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Posted: 8/14/2013 12:16:16 AM EDT
Torn between the two. The 10.5 is sexier and looks cooler but the 12.5 is more useable and probably more reliable.

Your thoughts?
Link Posted: 8/14/2013 4:36:21 AM EDT
I have a 12.5 and like it.  I like 10.5 guns too.  The 12.5 is a good compromise between the two. I like having the higher velocity.
Link Posted: 8/14/2013 5:11:38 AM EDT
Ive had both.

Started with a 10.5

Went to a 12.5

Back to 10.5

You really cant lose either way

As far as reliability, both are good to go as long as its set up correctly
Link Posted: 8/14/2013 6:12:23 AM EDT
I bought one of those 10.5 FN barrels from PKFirearms a few months before the Panic hit.  I love it.  Gassed decent... and really reliable.  I don't run a bunch of XM193 garbage in it.  Good hot .223.

I was a big 11.5 fan... and always bought into the 10.5 = less reliable arguement.... but we know enough these days to get the right gas port and buffer... and Rock n Roll, Jackson!

My 10.5 is my INSIDE/Home Defense Gun.
Link Posted: 8/14/2013 9:13:26 AM EDT
Like others I have both a 10.5" and 12.5".  I like both but love the 12.5".  If I could only have one AR, it would be my 12.5" Crusader hands down.

Link Posted: 8/14/2013 9:29:38 AM EDT
10.5. I to got fn barrel from pk firearms. Love it. I went as whort as I could and still run reliably. A good quality 10.5, FN or DD, etc will run fine.
Link Posted: 8/14/2013 10:52:54 AM EDT
The way I see it, as far as maneuverability 2" really isn't gonna matter much, but the fact that those 2" increases the velocity and the effective range of reliable fragmentation, makes me think it's the better way to go.
Link Posted: 8/14/2013 12:19:42 PM EDT
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The way I see it, as far as maneuverability 2" really isn't gonna matter much, but the fact that those 2" increases the velocity and the effective range of reliable fragmentation, makes me think it's the better way to go.
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Link Posted: 8/14/2013 12:23:04 PM EDT
11.5
Link Posted: 8/14/2013 12:50:58 PM EDT
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Quoted:
The way I see it, as far as maneuverability 2" really isn't gonna matter much, but the fact that those 2" increases the velocity and the effective range of reliable fragmentation, makes me think it's the better way to go.
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I disagree.  I can feel the difference from 11.5 to 10.5... and the velocity matters not with a good Mk 262 round.  Frag city at SBR distances of engagement.
Link Posted: 8/14/2013 7:53:05 PM EDT
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11.5
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This is what I chose for my first SBR.

Link Posted: 8/15/2013 6:07:22 AM EDT
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This is what I chose for my first SBR.

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Quoted:
Quoted:
11.5


This is what I chose for my first SBR.



Same here.  Ran 11.5 for many years.  Now my two SBRs are 14.5 SOCOM for my OUTSIDE gun... and 10.5 FN for my INSIDE GUN.

11.5 uppers decorate the entertainment center.
Link Posted: 8/15/2013 6:56:46 AM EDT
I own several length's as well.  8.5 on up.   As was mentioned, 11.5 is great.  It's my favorite.  As was also mentioned, we "know" enough and can get enough after market parts to make almost anything run these days.   All that being said, I would like to ask the OP how he likes to shoot, and how long his arms are?   If you are into the competition style, thumb over top, extended arm grip, and you have long arms (like me)- you can forget about that with a 10.5.  If you don't mind running vertical grips or if you have shorter arms, than 10.5 is cool.  Just a thought.   I wanted to run my first SBR (11.5 costa clone) like Costa, with the AFG grip.  I couldn't do it.  had to go back to split grip on a VFG.     I love my SBR's, but I still shoot fastest on the timer with my rifle length rail and 14.5 pinned guns.  These are things that nobody tells you as you are welcomed into the SBR fold!



-Green.
Link Posted: 8/15/2013 7:07:09 AM EDT
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If you are into the competition style, thumb over top, extended arm grip, and you have long arms (like me)- you can forget about that with a 10.5.
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Yep.. No "Scorpion" with a 10.5 for sure... or any carbine with a fixed FSB.
Link Posted: 8/15/2013 7:50:10 AM EDT
I've got an 11.5''.  Wanted something that would feed and shoot any ammo and still be reliable.  The 11.5'' is just a little extra insurance in my mind for a SHTF carbine as opposed to a 10.5''.  The 11.5'' with a thumb over bore grip really puts me at the end of the barrel so it's good to go.  I'm 6'2''.  11.5'' or 12.5'' if I could do it again.  Not interested in a 10.5''.
Link Posted: 8/15/2013 8:15:57 AM EDT
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Not interested in a 10.5''.
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I wasn't either until I owned one.
Link Posted: 8/15/2013 10:16:00 AM EDT
I have both, I couldn't pick just one.  If I HAD to though, it would be the 12.5".  It is long enough that I can get my arm out on it without feeling cramped.
Link Posted: 8/15/2013 11:12:35 AM EDT

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Quoted:


Ive had both.



Started with a 10.5



Went to a 12.5



Back to 10.5



You really cant lose either way



As far as reliability, both are good to go as long as its set up correctly
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I shoot my 12in about 60% of the time but I love my 10.5 cus of the light weight

 
Link Posted: 8/15/2013 11:33:37 AM EDT
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but I love my 10.5 cus of the light weight  
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I'm not a weight fusser, but that is indeed true.

When I go from my SOCOM to 10.5...    Quite a difference.
Link Posted: 8/15/2013 12:02:38 PM EDT
Get all three.  I started with an 11.5 and just built a 12.5 that I haven't shot yet.  Also waiting on parts for a 10.5 in 5.45.  I have a feeling I'm really going to like it.  (I also had a 14.5 that I thought was WAY too long.)
Link Posted: 8/15/2013 2:43:51 PM EDT
Link Posted: 8/15/2013 5:24:31 PM EDT
Link Posted: 8/15/2013 5:25:39 PM EDT
Link Posted: 8/15/2013 5:40:48 PM EDT
Link Posted: 8/15/2013 6:44:22 PM EDT
I started with a 10.5" Noveske.  It ran great.  I recently converted it to a 12.5" gun.  I am really liking it.  I weighed the barrels, and they weigh exactly the same.  (Noveske vs BCM)  So I only added 2" and no weight and I am getting better range and more velocity...  A good trade off in my opinion.  I also have a 9" 300 BLK for a short gun...

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I am really liking your forends.  I would also like to see a version with most of the slots gone from the bottom...  Will I be able to mount an M4-2000 with the 12" forend?
Link Posted: 8/15/2013 6:49:31 PM EDT
I couldn't stop at just one.  I've got 7.5", 10.5", 11.5", and a 12.5".  I love them all.
Link Posted: 8/15/2013 7:51:12 PM EDT
Link Posted: 8/15/2013 7:52:37 PM EDT
Link Posted: 8/15/2013 7:58:11 PM EDT
For the longest time, I wanted a 10.5" Noveske but after some searching on the forums... seems like most recommend KAC if you're going to just buy a full complete rifle instead of building one. The shortest they run is a 11.5"! Think that'll be the one I go for... I thought the Noveske Switchblock would be perfect for potential suppressors, but I've never heard any complaints about KAC.
Link Posted: 8/18/2013 10:42:56 AM EDT
Question.

What if I change addresses during the wait to get approved?

Link Posted: 8/18/2013 10:57:56 AM EDT
Another vote for a 12.5". 10"ers are cool looking but as others have said a like the idea of more velocity and don't miss not being 2" shorter.
Link Posted: 8/18/2013 1:34:02 PM EDT
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Quoted:


Same here.  Ran 11.5 for many years.  Now my two SBRs are 14.5 SOCOM for my OUTSIDE gun... and 10.5 FN for my INSIDE GUN.

11.5 uppers decorate the entertainment center.
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Quoted:
Quoted:
Quoted:
11.5


This is what I chose for my first SBR.



Same here.  Ran 11.5 for many years.  Now my two SBRs are 14.5 SOCOM for my OUTSIDE gun... and 10.5 FN for my INSIDE GUN.

11.5 uppers decorate the entertainment center.


+1, even at the risk of offering "C" when only asked about "A or B." I really like my 11.5".
Link Posted: 8/20/2013 6:20:19 AM EDT
Link Posted: 8/20/2013 6:34:01 AM EDT
11.5" FTW!!!
Link Posted: 8/20/2013 6:54:07 AM EDT
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11.5" FTW!!!
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Yeah.. but 10.5 is FTMFW!

Plus you get Epic Pwn3age!
Link Posted: 8/20/2013 8:30:33 AM EDT
If you're going to SBR it make it a 10.5". They are just as reliable today than any other barrel length. The unreliable thing was when they were first produced and had teething problems.
Link Posted: 8/20/2013 8:45:18 AM EDT
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Quoted:
If you're going to SBR it make it a 10.5". They are just as reliable today than any other barrel length. The unreliable thing was when they were first produced and had teething problems.
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It's amazing how little we know about buffers and gas ports just a few years back.  
Link Posted: 8/22/2013 8:49:36 AM EDT
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Quoted:
For the longest time, I wanted a 10.5" Noveske but after some searching on the forums... seems like most recommend KAC if you're going to just buy a full complete rifle instead of building one. The shortest they run is a 11.5"! Think that'll be the one I go for... I thought the Noveske Switchblock would be perfect for potential suppressors, but I've never heard any complaints about KAC.
View Quote



You could be like me and get both..LOL..

Noveske 10.5 SS on the top and Noveske CL N4 10.5" Switchblock on the bottom



Factory 11.5 KAC SBR on the far right.

Link Posted: 8/22/2013 8:53:17 AM EDT
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Quoted:
I own several length's as well.  8.5 on up.   As was mentioned, 11.5 is great.  It's my favorite.  As was also mentioned, we "know" enough and can get enough after market parts to make almost anything run these days.   All that being said, I would like to ask the OP how he likes to shoot, and how long his arms are?   If you are into the competition style, thumb over top, extended arm grip, and you have long arms (like me)- you can forget about that with a 10.5.  If you don't mind running vertical grips or if you have shorter arms, than 10.5 is cool.  Just a thought.   I wanted to run my first SBR (11.5 costa clone) like Costa, with the AFG grip.  I couldn't do it.  had to go back to split grip on a VFG.     I love my SBR's, but I still shoot fastest on the timer with my rifle length rail and 14.5 pinned guns.  These are things that nobody tells you as you are welcomed into the SBR fold!

-Green.
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We must have been twims separated at birth cause this is pretty much exactly how I feel..LOL.. I used to run SBR's in my local 2 gun competitions but, for the last two years, have been shooting 14.5" middy's.
Link Posted: 9/7/2013 5:26:10 PM EDT
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Any tuning needed? I really want to chop down my predatAR barrel to 12-12.5
Link Posted: 9/9/2013 10:04:33 AM EDT
Started with a 12" but was just jones'n for the 10.5" Now that I have the 10.5" I tend to shoot it more than any other rifle I have.
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