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 Post subject: AK in 300 BLK?
PostPosted: Tue Apr 05, 2011 11:52 am 
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Silent But Deadly
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I'm gonna do it. I figure a .223 Saiga should be a good starting point. What say you? I'm thinking I'll use 100 series FSGB for my AAC krink. An E.German unvented gas tube should help. Any other thoughts? Leaving for the Creek tomorrow, hope to find some of the stuff I'll need there. :twisted:

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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue Apr 05, 2011 12:33 pm 
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Smilodon wrote:
I'm gonna do it. I figure a .223 Saiga should be a good starting point. What say you? I'm thinking I'll use 100 series FSGB for my AAC krink. An E.German unvented gas tube should help. Any other thoughts? Leaving for the Creek tomorrow, hope to find some of the stuff I'll need there. :twisted:


Good luck with this project, look forward to seeing if this works, that could be a cool AK. My guess is there will be problems with the extraction/ejection phase.

Hmmmmm

-B


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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue Apr 05, 2011 6:03 pm 
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The ejection ports may still be a bit loud unless you weld them, but other than that I think it sounds cool. I would also like to try some sub-sonic rounds in 7.62x39.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue Apr 05, 2011 6:16 pm 
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no offense, I like the AK design...but Why, why, WHY? Heaver, louder, and less accurate than an AR - the BLK/whisper was designed for the AR platform.

Having said that, sounds like a great project :lol:

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 Post subject: Re: AK in 300 BLK?
PostPosted: Wed Apr 13, 2011 1:24 pm 
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jdj wrote:
no offense, I like the AK design...but Why, why, WHY? Heaver, louder, and less accurate than an AR - the BLK/whisper was designed for the AR platform.

Having said that, sounds like a great project :lol:


Because I don't like DI guns and I can. :lol: :twisted:

I'll have the Saiga next weekend, the AK105 gasblock is on the way from KVAR and picked up 12 Bulgarian 5.56 waffle mags at the Creek. Even got to see my Krink can....thanks Richard!

Now, I just need to figure out the barrel..... :)

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 Post subject: Re: AK in 300 BLK?
PostPosted: Wed Apr 13, 2011 4:47 pm 
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If you used a Yugo M95 you would have a gas adjustment that might help.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Wed Apr 13, 2011 5:43 pm 
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Smilodon wrote:
jdj wrote:
no offense, I like the AK design...but Why, why, WHY? Heaver, louder, and less accurate than an AR - the BLK/whisper was designed for the AR platform.

Having said that, sounds like a great project :lol:


Because I don't like DI guns and I can. :lol: :twisted:

I'll have the Saiga next weekend, the AK105 gasblock is on the way from KVAR and picked up 12 Bulgarian 5.56 waffle mags at the Creek. Even got to see my Krink can....thanks Richard!

Now, I just need to figure out the barrel..... :)


I am going to try and get ahold of a 223SAIGA and remove barrel and replace with a 300BLK barrel and see how it works! Will let you how it turns out!

-B


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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue Apr 19, 2011 2:31 pm 
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Do you have source for said barrel? That's all I'm missing at this point?

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 Post subject: Re: AK in 300 BLK?
PostPosted: Thu May 12, 2011 3:24 am 
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This may be a dumb question, but what do you hope to gain from 300 BLK that 7.62x39 doesn't do? I've successfully loaded 180gr .311" bullets subsonic in an AK and they not only fit in the mag, they cycle just fine.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Thu May 12, 2011 7:24 am 
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PTK wrote:
This may be a dumb question, but what do you hope to gain from 300 BLK that 7.62x39 doesn't do? I've successfully loaded 180gr .311" bullets subsonic in an AK and they not only fit in the mag, they cycle just fine.


Recipe please......and as far as the rest of it.....maybe because we want to? It doesn't have to pose a phenomenal tactical advantage or anything of the sort to spark development.

The same questions can be posed for the 300BLKvs 7.62x39. What is gained by the 300BLK.

-B


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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue May 17, 2011 10:45 am 
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Yes, recipe would be much appreciated..... I do have several "normal" AKs. 8)

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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue May 17, 2011 11:29 am 
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Sorry, I missed these two requests. I'll dig out the MTM boxes and type up both that data and the recipe from the logbook I keep. :)

Expect the recipe on here sometime this week, but do note that it comes with the standard disclaimers, such as ST isn't responsible, nor am I, for any damage to property or persons resulting from loading with the data. :wink:


EDIT: Found my logbook a lot quicker than I thought I would. Here you go...

174gr Interlock Hornady RNSP or 180gr Core-Lokt Remington RNSP and I worked up to Red Dot 6.0gr for ~930 fps out of a 16.3" barreled AK. It DOES NOT cycle the action, obviously. Funny enough, I originally came across the load for this on a forum years ago and tweaked it to my liking. :D

For some reading on the inherent dangers of these sort of loads, here's a good bit of reading on the subject. Be safe and enjoy.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Thu Aug 11, 2011 11:55 am 
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See the medal he pinned on me? It was because I made an AK in 300 AAC BLACKOUT.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Thu Aug 11, 2011 12:20 pm 
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silencertalk wrote:
See the medal he pinned on me? It was because I made an AK in 300 AAC BLACKOUT.


:lol:!!! Hilarious!


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 Post subject: Re: AK in 300 BLK?
PostPosted: Thu Aug 11, 2011 1:48 pm 
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Nice!!!

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 Post subject: Re: AK in 300 BLK?
PostPosted: Thu Dec 29, 2011 2:10 am 
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is that pic for real or photoshopped? that is bad to the bone?

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 Post subject: Re: AK in 300 BLK?
PostPosted: Sun Jan 08, 2012 8:12 pm 
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Bendersquint wrote:
What is gained by the 300BLK.-B


It feeds reliably in the AR platform?

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 Post subject: Re: AK in 300 BLK?
PostPosted: Sun Jan 08, 2012 8:52 pm 
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DesertRat wrote:
Bendersquint wrote:
What is gained by the 300BLK.-B


It feeds reliably in the AR platform?


As does a converted AR to 7.62x39


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 Post subject: Re: AK in 300 BLK?
PostPosted: Sun Jan 08, 2012 10:12 pm 
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Bendersquint wrote:
As does a converted AR to 7.62x39


No, not really. The tapered case of the 7.62X39 doesn't lend itself to being forced through the straight, deep mag well of the AR pattern rifles. There's a reason that the AK mag has that constant curve.

I know Colt built AR's in that chambering for a couple of years, as did a couple of other companies. Colt doesn't make them anymore and neither do any other top tier manufacturers. There's a reason for that.

I know that some people have gotten them to run, but I see those as range toys, not something that I would ever consider reliable enough for defensive purposes. I'm obviously not the only one.

If a 7.62X39 AR was a viable proposition, LMT, Noveske and others would be making them and someone other C Products would be making mags.

300 BLK exists for a reason.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Sun Jan 08, 2012 10:41 pm 
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DesertRat wrote:
Bendersquint wrote:
As does a converted AR to 7.62x39


No, not really. The tapered case of the 7.62X39 doesn't lend itself to being forced through the straight, deep mag well of the AR pattern rifles. There's a reason that the AK mag has that constant curve.

I know Colt built AR's in that chambering for a couple of years, as did a couple of other companies. Colt doesn't make them anymore and neither do any other top tier manufacturers. There's a reason for that.

I know that some people have gotten them to run, but I see those as range toys, not something that I would ever consider reliable enough for defensive purposes. I'm obviously not the only one.

If a 7.62X39 AR was a viable proposition, LMT, Noveske and others would be making them and someone other C Products would be making mags.

300 BLK exists for a reason.


I have shot the 7.62x39 in AR's with no problem, none at all and have several customers that use it as well with no issues. Most companies stopped making it due to the surplus ammo not being so surplus anymore unless they made up the reason to cover up reliability issues.

Basing whether or not its viable because a couple manufacturers don't make it doesn't make sense. When it was produced it was fine, there is a reason they sold so many barrels and why they made it as long as they did. If it wasn't reliable they wouldn't have marketed it and sold as many as they did.

300BLK exists because the military asked for it, the concept has been around for years and years and years in various incantations and all the manufacturers never touched it until it went SAAMI and was backed because of the military request. If Remington didn't push it through SAAMI and the military didn't ask for it it would still be 300Whisper(TM) or 300-221. All those shops could have ran with the 300-221 if they wanted but noone was doing it; it wasn't popular and there was no bandwagon to hop on. Alot more of this industry runs on whether or not a buck can be made over the reliability or viability of said product.

It's a more ideal cartridge for the AR platforms(300BLK) because there is less work needed to get it to run right.

I am just blown away at how many people are head over heals for this cartridge when noone seemed to care much while it was a Whisper(TM). I never thought it would gain the following it has since the concept and the original cartridge has been around for awhile.

95% of the guns anyone talks about here are range toys, and nothing more. The possibility of unreliability for the cartridge drives you away from it.....so don't buy one then. My experience is that it is reliable and I would defend the homestead with the ones I have shot.


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 Post subject: Re: AK in 300 BLK?
PostPosted: Mon Jan 09, 2012 1:14 pm 
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The popularity boomed for it when you no longer had to deal with JDJ licensing and case forming- With suppressor popularity climbing, an effective subsonic rifle cartridge is just the pill (pun intended) for curing anemic underloaded supersonic cartridges doing subsonic duty.


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 Post subject: Re: AK in 300 BLK?
PostPosted: Mon Jan 09, 2012 2:04 pm 
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jasonixo wrote:
The popularity boomed for it when you no longer had to deal with JDJ licensing and case forming- With suppressor popularity climbing, an effective subsonic rifle cartridge is just the pill (pun intended) for curing anemic underloaded supersonic cartridges doing subsonic duty.


You never had to deal with JDJ when it was a 30-221.

It boomed when the Military asked for it and AAC responded with the 300BLK and Remington pushed it through SAAMI. I think factory brass played a part in it but a very small part.


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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue Jan 10, 2012 11:20 pm 
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A huge investment in manufacturing the ammo before it was established helped grease the wheels too- I've always been fascinated with the whisper/30-221/30-223- it deserves some fame-


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 Post subject: Re: AK in 300 BLK?
PostPosted: Fri Jan 27, 2012 2:11 pm 
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Recipe: Subsonic 7.62 x39
180gr Rem Cor-Lokt. .311 Moly coated
6.5gr Red Dot
CCI LR primers

Avg: 980fps out of a 16" bbl MAK 90.
Doesn't even begin to cycle the action.

I drilled some of the primer flash holes to 1/8" and used Magnum primers for some of the loads according to some of the advice by Peter Cronhelm, but other than slightly increasing the velocity, it didn't seem to make a difference in reliability or lowered standard deviation.

As always, my results, my rifle. Your mileage may vary.

I'm curious about anybody who's managed to get an AK to cycle with subsonics. I've had no luck in that regard.

Can't see the point in converting a 7.62x39 with it's inherently low case volume/ caliber ratio to the 300BLK.

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 Post subject: Re: AK in 300 BLK?
PostPosted: Tue Feb 07, 2012 11:07 am 
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13.5 OF 1680 will cycle for me with a 220gr hornaday RNSP. make sure the OAL is no longer than 2.114 to keep the pressure up. If they are not round nose bullets you will likely get keyholing out of the ak at 50yds. Stays subsonic for me and cyles well when suppressed, even on FA

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