and took it to the range today. I fired 150 rounds; I fired S&B 124g, Sig Sauer performance elite 115g and 124g - it seemed to like the Sig Sauer 124g the best.

However, my experience wasn't very good - I was having multiple FTE issues - sometimes on the first round, but sometimes on second or third. I was using the G17 PMAGS and that's it.
Anyone with experience have an idea of what this could be? I seem to think it could be a magazine issue (hopefully) and not the gun itself.

Until you get some different mags to try so as to confirm whether it is a mag issue, perhaps next time you are at your club you can load the G17 mags with less rounds and observe the behaviour...So instead of 10, load it with 7 or 8 and see if on round, 1, 2 or 3 it still FTEs. Unfortunately I don't have a K9 to test myself, but would suggest you try some different mags (and I mean other brands with native 10 rounds and other brands with pinned 10 rounds). Also while the grain of the bullet generally is not an absolute determinative factor in these things, perhaps try the heavier 147gr as well, again just to rule out possibilities.
 
Thank you. I apologize, I just made a correction to my prior post (long day). It was a failure to feed, no eject. Not sure if that makes a difference (I am new to this hobby so I'm still learning).
My mags were generally only filled halfway as the spring tension from the brand new PMAGS I bought were so damn tight.
 
Thank you. I apologize, I just made a correction to my prior post (long day). It was a failure to feed, no eject. Not sure if that makes a difference (I am new to this hobby so I'm still learning).
My mags were generally only filled halfway as the spring tension from the brand new PMAGS I bought were so damn tight.

Get an Upula loader to help with the tightness. I have been there and after getting the Uplula, I have never gone back.

Failure to feed - you mean double feed? Not going into battery? Or something else? Unfortunately I am not familiar with the K9...so if it was the first round that didn't feed, that could be a number of things, but the second and third one is interesting - and not on a full mag either...

Hmm..let me ask you this... and this is important. What kind of projectile is it? You mentioned 115 and 124 gr. Were they FMJ? Or were they HPs or anything other than an FMJ. If it is HPs, some guns do not feed HPs well. they were hollow points (which are $$$ to use for plinking), try FMJs (full metal jacket) rounds.

Also because I have no idea what condition the factory sends the K9...was it overlubed or underlubed when you got it? When I got my FX9, it was severely underlubed. If you are not sure, try cleaning it out. And give it a good inspection too just in case there may be something wrong with the rifle and there is an imperfection or rough surface somewhere.

Another thing to try...get some snap caps in 9mm (you can buy them in any gun store - they are plastic dummy rounds for practice). Make sure you use the snap caps and not live ammo - manually run the snap caps in a magazine using the charging handle to manually feed and eject - does the behaviour continue to happen?
 
Get an Upula loader to help with the tightness. I have been there and after getting the Uplula, I have never gone back.

Failure to feed - you mean double feed? Not going into battery? Or something else? Unfortunately I am not familiar with the K9...so if it was the first round that didn't feed, that could be a number of things, but the second and third one is interesting - and not on a full mag either...

Hmm..let me ask you this... and this is important. What kind of projectile is it? You mentioned 115 and 124 gr. Were they FMJ? Or were they HPs or anything other than an FMJ. If it is HPs, some guns do not feed HPs well. they were hollow points (which are $$$ to use for plinking), try FMJs (full metal jacket) rounds.

Also because I have no idea what condition the factory sends the K9...was it overlubed or underlubed when you got it? When I got my FX9, it was severely underlubed. If you are not sure, try cleaning it out. And give it a good inspection too just in case there may be something wrong with the rifle and there is an imperfection or rough surface somewhere.

Another thing to try...get some snap caps in 9mm (you can buy them in any gun store - they are plastic dummy rounds for practice). Make sure you use the snap caps and not live ammo - manually run the snap caps in a magazine using the charging handle to manually feed and eject - does the behaviour continue to happen?

Thanks, I will try your suggestions.

All ammo was round nose, FMJ.

I apologize if my terminology is correct. Essentially, I would fire - here a click but no bang. When removed the mag and I pulled the bolt back to check, the round seemed to get stuck in the chamber, nose up if I recall.

There was no primer strike - the cartridges were in perfect condition. This would happen mostly on the first round (I was usually loading on 3-4 rounds per mag), but sometimes on the second or third round. Near the end of my session, It was happening pretty much exclusively on the first round only with the Sig Sauer 124g.

I was rotating through 4 different PMAGS as I was hoping to break in the springs so they were less tight.
 
If it doesn't work with the magazine(s) that it came with, it is not acceptable. Warranty should take care of you.

But if you like to tinker, post up some photos and maybe we can help. (and you might void your warranty)
 
Yep, straight blowback. I think the Kriss Vector is the only reasonably available semiauto PCC option we have that isn't.

(come on internet, I'd love to be wrong about this)
 
I had mine out for the first time yesterday. Overall handling and initial impression of the rifle were very high. Nicely finished, with no sharp edges, all magazines I had dropped free, and accuracy was consistent on a 6-inch plate at 40-50 yards just standing. ( Magazines: Magpul 17 and 21 rounders, Factory Glock, and Promag?)

However, I started having problems feeding the first round from an open bolt with the K9. It was grabbing the ammo and deforming the case just like in the above Reddit post, not allowing it to chamber. If I dropped a round into the chamber, then inserted a magazine and fired it was flawless. I then had an out-of-battery detonation that sent a ton of blowback into my face and blew the mag out of the gun.

I emailed Kodiak to enquire after seeing the Reddit post of similar problems, and they confirmed that it functions "best" with crimped ammo. I was shooting Western Metal's factory Reloads, and before that, a mixed bag of factory ammo which is what I didn't seem to have a problem with.

They suggested PMC Bronze, as they have been using that with testing and haven't had the same problems.

I like the rifle enough that I will grab some of that and see how it goes!

I will also say that when I brought it home to investigate the rifle, I found the rail screws and the screws that hold the breach to the receiver loose, however, the barrel nut that holds the barrel to the breach was tight. I suggest going over them all with Loctite before you take it out.
 
Crimped ammo? 9MM uses a taper crimp. I suspect your "out of battery" experience took place because of bullet set back as the round was forced into the chamber by the recovering bolt.. I am not aware of any factory ammo in 9MM that uses a rolled crimp. The explanation is weak in the extreme. The 9MM headspaces off the case mouth so a roll crimp is not going to work all that well. Would you please weigh your buffer and bolt together for me please.

Sounds like there is a bit of beta testing going on here. Either that or quality control is hit and mis. When we pay over a grand for a rifle it would be nice if they worked flawlessly out of the box. A "friends" Scorpian Carbine works flawlessly OTB as did his Beretta Storm and Ruger PCC, why we have to put up with the drama queens eg my FX9 and apparently some of the Kodiak K9's is really quite unacceptable but apparently inevitable.

Take Care

Bob
 
Just a quick update.

Went again to the range today and went through about 120 rounds - I only had one issue where the first round didn't feed properly; seemed to be related to a single magazine, so I put that one aside.
I tested the other 3 PMAGS I had plus a new OEM Glock 10 rounder - all functioned fine, albeit the OEM glock magazine did not hold the bolt open on the last round. All other magazines did. All ammo was either 115 or 124 FMJ (with one box of federal synthetic jacket); going to be testing some 147 grain tomorrow.

Things I did differently than last time:

- Cleaned and lubed again but this time ran the bolt much wetter than before
- Tried loading the magazines ahead of time to break in the springs; loaded everything with the Uplula instead of by hand
- Paid extra attention to how I was seating the magazine to ensure it didn't feel loose or over inserted

All in all, I am very happy that the issue seemed to resolve itself; could be a bit of a break in period required for this rifle to operate effectively, or could have just been user error on my part with not ensuring that the magazine was seated properly.
 
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