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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 08:46
Lockjaw View Drop Down
Optics Apprentice
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Has anyone used one of their uppers? 

I am after an 10.5 in upper, and with the shooting in Orlando, they are getting scarce. PSA is sold out. 

Just curious if anyone has gotten a complete upper from someone other than PSA and found it to be pretty decent. 

I am filing my trust with ATF soon, and want to go ahead and order the upper. I can do that as long as I don't attach it to a lower, correct?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 09:51
Rancid Coolaid View Drop Down
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Correct.

I've seen lots of stuff, it isn't scarce yet, but it will be.

Did you check SWFA, do they carry any uppers?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 10:39
Lockjaw View Drop Down
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No not yet. 

PSA was sold out of just about all uppers this weekend. I hate it when these things happen, AR15 stuff dries up. You have to find it in more obscure places. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 10:47
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You will want to have a pistol built lower to attach it to if you have it in your possession.  Otherwise a dick of an ATF agent could charge you with intent to create a short barreled rifle.  Even owning a shorter than 16" barrel without a proper lower (either stamped SBR or pistol) they could get you on intent. 

Chances of it happening are slim I know, but it would be a felony charge.  IMO well worth the $50 for the pistol tube for that risk.  Plus you can actually go shoot it with the pistol tube. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 10:54
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ROLL TIDE ROLL

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I have a 10.5 inch 300 blkout Hardened Arms upper that shoots sweet.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 10:56
supertool73 View Drop Down
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Also I would highly suggest staying 11.5 or longer on your barrel for .223/5.56 caliber.  There are some significant advantages to it in velocity, and reliability by improved dwell time.  With that extra inch of barrel BCM says it adds 40% longer dwell time.  That is huge for reliability factors. BCM did some testing on them and found the 11.5 to be very much superior to the 10.5. 

Also here are some velocity samples.  This obviously isn't tell all, but if even a little accurate it is significant. 
https://www.ar15.com/archive/topic.html?b=3&f=118&t=509733

IF SWFA doesn't have anything that catches your eye.  BCM on their homepage have quite a few 11.5 sbr uppers in stock. 



Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 11:24
supertool73 View Drop Down
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One other thought.  IIRC you also talked about getting a suppressor.  The shorter the barrel the faster it will wear out your suppressor.  Most suppressor builders list a minimum barrel length and caliber to use with their cans.  Might be worth considering your future uses with the upper as well.  If you get one that is okay for use a very short barrels they typically weight  ton, so they change your POI a lot when mounted on your rifle.  So there are always tradeoffs. 

Also, SBRs are freaking loud, and I mean crazy loud.  So using them without a suppressor IMO sucks.  Even with ears on it is surprisingly loud.  The only reason I wanted a couple was so my rifles with suppressors were similar in length to a typical rifle.  I carry my ARs on my wheelers and side by side a lot, so having a shorter rifle is easier for me and it fits in my ATV gun cases.   

I was shooting my 8" 300 blk with my suppressor and the loads were not quite subsonic.  They were running in the 1150 range.  I have a 9" 30cal suppressor and it was loud enough I wanted my ears on.  I can shoot my 16" and 19" .308s and not use hearing protection and it doesn't seem as loud to me. 

Anyway, not trying to change your mind on a SBR just sharing some things I was told before hard and have discovered myself. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 11:50
Rancid Coolaid View Drop Down
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I agree with most of that.

On the 10.5 vd 11.5, I do run a 10.5, suppressed and non-, but only when a small 223 is needed - and it seldom is.

SBR's are very loud. Very.

I have a 10.5" 300 WTF barrel coming, it will replace the 16" that's just too damned long for easy use with a can.  But the 16" is much quieter.

Does anyone know of a forward rail system in the 1.9-2.0 diameter?  I have a 338 can that might be good for the 300WTF, lots of volume, plenty of length, but if I want it to nest, I need a big rail!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 12:26
Lockjaw View Drop Down
Optics Apprentice
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I can get a pistol buffer tube and go that route while tax stamp is in process.

I was thinking about an 11.5 also. I know it's going to be loud but I did want a suppressor and then I would be about same length as my standard AR.

My SW MOE MP 15 has some kind of different muzzle brake on it. It supposed to direct sound away from shooter. It's longer than an A2 one.

Do most of u get these with a quad rail or A2 FRONT SITE? My gf gave me half the cash for tax stamp for fathers dY plus cash for an alg trigger. I am gonna have to keep her.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 12:40
supertool73 View Drop Down
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Originally posted by Rancid Coolaid Rancid Coolaid wrote:


Does anyone know of a forward rail system in the 1.9-2.0 diameter?  I have a 338 can that might be good for the 300WTF, lots of volume, plenty of length, but if I want it to nest, I need a big rail!


Seekins is the biggest I can find.  Did a little searching, but they are only 1.8.  Spikes has a 1.79. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 12:49
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The seekins MCSR is designed to be longer than the barrel and then your suppressor fits under the barrel.  I did this on my 300 blk.  I used a seekins barrel and the MCSR handgaurd.  It works great, by allowing you to put your hand out as far and you like.  

http://swfa.com/Seekins-Precision-Pro-Series-8-Complete-Upper-P79662.aspx

Pro

Seekins Precision Pro Series 8" Complete Upper


On my .223 with the 11.5 I use a Samson mfg evolution 7" extended.  My reason for this is I put a adams arms piston kit on it.  So I needed to have access to the gas block.  If it was direct Impingement I would have bought the MCSR again. 

It ended up looking about like this.  I used a 11.5 BCM SS410 hand lapped barrel. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 13:57
Lockjaw View Drop Down
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OK well the trust has been submitted to ATF along with assignment of an Anderson Stripped Lower and application to build an SBR. I am going to get an 11.5 in one. I called PSA and asked them how long their 16 in gun was and took 5.5 inches off. So I said 27.5 in long.

Hope they have wiggle room since I can't assemble one to measure it. 


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 14:02
Lockjaw View Drop Down
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I like your second one. DO those get hot when you shoot the gun? The Quad rails like that? 

Is it good to get one with the front sight on it, or get one with a quad rail and have 45 degree sites and put an optic on it?


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: June/20/2016 at 14:48
supertool73 View Drop Down
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I suppose they could get hot if you shot it enough rapidly.  But I bet that would take hundreds of rounds.  I have never personally shot any AR enough in a string to get it to hot to hold the hand guard.  I have dumped 4 mags once rapidly just to do it and the barrel was crazy hot, but hand guard not so hot I could use it properly. 

I prefer not having an A2 sight.  I don't like having it in front of my optic.  I buy fold down sights if I choose to have back up irons on a rifle. 

I have not used the 45 degree sights enough to have an opinion.  I shot 3 or 4 rounds like that once.  I suppose it depends upon your use of the gun.  If you need lots of speed getting to your irons it would make sense.  Otherwise fold downs or no backup sights would probably suffice for most of us.  
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