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Posted: 2/25/2017 8:47:44 PM EDT
[#1]
I have an 11.5" and a 12" both suppressed.
Not sure what anyone else's ideal is, but they're perfect to me. |
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Posted: 2/25/2017 8:49:25 PM EDT
[#2]
I think a good length is 11.5. I have a 10, and 14.5 they are ok.
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Posted: 2/25/2017 8:53:34 PM EDT
[#3]
depends on it's intended use.
What max distance (100 yards, 300 yards etc.) and on what targets (humans, steel etc.)? Also what kind of cramped spaces are you shooting from (car/truck, houses etc.)? |
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Posted: 2/25/2017 8:57:55 PM EDT
[#4]
Quote HistoryQuoted:
depends on it's intended use. What max distance (100 yards, 300 yards etc.) and on what targets (humans, steel etc.)? Also what kind of cramped spaces are you shooting from (car/truck, houses etc.)? 100-200 yards max. Range use and home defense. No cramped spaces, just always wanted one. |
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Posted: 2/25/2017 9:06:37 PM EDT
[#5]
I'd go 10.5" in that case.
Good self defense rounds will do their job at CQB distances and you won't need the extra velocity gains around 1-200 yards on paper and steel. If you're getting an SBR anyway, and your first one at that, get as small of one that can get that does the job. 10.5" is also the manufacturers limit for many silencers* |
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Posted: 2/25/2017 9:21:08 PM EDT
[#6]
I've got a 7.5" and a 10.5" the 7.5" is a fun range toy but the 10.5" is definitely practical. Having said that if I was going to do another upper i'd probably go with a 12.5" just because I think it's the best combination of barrel length and compactness of an overall package.
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Posted: 2/25/2017 9:41:23 PM EDT
[#7]
7.5 or 12in is what I have. Love both. Anyone who says "7.5 is unreliable" deserves a punch in the face
 Mine is a sewing machine.
new 12in mini REECE 
7.5in 
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Posted: 2/25/2017 10:11:18 PM EDT
[#8]
I have a 10.5 and like it.
With 75-77gr ammo it's surprisingly effective to 400-500yd. Not ideal by any means, but it does make a lot of hits. Great little "truck gun", easy to handle, light weight, and 0-400+yd effective at poking holes. |
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Posted: 2/26/2017 12:15:57 AM EDT
[#9]
Quoted:
I plan to build my first SBR sometime in the upcoming months. What's the optimal barrel length for a 5.56 SBR? My dream SBR would also be suppressed so keep that in mind. Many thanks! I'm in the same boat, but I will probably built a pistol then get the stamp down the road. I like the 10.5" option, the suppress it. I need more research on suppression and how it should be related to barrel length. |
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Posted: 2/26/2017 1:14:20 AM EDT
[#10]
Well optimal barrel length for an SBR would be 15.9" for velocities sake. But I would have to recommend 10.3-12.5" as far as what you meant.
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Posted: 2/26/2017 1:21:09 AM EDT
[#11]
10.5 inches is a good length. Some consider it the bare minimum for SBR since 7.5 loses so much energy. At 7.5 you should look at 300 blkout
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Posted: 2/26/2017 9:39:36 AM EDT
[#12]
People use to she away from 10.5 because if bullet performance. That is less than or almost a non issue now.
Many companies produce bullets that are made for 10.5 inch guns and trukybiffer performance. Speer Gold Dot for one. Head to the ammo section to read more and don't let anyone scare you out of a 10.5. They are awesome. |
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Posted: 2/26/2017 9:39:50 AM EDT
[#13]
10.5 is what you seek for 5.56.
Many cans will void the warranty less than 10". 10.5 still has enough velocity with most ammo to have a good ballistic threshold out to 150 yards. Plenty for HD. if your going to spend $200 go as short as practical. Don't go shorter. The 7" uppers you see are nothing more than a light show and serve no practical purpose. my 10.5 with specwar  Attached File |
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Posted: 2/26/2017 12:57:57 PM EDT
[#14]
In 5.56, I am a huge fan of my LMT 10.5" CQB MRP. My can of choice for it is my YHM titanium 762 on the QD brake, although I am waiting on the approval for a Taupe NT-4 which may find it's way on that upper.
I am also a fan of my 8" Noveske 300BLK upper which is really quiet using 208s. You can hear the bullet smack dirt with it. |
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Posted: 2/26/2017 1:13:46 PM EDT
[#15]
10.5. And plan on a suppressor. They are no fun without a suppressor.
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Posted: 2/26/2017 2:04:18 PM EDT
[#16]
Quote HistoryQuoted: 10.5. And plan on a suppressor. They are no fun without a suppressor. 
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Posted: 2/26/2017 4:26:47 PM EDT
[#17]
Quote HistoryQuoted:
I have an 11.5" and a 12" both suppressed. Not sure what anyone else's ideal is, but they're perfect to me. this |
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Posted: 2/26/2017 6:52:43 PM EDT
[#18]
I have a Noveske 11.5" upper that is unbelievable out to 400yds. I also have a 7.5" upper that is good to 100yds and lots of fun. Both suppress very well and I don't give a crap about warranty any more, I have a YHM Phantom. No erosion after many many rounds.
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Posted: 2/26/2017 6:55:03 PM EDT
[#19]
Quote HistoryQuoted:
I'd go 10.5" in that case. Good self defense rounds will do their job at CQB distances and you won't need the extra velocity gains around 1-200 yards on paper and steel. If you're getting an SBR anyway, and your first one at that, get as small of one that can get that does the job. 10.5" is also the manufacturers limit for many silencers* This. 10.5" with red dot. For SBR I like 10.5" for 200 yards and in. If you need more range then go up to 16". I just finished a pdw build with a 7.5" barrel for a fun gun, but my ideal cqb rifle is a 10.5" sbr with aimpoint comp m2. |
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Posted: 2/26/2017 7:12:56 PM EDT
[#20]
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Posted: 2/26/2017 7:15:09 PM EDT
[#21]
Michael, I would say that a 10.5" - 11.5" barrel would be best. 11.5" barrels are also very commonly used for 5.56 SBRs. Are you going to build this with a free-float handguard? If so, you may want to consider an adjustable gas block so that you can tune the AR for use with and without the suppressor.
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Posted: 2/26/2017 7:29:35 PM EDT
[#22]
10.3 or 10.5 if you're going through all the work to go short barrel. Maybe 11.5 if you go with a shorty can.
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Posted: 2/26/2017 7:35:33 PM EDT
[#23]
11.5 for me. It's what BCM and KAC recommend.
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Posted: 2/26/2017 8:58:08 PM EDT
[#24]
What brands do you recommend for 10.5? I was looking at 11.5 from BCM, but not really sure where to go for 10.5.
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Posted: 2/26/2017 9:31:59 PM EDT
[#25]
Quote HistoryQuoted:
What brands do you recommend for 10.5? I was looking at 11.5 from BCM, but not really sure where to go for 10.5. For a 10.5" barreled assembly, LMT. |
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Posted: 2/26/2017 9:40:46 PM EDT
[#26]
I've wanted an SBR for some time and always thought I'd go 11.5" but after reading this I'm starting to reconsider.
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Posted: 2/26/2017 9:46:35 PM EDT
[#27]
Quote HistoryQuoted:
What brands do you recommend for 10.5? I was looking at 11.5 from BCM, but not really sure where to go for 10.5. When I built mine a few years ago I went with a mas defense 1-8 twist, wylde, 10.5" barrel. I have put a few thousand rounds through it suppressed and unsuppressed. I have used it in some run and guns and in one of them hit a 500 meter steel target 2 out of 3 times with m193 and 2.5x powered optic. It has been my favorite rifle I have ever built and has run like a champ. Since then I have bought a few more barrels from them and they have all performed great. Unless you need a match barrel look around, there are plenty of solid uppers and barrels out there that don't break the bank. |
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Posted: 2/26/2017 9:48:07 PM EDT
[#28]
I have 11.5" w/ suppressor and wouldn't have it any other way.
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Posted: 2/26/2017 10:04:01 PM EDT
[#29]
11.5"
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Posted: 2/26/2017 10:38:32 PM EDT
[#30]
Perfectly happy with my BCM 11.5". Runs fine suppressed. Never really tried to run it hard without the can.
BCM, KAC, and there's the Colt 11.5". If looking for 10.5 go for LMT or DD. |
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Posted: 2/26/2017 11:58:22 PM EDT
[#31]
Quote HistoryQuoted:
When I built mine a few years ago I went with a mas defense 1-8 twist, wylde, 10.5" barrel. I have put a few thousand rounds through it suppressed and unsuppressed. I have used it in some run and guns and in one of them hit a 500 meter steel target 2 out of 3 times with m193 and 2.5x powered optic. It has been my favorite rifle I have ever built and has run like a champ. Since then I have bought a few more barrels from them and they have all performed great. Unless you need a match barrel look around, there are plenty of solid uppers and barrels out there that don't break the bank. What'd you go with for the rail? Once you said that I took a look and the Yankee Hill 9.675" with the 1-7 Stainless Wylde 10.5" barrel caught my eye. Doesn't look like a bad price at all. |
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Posted: 2/27/2017 9:49:21 AM EDT
[#32]
11.5" with a suppressor
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Posted: 2/27/2017 11:25:35 AM EDT
[#33]
Quote HistoryQuoted:
In 5.56, I am a huge fan of my LMT 10.5" CQB MRP. My can of choice for it is my YHM titanium 762 on the QD brake, although I am waiting on the approval for a Taupe NT-4 which may find it's way on that upper. I am also a fan of my 8" Noveske 300BLK upper which is really quiet using 208s. You can hear the bullet smack dirt with it. The MRP and QDSS-NT4 makes for a sexy combo... 
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Posted: 2/27/2017 3:40:30 PM EDT
[#34]
Quote HistoryQuoted:
What'd you go with for the rail? Once you said that I took a look and the Yankee Hill 9.675" with the 1-7 Stainless Wylde 10.5" barrel caught my eye. Doesn't look like a bad price at all. Quote HistoryQuoted:
Quoted:
When I built mine a few years ago I went with a mas defense 1-8 twist, wylde, 10.5" barrel. I have put a few thousand rounds through it suppressed and unsuppressed. I have used it in some run and guns and in one of them hit a 500 meter steel target 2 out of 3 times with m193 and 2.5x powered optic. It has been my favorite rifle I have ever built and has run like a champ. Since then I have bought a few more barrels from them and they have all performed great. Unless you need a match barrel look around, there are plenty of solid uppers and barrels out there that don't break the bank. What'd you go with for the rail? Once you said that I took a look and the Yankee Hill 9.675" with the 1-7 Stainless Wylde 10.5" barrel caught my eye. Doesn't look like a bad price at all. I went with the SLR SOLO 10" I think. I had to grind the front of the forearm back a little so the can would butt right up against it. Top picture is when I had a Vortex SPARC AR briefly. The bottom picture is when I upgraded to Aimpoint comp M2, it has the blast shield instead of the can in this pic. Bottom pic is of a recent 7.5" upper that I built for a range toy! 
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Posted: 2/27/2017 4:25:24 PM EDT
[#35]
12.5
Or 11.5 I shoot the 12.5 the most |
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Posted: 2/27/2017 4:42:44 PM EDT
[#36]
10.5"
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Posted: 2/27/2017 8:37:19 PM EDT
[#37]
10.5"
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Posted: 2/27/2017 8:54:46 PM EDT
[#38]
I have a 11.5" pistol as a suppressor host. I still haven't shot it yet, but I will tell you it seems kinda long, not in hand, but in pictures and appearances. It doesn't look quite as awesome as so many shorties do. My suppressor wasn't rated any shorter. I would suggest a 10.5" then, but make sure you get a compatible suppressor, which is probably gonna cost more. I have heard that 11.5" ballistics is far better than anything shorter than that--which makes sense if the suppressors are taking too much blast from anything shorter--so if you want a gun that can reach out further and do almost anything a 16" barrel can do then 11.5" would be better.
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Posted: 2/27/2017 8:56:25 PM EDT
[#39]
I have a 10.3 and a 12.5
Both are sexy firearms. I plan on running mostly 77 gr but have been shooting 62 gr just fine |
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Posted: 2/27/2017 11:37:17 PM EDT
[#40]
I went with an 11.5" after reading BCM's statement about it. With that said after having an 11.5" then get all the others.
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Posted: 3/1/2017 12:43:57 PM EDT
[#41]
I went with 11.5 bcm upper.
Just shot in in a middle of a ice storm without any issues. 
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Posted: 3/1/2017 12:47:50 PM EDT
[#42]
Go with a 10.5", just make sure to go with a company that doesn't have a comically over-sized gas port.
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Posted: 3/1/2017 12:48:57 PM EDT
[#43]
10-12" is where you want to be.
I have 2 in 11.5". |
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Posted: 3/1/2017 1:00:52 PM EDT
[#44]
Very happy with how my 11.5" shoots.
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Posted: 3/1/2017 1:09:35 PM EDT
[#45]
7, 7.5, 8, 10, 10.5, 12, 12.5
I use a my 10" for home defense with the can attached. My 12" is a mini SPR/hunting rig/trunk gun. |
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Posted: 3/2/2017 5:29:18 PM EDT
[#46]
10.3
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Posted: 3/2/2017 5:45:16 PM EDT
[#47]
For me, 11.5 if splitting time with/without a can. 12.5 if not gonna use a suppressor often or at all.
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Posted: 3/2/2017 11:43:07 PM EDT
[#48]
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Posted: 3/2/2017 11:55:43 PM EDT
[#49]
Quote HistoryQuoted:
10.3" is best 10.5 and 11 are OK. Put a 12" next to a 14.5" P/W and you'll wonder why you waisted $200.00 on a stamp for 2.5" Variety is the spice of life. If you have a few SBRs, a 12.5" might be worthwhile. P/W isn't free, a stamp may be only $100 more. The other thing to consider is the muzzle device. A 12.5" with something like a Griffin minimalist brake would be decently shorter than 16.1" I'm on board with 12.5" not being optimal for your one and only |
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