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300 AAC Blackout #2080576
04/05/17 03:39 PM
04/05/17 03:39 PM
Joined: Apr 2008
Posts: 132
Gardendale
G
G1Eagle Offline OP
3 point
G1Eagle  Offline OP
3 point
G
Joined: Apr 2008
Posts: 132
Gardendale
Recently got my .30 caliber surpressor out of jail and I'm interested in getting a 300 AAC Blackout upper to shoot surpressed. I'm not interested dealing with short barrel rifle issues so I'm thinking a 16" barrel. It will be paired with a Rock River lower. What should I be looking for if I want to be able to shoot subsonic and supersonic ammo? Twist rate? Gas system? Good brand? Where to get the best deal? Any help is appreciated.

Re: 300 AAC Blackout [Re: G1Eagle] #2080639
04/05/17 04:27 PM
04/05/17 04:27 PM
Joined: May 2016
Posts: 420
Covington County,Alabama
Alb Offline
4 point
Alb  Offline
4 point
Joined: May 2016
Posts: 420
Covington County,Alabama
I have a 16 inch Hardened Arms upper had it almost a year and it's got close to a 1000 rounds thru it have had no trouble with it. I think it was a little over 400 bucks

Re: 300 AAC Blackout [Re: G1Eagle] #2080821
04/06/17 02:17 AM
04/06/17 02:17 AM
Joined: Apr 2014
Posts: 1,726
Jasper, Alabama
V
ValleyDawg Offline
8 point
ValleyDawg  Offline
8 point
V
Joined: Apr 2014
Posts: 1,726
Jasper, Alabama
I have had good luck with hardened arms and radical firearms uppers. For twist rate, 1/8 Is good for supers and subs. For gas system a pistol length gas system is the best to make sure the subs get enough gas to cycle. When you shoot subs, make sure to try them with your suppressor OFF for the first couple shots and check the bullet holes to make sure the bullets are not tumbling. A tumbling bullet will destroy your baffles or at least damage them.

Re: 300 AAC Blackout [Re: G1Eagle] #2080887
04/06/17 03:33 AM
04/06/17 03:33 AM
Joined: Jun 2015
Posts: 13,978
Some Marriott/Auburn
A
AU7MM08 Offline
Booner
AU7MM08  Offline
Booner
A
Joined: Jun 2015
Posts: 13,978
Some Marriott/Auburn
300Blk was optimized for a short barrel
I can understand not wanting to go the SBR route so why don't you build an AR pistol with a brace.

Re: 300 AAC Blackout [Re: AU7MM08] #2081022
04/06/17 05:58 AM
04/06/17 05:58 AM
Joined: Apr 2008
Posts: 132
Gardendale
G
G1Eagle Offline OP
3 point
G1Eagle  Offline OP
3 point
G
Joined: Apr 2008
Posts: 132
Gardendale
I've heard that it is optimized with a short barrel. I'm not sure I have the skills or the tools to build an AR pistol. I know I can put a complete upper on a complete lower but I'm not confident beyond that. I was also trying to keep my costs down.

What would be the process of building one and the estimated cost? Any recommendations on parts/supplies, etc?

Thanks for the info.

Re: 300 AAC Blackout [Re: G1Eagle] #2081164
04/06/17 08:35 AM
04/06/17 08:35 AM
Joined: Apr 2013
Posts: 2,022
Mobile, AL
M
Mdees Offline
8 point
Mdees  Offline
8 point
M
Joined: Apr 2013
Posts: 2,022
Mobile, AL
16", pistol gas length and a1/7 twist will stabilize the heaviest subsonics.

You can buy complete pistol uppers for around $350, maybe less, and build a dedicated pistol lower for around $150.

Re: 300 AAC Blackout [Re: Mdees] #2081372
04/06/17 01:00 PM
04/06/17 01:00 PM
Joined: Apr 2008
Posts: 132
Gardendale
G
G1Eagle Offline OP
3 point
G1Eagle  Offline OP
3 point
G
Joined: Apr 2008
Posts: 132
Gardendale
Thanks

Re: 300 AAC Blackout [Re: G1Eagle] #2081383
04/06/17 01:14 PM
04/06/17 01:14 PM
Joined: Jun 2013
Posts: 52,010
Gee's Bend/At The Hog Pen
James Offline
Freak of Nature
James  Offline
Freak of Nature
Joined: Jun 2013
Posts: 52,010
Gee's Bend/At The Hog Pen
Congrats don't look like I'm ever gonna get mine lol. I'm waiting to try mine on my Sig AR pistol chambered 300blk


How many people am i willing to sacrifice for freedom?
Everyone. All of them...

Do not regret growing older, it's a privilege denied to many!

Re: 300 AAC Blackout [Re: G1Eagle] #2081499
04/06/17 02:58 PM
04/06/17 02:58 PM
Joined: Dec 2011
Posts: 1,609
AL
T
TwoRs Offline
8 point
TwoRs  Offline
8 point
T
Joined: Dec 2011
Posts: 1,609
AL
Start buying Ammo or reloading now, you will burn thru it quick!
Lots of fun, low recoil easy shooting.

Re: 300 AAC Blackout [Re: James] #2081515
04/06/17 03:13 PM
04/06/17 03:13 PM
Joined: Apr 2008
Posts: 132
Gardendale
G
G1Eagle Offline OP
3 point
G1Eagle  Offline OP
3 point
G
Joined: Apr 2008
Posts: 132
Gardendale
Took me about 9 months to the day to get my stamp. Just try not to think about it.

Re: 300 AAC Blackout [Re: G1Eagle] #2081785
04/06/17 11:25 PM
04/06/17 11:25 PM
Joined: Feb 2004
Posts: 568
Eufaula,Al
CrimsonWSM Offline
4 point
CrimsonWSM  Offline
4 point
Joined: Feb 2004
Posts: 568
Eufaula,Al
I bought a Sota Arms 300 blk upper.If i remember right i paid in the 350-400 range for it.Excellent quality. Having some feeding issues that i have not quite figured out yet wich are probably magazine related.


DANG IT BOY!!!
Re: 300 AAC Blackout [Re: G1Eagle] #2082099
04/07/17 07:30 AM
04/07/17 07:30 AM
Joined: Dec 2010
Posts: 1,727
Bammer
T
TCEncore308 Offline
8 point
TCEncore308  Offline
8 point
T
Joined: Dec 2010
Posts: 1,727
Bammer
You're going to love shooting 300blk suppressed. I have a Barrett 16" AR in 300blk but my next gun will be a 300blk pistol. The braces have come a long way and as other have said the round is optimized for the shorter barrel. Also I believe any 300blk round 220 grains and over is subsonic.

Re: 300 AAC Blackout [Re: G1Eagle] #2083507
04/09/17 06:47 AM
04/09/17 06:47 AM
Joined: May 2010
Posts: 5,894
Cullman
C
CKyleC Offline
(Can't Keep It Up...)
CKyleC  Offline
(Can't Keep It Up...)
C
Joined: May 2010
Posts: 5,894
Cullman
Originally Posted By: G1Eagle
I've heard that it is optimized with a short barrel. I'm not sure I have the skills or the tools to build an AR pistol. I know I can put a complete upper on a complete lower but I'm not confident beyond that. I was also trying to keep my costs down.

What would be the process of building one and the estimated cost? Any recommendations on parts/supplies, etc?

Thanks for the info.


PSA sells complete Pistol Lowers and a 8.5" .300blk upper with everything except the BCG and CH. I have one of the uppers. I'm very satisfied for the price.


"In Alabama, we prefer to kill small bucks on big properties"-Turkey247
Re: 300 AAC Blackout [Re: CKyleC] #2083678
04/09/17 12:21 PM
04/09/17 12:21 PM
Joined: Apr 2008
Posts: 132
Gardendale
G
G1Eagle Offline OP
3 point
G1Eagle  Offline OP
3 point
G
Joined: Apr 2008
Posts: 132
Gardendale
Thanks. I've been thinking about a PSA. Just wasn't sure about them and whether I would have any issues with it cycling sub sonic rounds. Glad to hear some feedback on PSA.

Re: 300 AAC Blackout [Re: G1Eagle] #2083688
04/09/17 12:32 PM
04/09/17 12:32 PM
Joined: Apr 2014
Posts: 1,726
Jasper, Alabama
V
ValleyDawg Offline
8 point
ValleyDawg  Offline
8 point
V
Joined: Apr 2014
Posts: 1,726
Jasper, Alabama
Everything i have ever got from PSA has been great. The only issue I ever had was a 8.5" 300blk upper I got from them that wouldn't stabilize 208 and 220gr bullets. I got rid of it and got a radical firearms 10.5" barreled upper and haven't had a problem since.

Re: 300 AAC Blackout [Re: ValleyDawg] #2083766
04/09/17 01:56 PM
04/09/17 01:56 PM
Joined: May 2010
Posts: 5,894
Cullman
C
CKyleC Offline
(Can't Keep It Up...)
CKyleC  Offline
(Can't Keep It Up...)
C
Joined: May 2010
Posts: 5,894
Cullman
Originally Posted By: ValleyDawg
Everything i have ever got from PSA has been great. The only issue I ever had was a 8.5" 300blk upper I got from them that wouldn't stabilize 208 and 220gr bullets. I got rid of it and got a radical firearms 10.5" barreled upper and haven't had a problem since.


That's interesting. I just finished up shooting some hornady 208 hpbt. I used 10gr of shooter's world .300blk ammo. I didn't test for accuracy, just function. They stabilized, fed, ejected and locked the bolt back.

How long ago did you buy that PSA upper?


"In Alabama, we prefer to kill small bucks on big properties"-Turkey247
Re: 300 AAC Blackout [Re: G1Eagle] #2083790
04/09/17 02:21 PM
04/09/17 02:21 PM
Joined: Apr 2014
Posts: 1,726
Jasper, Alabama
V
ValleyDawg Offline
8 point
ValleyDawg  Offline
8 point
V
Joined: Apr 2014
Posts: 1,726
Jasper, Alabama
Over a year ago. Like I said, I love psa and have never had an issue other than that. That upper shot everything else really good.

Re: 300 AAC Blackout [Re: G1Eagle] #2083801
04/09/17 02:32 PM
04/09/17 02:32 PM
Joined: May 2010
Posts: 5,894
Cullman
C
CKyleC Offline
(Can't Keep It Up...)
CKyleC  Offline
(Can't Keep It Up...)
C
Joined: May 2010
Posts: 5,894
Cullman
I bought mine last July. It's a stainless barrel. I'll have to pay extra attention to stabilization. The last thing I need is a baffle or end cap strike.


"In Alabama, we prefer to kill small bucks on big properties"-Turkey247

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