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Thread: 18.6 inch AR barrels with integrated muzzle brake/flash hider

  1. #11
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    What about 18.5" barrels with a sort of "Vang Comp" (to borrow from the shotgun world) for rifles. Port the end of the barrel like a flash hider or compensator. Mill the outside near the muzzle so it looks like a flash hider or compensator. It would be a lot of precision drilling mind you. If you did that process BEFORE cutting the rifling, it wouldn't mess up the rifle grooves near the muzzle.

    Remington did something like that with their Toblerone shaped barrels on the 700 VTR.
    Last edited by Astute Observer; 04-17-2020 at 03:02 PM.
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  2. #12
    CGN frequent flyer duncansuds's Avatar
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    Yep. Some fellas used to call it magnum porting. This did not effect the overall barrel length as per the registration days.
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  3. #13
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    Another thought; Faxon has also made custom 18.6 barrels for Canada in the past, maybe theyd even do a run of custom 18.6 barrels in the style of their 16 inch barrels w/ integral muzzle devices.

  4. #14
    CGN Ultra frequent flyer jiffx2781's Avatar
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    Quote Originally Posted by Astute Observer View Post
    What about 18.5" barrels with a sort of "Vang Comp" (to borrow from the shotgun world) for rifles. Port the end of the barrel like a flash hider or compensator. Mill the outside near the muzzle so it looks like a flash hider or compensator. It would be a lot of precision drilling mind you. If you did that process BEFORE cutting the rifling, it wouldn't mess up the rifle grooves near the muzzle.

    Remington did something like that with their Toblerone shaped barrels on the 700 VTR.
    The rifling doesn't go to the end of the bore on the Rem VTR. The barrel is bored out larger for the portion that has the top ports.

    But yes it still counts towards the barrels overall length.
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  5. #15
    CGN Ultra frequent flyer Stevo's Avatar
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    Quote Originally Posted by 5HoursNorth View Post
    Unfortunately in Canada barrel length goes from breach to the end of the rifling ,this goes back to when they were importing m1carbines with 16 inch barrels and they tried welding on 2.5 inch flashhiders to make it 18.5 inches,the rcmp quickly said nope
    No, it doesn't have to include rifling. The example you cite is adding a piece to the barrel, not having a continuous barrel to the end of an integrated comp or flash suppressor.

    Herron Arms did barrels exactly like the OP is requesting and they are perfectly legal.
    Whatever

  6. #16
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    So, what if the rifling continues into it, but gradually increases in diameter? The opposite of choke, essentially.
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  7. #17
    CGN Ultra frequent flyer Leg's Avatar
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    And what would be the point of that? The rifling doesn’t have to go to the end.

  8. #18
    CGN frequent flyer FarmerDanz's Avatar
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    Quote Originally Posted by 5HoursNorth View Post
    Unfortunately in Canada barrel length goes from breach to the end of the rifling ,this goes back to when they were importing m1carbines with 16 inch barrels and they tried welding on 2.5 inch flashhiders to make it 18.5 inches,the rcmp quickly said nope
    Shotguns?


    Welding on isnt the same as manufactured as.

  9. #19
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    Quote Originally Posted by 5HoursNorth View Post
    Unfortunately in Canada barrel length goes from breach to the end of the rifling ,this goes back to when they were importing m1carbines with 16 inch barrels and they tried welding on 2.5 inch flashhiders to make it 18.5 inches,the rcmp quickly said nope
    This is not at all true. If length of rifling is what mattered, then putting a caliber adapter in my shotgun would convert it from a 30" non-restricted to a 2.5" prohibited firearm. And what would smoothbore long guns be considered?

    Barrel length is muzzle to breechface.

  10. #20
    Super GunNutz mileageman's Avatar
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    Quote Originally Posted by apexanimal View Post
    Another thought; Faxon has also made custom 18.6 barrels for Canada in the past, maybe theyd even do a run of custom 18.6 barrels in the style of their 16 inch barrels w/ integral muzzle devices.
    I have thought about this in the past as well. I'm not a 100% sure if the Faxon barrels arre 'integral' in the Canadian sense or in the US sense with pined/welded muzzle devices.

    https://www.thefirearmblog.com/blog/...kes-shot-2017/

    But realistically with this type of thing your best bet is to save yourself a lot of hassle, time and frustration and just get a custom one made in Canada. Trying to group buy or convince a manufacturer to build something like this is near pointless. You might have 20 people interested, and when realistic custom pricing comes out only 5 will pony up the cash, so most manufacturers won't touch this, not worth their time.

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