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300 AAC Blackout Goodness
2/17/2011 4:49:02 PM
CMMG now has .300 AAC Blackout barrels uppers and rifles. There will be more configurations and many options available
Here are some pics and specs....
Our M300 Barrels offer gas ports at options at the pistol or carbine position. It is possible to mount a standard .750 gas block at the carbine, mid or rifle position. The M300 barrels is the most flexible barrel of its kind.
Barrels start at $199.95
- Fits Pistol or carbine Length Gas System
- 16" Barrel
- 1:8 Twist
- Pistol Length Gas System
- 16" Barrel
- Micro Gas Block
- 1:8 Twist
- Carbine Length Handguard
- F-Marked Front Sight Base
- Pistol Length Gas System
- Flat-top A3 Upper Receiver
- Compatible with standard AR15 lowers
- 16" Barrel
- 1:8 Twist
- 5/8x24 Threaded A2 Style Flash Hider
- Chambered in 300 AAC Blackout
- Mil-spec certified 4140 chrome-moly vanadium steel barrel
- .300 AAC Blackout chamber
- 1:8 twist
- Utilizes standard AR15 magazines and bolt
- WASP treated barrel, including the chamber, bore and under the front sight base
- A2 Flash hider installed with crush washer
- M4 Single heat shield Handguard
- Forged M4 upper receiver is T marked and has M4 feed ramp cuts
- Semi Auto bolt carrier
- Forged lower receivers are RDIAS/RLL compatible
- Mil-spec fire control group with .154 diameter Pins
- Mil-spec .250 diameter take-down pins
- Mil-spec 6 position ribbed reinforced stock
CMMG 300 AAC
Blackout series firearms have the following standard features.
Complete rifles
include One 30rd magazine and manual. Barrels are engraved CMMG WASP 300
AAC 1:8. Each firearm is head spaced and test fired before shipping.
Firearm specific features are listed with the individual item.
2/17/2011 8:59:51 PM
Can we get a pic of the 300 Blackout round next to a 5.56 round??
2/17/2011 9:16:16 PM
Originally Posted By skeeters65:
Can we get a pic of the 300 Blackout round next to a 5.56 round??
Can we get a pic of the 300 Blackout round next to a 5.56 round??
http://300aacblackout.com/
2/17/2011 9:24:36 PM
WOW thats nice..
2/17/2011 10:43:28 PM
wow awsome i am def going to be replacing my 5.56 upper and im glad i can keep my lower and mags
2/17/2011 10:44:25 PM
Any link for ammo/reloading dies?
2/18/2011 1:18:57 AM
I still get a kick out of that pistol length gas... just looks so odd on a longer barrel.
2/18/2011 6:07:12 AM
What is the benafit of a pistol length gas tube on a carbine length barrel's?
2/18/2011 8:06:01 AM
Same 5.56 mags?
Same or different followers?
Same or different followers?
2/18/2011 8:26:52 AM
Originally Posted By skeeters65:
Same 5.56 mags?
Same or different followers?
Same 5.56 mags?
Same or different followers?
This uses standard unmodified mags.
The pistol tube makes it easier to meter gas over the widest range of loads.
2/18/2011 8:33:04 AM
So what are the draw backs?
Where can I get ammo?
Where can I get ammo?
2/18/2011 1:43:28 PM
Originally Posted By skeeters65:
So what are the draw backs?
Where can I get ammo?
So what are the draw backs?
Where can I get ammo?
Drawbacks seem to be that some of the largest bullets, when loaded long can hit the rib on the side of the mag. I haven't read too many people having this issue, though.
The only down side I can see (having no hands-on experience) is the limited effective range compared to 5.56 or 6.X variants.
From this excellent thread: http://www.ar15.com/forums/topic.html?b=3&f=121&t=526803&page=1#i4984447
Ammo? Remington is supposed to be making .300BLK factory ammo. .300 Whisper from Corbon will likely work (reference the above thread). Otherwise, it just uses modified 5.56NATO cases. Forester is the only company making dies so far, to my knowledge.
2/18/2011 4:53:46 PM
Is that graph showing 16 inches of drop at 240 yards??
Wholy shit talk about dropping like a rock. That sucks!! That is a major drawback if I am reading that right..
Wholy shit talk about dropping like a rock. That sucks!! That is a major drawback if I am reading that right..
2/18/2011 4:59:38 PM
I bet you dont think the 7.62x39 has many drawbacks.. it's great for the ranges it was intended to be used.
2/18/2011 10:32:08 PM
would make a nice dissipator :)
2/19/2011 12:50:41 PM
Originally Posted By skeeters65:
Can we get a pic of the 300 Blackout round next to a 5.56 round??
Can we get a pic of the 300 Blackout round next to a 5.56 round??
2/19/2011 3:45:06 PM
This seems to be a good alternative to the 6.8 or 6.5. Only a barrel change to change calibers. You keep the magazines and capacities that you are used to and equal power to the 7.62x39 which is a proven man stopper. If you go sub sonic with a suppressor it is very quiet from what I've seen.
2/19/2011 11:11:55 PM
Originally Posted By greekwarrior:
This seems to be a good alternative to the 6.8 or 6.5. Only a barrel change to change calibers. You keep the magazines and capacities that you are used to and equal power to the 7.62x39 which is a proven man stopper. If you go sub sonic with a suppressor it is very quiet from what I've seen.
This seems to be a good alternative to the 6.8 or 6.5. Only a barrel change to change calibers. You keep the magazines and capacities that you are used to and equal power to the 7.62x39 which is a proven man stopper. If you go sub sonic with a suppressor it is very quiet from what I've seen.
well im keeping my 5.56 upper unless ammo prices drop(currently $1 per round) i cannot afford to have it as a range gun, thats looking at $30 per magazine, which is a ton compared to the $9 per mag with 5.56 rounds
2/23/2011 9:57:43 AM
Originally Posted By sinlessorrow:
well im keeping my 5.56 upper unless ammo prices drop(currently $1 per round) i cannot afford to have it as a range gun, thats looking at $30 per magazine, which is a ton compared to the $9 per mag with 5.56 rounds
Originally Posted By greekwarrior:
This seems to be a good alternative to the 6.8 or 6.5. Only a barrel change to change calibers. You keep the magazines and capacities that you are used to and equal power to the 7.62x39 which is a proven man stopper. If you go sub sonic with a suppressor it is very quiet from what I've seen.
This seems to be a good alternative to the 6.8 or 6.5. Only a barrel change to change calibers. You keep the magazines and capacities that you are used to and equal power to the 7.62x39 which is a proven man stopper. If you go sub sonic with a suppressor it is very quiet from what I've seen.
well im keeping my 5.56 upper unless ammo prices drop(currently $1 per round) i cannot afford to have it as a range gun, thats looking at $30 per magazine, which is a ton compared to the $9 per mag with 5.56 rounds
Keep it... and get a 300BLK SBR for CQB / HD. Can shoot from 110 to 240 grain projectiles. Very efficient, like 6.8, in shorter barrels so less or no muzzle flash. Subs with a suppressor are really fun and cycle reliably. The ability to switch from a mag of 220 grain subs to a mag of more potent 110 grain supers on the fly. Plus 5.56 parts redundancy with mags and bolts. ETA: If you reload this is cheap given low powder charges and 30 cal surplus projectiles. You can covert your 5.56 brass into 300BLK brass so there again is a big cost / availability advantage over 6.8.
2/23/2011 3:14:18 PM
For those of us looking for a shorter barrel, say 8 inch, is that a future possibility?
And if not, are there any drawbacks to getting a barrel and then having it cut down to 8"? Don't know if the WASP finish would affect this or not.
And if not, are there any drawbacks to getting a barrel and then having it cut down to 8"? Don't know if the WASP finish would affect this or not.
2/23/2011 3:58:47 PM
+1 for SBR
2/23/2011 4:22:25 PM
what do you call that gas system length?
2/23/2011 4:30:50 PM
Originally Posted By PreBandit:
+1 for SBR
+1 for SBR
+2 If you can make a 6" or 8" for that price point or better, I would not hesitate to jump on it.
2/24/2011 6:36:42 PM
Folks, before to get all tweaked about the velocity and trajectory remember that this round was designed for subsonic/suppressed use. Its not going to replace 6.5 or 6.8 because the bullet is not going to go fast enough. I have fired it both suppressed and un-suppressed and I am very impressed. Un-suppressed it is not much louder than .22 rimfire pistol. I was able to make 200 yard hits on a steel target 5 out of 5 times. I love it! I am going to buy one.
2/25/2011 1:08:13 AM
I wonder what type of performance this would get with a 100g or 110g bullet weight. Maybe good deep woods deer ammo?
5/15/2011 1:35:53 AM
Any word on 8-10" barrels? or would it be best to cut down a 16" pistol length system to say 8" or 9" and open the gas port alittle??? Guess it would be just as cheap to go to one of the other guys that have the short barrels in stock, considering this question always gets shot down or not answered.. Id rather buy one from cmmg, sucks
5/15/2011 9:20:08 AM
We are turning some 9" barrels now :-)
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5/15/2011 3:40:40 PM
any for sale at this time? Should I call and place an order?
5/15/2011 5:02:36 PM
They will be added to the site when they are ready to ship. We aren't taking any pre orders at this time.
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5/24/2011 5:43:25 AM
I would really like to see a 14/14.5" (with perm brake) lightweight profile chrome lined barrel produced. I have no use for subsonic rounds personally, so I am not sure what the preferred gas system should be for the supersonic loads. I am really exited about this caliber offering over some of the others that have been released in recent years. My build into this is at the "research stage", I hope to see it come together.
5/31/2011 12:53:11 PM
60 day rule
