User Panel
User Panel
User Panel
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Posted: 11/13/2003 8:33:46 PM EDT
[#1]
As of (IIRC) FY 2001, they are all 4 ounces heavier under the handguards.
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Posted: 11/13/2003 8:56:42 PM EDT
[#2]
My understanding is that only 200 or so M4A1s were changed to the mid-weight M4 barrel.
-Troy |
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Posted: 11/13/2003 9:09:43 PM EDT
[#3]
Troy would know better, but the way I heard it, the mil-spec was changed permanently.
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Posted: 11/14/2003 6:47:48 AM EDT
[#4]
Picture from [b]KevinB[/b]
[img]photos.ar15.com//WS_Content/ImageGallery/IG_LoadImage.asp?iImageUnq=3088[/img] |
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Posted: 11/14/2003 12:44:51 PM EDT
[#5]
Now why isn't anyone producing the M4A1 barrel for civilian sales?
WHAT IS GOING ON? (does anyone else out there want one?) I know I do. |
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Posted: 11/14/2003 5:43:21 PM EDT
[#6]
ACTUALLY, I TOOK THAT PIC.
THERE'S MORE THAN 4 OUNCES DIFFERENCE, CONSIDERABLY MORE. I SUPPOSE THE HEAVIER BARREL MIGHT HOLD UP UNDER ABUSE BETTER, OR MIGHT POSSIBLY BE MORE ACCURATE. THE ONLY SURE THING IS THAT IT'S HEAVIER. NO, MINE IS NOT FOR SALE. WES GRANT [URL]MSTNN.BIZ[/URL] |
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Posted: 11/14/2003 7:31:14 PM EDT
[#7]
Several (<10) thousand Heavy barrels have been made and issued by Colt. I've only seen a few in circulation for sale though.
The 'normal' contour M4 barrel is still in production (at a rate of 10K+/year) |
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Posted: 11/14/2003 8:58:20 PM EDT
[#8]
Can a regular M203 on an M4 be removed and attached to a M4A1 HB without any modification?
DPMS, and everyone else (I wanted to say BM but I think BM technically made the first of these or something like that.) copied the original M4 profile, so why not copy this one? |
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Posted: 11/14/2003 9:18:36 PM EDT
[#9]
My RRA M4 upper from pete in NH was heavy under the handguards but it was 1/9 twist not 1/7.
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Posted: 11/14/2003 9:53:53 PM EDT
[#10]
You could always order one of the special run of 16" 1:7 HBARs that Bushmaster is making and have it profiled to the M4A1 HB profile. Even with the extra barrel work, it'd probably be cheaper than the Colts, which are also virtually unobtainable.
-Troy |
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Posted: 11/15/2003 10:16:37 AM EDT
[#11]
I would do just that if I knew that a standard M4 M203 grenade launcher would mount to this barrel and what exacty the specs for the contour are, without the specs for the contour it is pretty hard to duplicate.
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Posted: 11/15/2003 10:18:19 AM EDT
[#12]
The m203 will still fit. You should call Bushmaster or RRA to get the specs of the barrel, or maybe KKF has them.
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