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Socram420
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Posted: 8/3/2013 9:04:15 PM
I bought a DD 14.5" barrel and a 2.0 Battle Comp, I know I need to get these pinned and welded but wanted to know if this combination will be the legal 16" length.
Sc0tt
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Posted: 8/3/2013 9:12:41 PM
if i'm correct, it's longer than the 1.5, which would have made it legal.

the 1.5 also has a pre-drilled hole, but who the hell needs that LOL. nothing a drill can't fix.
Socram420
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Posted: 8/3/2013 9:24:04 PM
Well that's why I bought the 2.0 it measures 1 3/4" just to be sure. Thing is I actually took them to do the pin and weld and the gunsmith says its a 1/2" short of 16".
SHD
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NRA
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Posted: 8/3/2013 9:27:00 PM
Did the smith measure with the bolt in battery, or measured the overall length, including the barrel extension?

The only measure that counts is with the bolt in battery, and the measuring stick against the bolt face.
"You can hide $20 dollars of corporate tax in a gallon of milk." - Mark Larue, Maker of some of the finest dust in the world.
Sc0tt
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Posted: 8/3/2013 9:27:32 PM
I just looked at the site, and I might be wrong. the 2.0 DOES look shorter than the 1.5.
Jakes1022
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Posted: 8/3/2013 9:34:15 PM
Just went to the website. 2.0 is pretty much the 1.0 but compatible with suppressors. You need the 1.5. I'm sure someone will take that 2.0 off your hands.
Socram420
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Posted: 8/3/2013 9:37:30 PM
He didn't measure with the bolt in place. He attached the barrel to the upper, put my rail on and screwed on the comp and measured from where the upper and rail meet to the end of the comp and measured 15.5".
rawmade
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Posted: 8/3/2013 9:41:29 PM
[Last Edit: 8/3/2013 10:01:48 PM by rawmade]
Thats not how it works. 16" barrels dont even measure 16" from the receiver. You measure from the extension.
Edit: i thought the 2.0 was long enough but guess its not? Its the same length as a A2 so it would be too short I guess.
Apparently with the 2.0 you will sit 0.20" short
Socram420
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Posted: 8/3/2013 10:04:03 PM
So you think 1.5 will give me the extra length I need.
Redtazdog
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Posted: 8/3/2013 10:11:56 PM
[Last Edit: 8/3/2013 10:15:02 PM by Redtazdog]
If your barrel is exact 14.5 and has .600 length threads and the flash hider is 2.0 then you will end up with a 15.9 OAL
and if you add a crush washer you may be at 16.0
A muzzle devise takes away some length when threaded on.
With the bolt group in drop a cleaning rod in the barrel until its against the bolt face, mark the rod with tape at the crown of the barrel, pull it
out and measure the length.
WitchDr
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Posted: 8/3/2013 10:14:05 PM
I know it will.. I have the 1.5 on my 14.5 dd barrel
I love hot dogs!
BrianMcC
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Posted: 8/3/2013 10:15:51 PM
I have a 14.5 BCM upper with a pinned and welded BattleComp 1.5 on it. I have measured it to be 16".
Combat_Jack
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Posted: 8/3/2013 10:16:27 PM
The 1.5 is the one you need.

Battlecomp 1.5
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Redtazdog
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Posted: 8/3/2013 10:18:47 PM
[Jump To Reply]Originally Posted By WitchDr:
I know it will.. I have the 1.5 on my 14.5 dd barrel

Your 14.5 barrel must be longer than you think.
A 14.5 barrel and a 1.5 muzzle devise will not make a 16.0 oal as the devise threads over .600 of the barrel so you end up with
15.4 oal and 15.5 with a crush washer.
TBoneDetroit
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Posted: 8/3/2013 10:19:25 PM
[Jump To Reply]Originally Posted By SHD:
Did the smith measure with the bolt in battery, or measured the overall length, including the barrel extension?

The only measure that counts is with the bolt in battery, and the measuring stick against the bolt face.

Interesting, I did not know that (makes complete sense though). Do you have a link to something official showing that to be the prescribed method? I'd love to have that as a reference source.
T Bone (Detroit).
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TBoneDetroit
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Posted: 8/3/2013 10:22:42 PM
[Last Edit: 8/3/2013 10:23:52 PM by TBoneDetroit]
[Jump To Reply]Originally Posted By Redtazdog:
Originally Posted By WitchDr:
I know it will.. I have the 1.5 on my 14.5 dd barrel

Your 14.5 barrel must be longer than you think.
A 14.5 barrel and a 1.5 muzzle devise will not make a 16.0 oal as the devise threads over .600 of the barrel so you end up with
15.4 oal and 15.5 with a crush washer.

Seems the "1.5" name refers to usable or "net" length. From the description
The BC1.5 has the same performance as the BC1.0, but the BC1.5 has been extended and pre-drilled for permanent attachment to 14.5" barrels needing 16.1" overall length.
T Bone (Detroit).
كافر

"A fear of weapons is a sign of retarded sexual and emotional maturity"
Sigmund Freud
Redtazdog
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Posted: 8/3/2013 10:23:03 PM
[Jump To Reply]Originally Posted By TBoneDetroit:
Originally Posted By SHD:
Did the smith measure with the bolt in battery, or measured the overall length, including the barrel extension?

The only measure that counts is with the bolt in battery, and the measuring stick against the bolt face.

Interesting, I did not know that (makes complete sense though). Do you have a link to something official showing that to be the prescribed method? I'd love to have that as a reference source.

ATF made this rule and its the true way to get the length.
TBoneDetroit
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Posted: 8/3/2013 10:26:22 PM
[Jump To Reply]Originally Posted By Redtazdog:
Originally Posted By TBoneDetroit:
Originally Posted By SHD:
Did the smith measure with the bolt in battery, or measured the overall length, including the barrel extension?

The only measure that counts is with the bolt in battery, and the measuring stick against the bolt face.

Interesting, I did not know that (makes complete sense though). Do you have a link to something official showing that to be the prescribed method? I'd love to have that as a reference source.

ATF made this rule and its the true way to get the length.

I believe you, was just hoping you had a link to that information on their site or some other official site. Makes it easier to quote than saying "I heard it from some guy on the internet". No offense intended, I don't doubt your facts, just looking for a quotable source to show others in the future (off to search the ATF site for the info now).
T Bone (Detroit).
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"A fear of weapons is a sign of retarded sexual and emotional maturity"
Sigmund Freud
Redtazdog
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Posted: 8/3/2013 10:26:59 PM
[Jump To Reply]Originally Posted By TBoneDetroit:
Originally Posted By Redtazdog:
Originally Posted By WitchDr:
I know it will.. I have the 1.5 on my 14.5 dd barrel

Your 14.5 barrel must be longer than you think.
A 14.5 barrel and a 1.5 muzzle devise will not make a 16.0 oal as the devise threads over .600 of the barrel so you end up with
15.4 oal and 15.5 with a crush washer.

Seems the "1.5" name refers to usable or "net" length. From the description
The BC1.5 has the same performance as the BC1.0, but the BC1.5 has been extended and pre-drilled for permanent attachment to 14.5" barrels needing 16.1" overall length.

I see as the true oal of the BC1.5 is probably 2.1 or longer and they call it what it adds to a barrel instead of the real oal.
TBoneDetroit
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Posted: 8/3/2013 10:29:45 PM
[Last Edit: 8/3/2013 10:39:05 PM by TBoneDetroit]
Originally Posted By Redtazdog:
Originally Posted By TBoneDetroit:
Originally Posted By SHD:
Did the smith measure with the bolt in battery, or measured the overall length, including the barrel extension?

The only measure that counts is with the bolt in battery, and the measuring stick against the bolt face.

Interesting, I did not know that (makes complete sense though). Do you have a link to something official showing that to be the prescribed method? I'd love to have that as a reference source.

ATF made this rule and its the true way to get the length.




And easier than I expected, here is the BATF page backing what you said (and Thank You again for the info!).
BATF Barrel measurement procedure
T Bone (Detroit).
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"A fear of weapons is a sign of retarded sexual and emotional maturity"
Sigmund Freud
Redtazdog
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Posted: 8/3/2013 10:45:10 PM
[Jump To Reply]Originally Posted By TBoneDetroit:
Originally Posted By Redtazdog:
Originally Posted By TBoneDetroit:
Originally Posted By SHD:
Did the smith measure with the bolt in battery, or measured the overall length, including the barrel extension?

The only measure that counts is with the bolt in battery, and the measuring stick against the bolt face.

Interesting, I did not know that (makes complete sense though). Do you have a link to something official showing that to be the prescribed method? I'd love to have that as a reference source.

ATF made this rule and its the true way to get the length.




And easier than I expected, here is the BATF page backing what you said (and Thank You again for the info!).
BATF Barrel measurement procedure


You are faster on the web seach than me
Since I make many barrels and some integral suppressed I know many of the atf rules + it helps to have the fed regs and state regs books at home.
Socram420
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Posted: 8/3/2013 10:45:34 PM
Great responses and information. Exactly what I was expecting from a great forum. Thanks again to everyone.
rawmade
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Posted: 8/3/2013 11:12:00 PM
[Last Edit: 8/3/2013 11:14:34 PM by rawmade]
Edit: sorry misread, thought he was saying a BC 1.5 wouldnt make a 14.5 legal, realized he meant a 1.5" MUzzle device.
FargoZ71
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Posted: 8/3/2013 11:35:31 PM
[Jump To Reply]Originally Posted By Redtazdog:
Originally Posted By WitchDr:
I know it will.. I have the 1.5 on my 14.5 dd barrel

Your 14.5 barrel must be longer than you think.
A 14.5 barrel and a 1.5 muzzle devise will not make a 16.0 oal as the devise threads over .600 of the barrel so you end up with
15.4 oal and 15.5 with a crush washer.



:) This is straight from BCM's web site sir :

The BattleComp 1.5 in Black Oxide will fit all barrels with 1/2 x 28 RH standard threads.

The BC1.5 has the same performance as the BC1.0, but the BC1.5 has been extended and pre-drilled for permanent attachment on 14.5" barrels needing 16.1" overall length.


One of the reasons I went with their comp mod 1..
WitchDr
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Posted: 8/3/2013 11:53:01 PM
[Last Edit: 8/4/2013 12:09:09 AM by WitchDr]
[Jump To Reply]Originally Posted By Redtazdog:
Originally Posted By WitchDr:
I know it will.. I have the 1.5 on my 14.5 dd barrel

Your 14.5 barrel must be longer than you think.
A 14.5 barrel and a 1.5 muzzle devise will not make a 16.0 oal as the devise threads over .600 of the barrel so you end up with
15.4 oal and 15.5 with a crush washer.



BC 1.5 is the model number..it actually measures just over two inches
I love hot dogs!
rawmade
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Posted: 8/3/2013 11:55:01 PM
[Jump To Reply]Originally Posted By FargoZ71:
Originally Posted By Redtazdog:
Originally Posted By WitchDr:
I know it will.. I have the 1.5 on my 14.5 dd barrel

Your 14.5 barrel must be longer than you think.
A 14.5 barrel and a 1.5 muzzle devise will not make a 16.0 oal as the devise threads over .600 of the barrel so you end up with
15.4 oal and 15.5 with a crush washer.



:) This is straight from BCM's web site sir :

The BattleComp 1.5 in Black Oxide will fit all barrels with 1/2 x 28 RH standard threads.

The BC1.5 has the same performance as the BC1.0, but the BC1.5 has been extended and pre-drilled for permanent attachment on 14.5" barrels needing 16.1" overall length.


One of the reasons I went with their comp mod 1..


My reply was similar, but I realized he was talking about 1.5" long devices in general, not the BC 2.0, which is like 2" long.
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