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Posted: 4/12/2006 11:57:40 AM EDT
Is this a correct assessment of barrel profiles?:

Going from lightest/thinnest to heaviest:

1)"Lightweight" Barrel: consistently thin from upper receiver to FH sometimes called "pencil" thin
2)"Gov't Profile": Thin under handguards/heavier up front for 203
3)"Medium Contour" (ala CMMG Inc.): I'm guessing consistent thickness for length of barrel somewhere between gov't profile and Hbar
4)"H-Bar": Thick Contour for entire length of barrel

I searched for definitions but couldn't find one unified answer. If I have missed any please let me know (I purposely left out the M4 profile because I wasn't sure how to categorize it).

Thanks in advance.


Link Posted: 4/12/2006 12:12:47 PM EDT
Basically you have it correct. Medium varies depending on who's barrel. Anywhere from a consistant 0.75" for the entire barrel, up to a .8something (SPR type). Heavys are in the .95 to 1" range to the FS then 0.75" after.

Bull Barrels are 1" the entire length (chamber to muzzle).

M4 would be a 'Govt Profile" as that is what the Govt uses, and it fits the bill. It just adds a notch for the M203.
Link Posted: 4/12/2006 12:31:50 PM EDT

Originally Posted By Forest:
Basically you have it correct. Medium varies depending on who's barrel. Anywhere from a consistant 0.75" for the entire barrel, up to a .8something (SPR type). Heavys are in the .95 to 1" range to the FS then 0.75" after.

Bull Barrels are 1" the entire length (chamber to muzzle).

M4 would be a 'Govt Profile" as that is what the Govt uses, and it fits the bill. It just adds a notch for the M203.



Thanks. I figured I was pretty close but just wanted to get a concrete answer on the subject.

Thanks again.
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