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Prototype Muzzle break

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  #64  
Unread 11-27-2013, 06:27 AM
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Join Date: Dec 2011
Location: WI
Posts: 40
Re: Prototype Muzzle break

J E when you talk of tuning for different calibers, is this with the same brake and you have screws that you adjust to get the ports right?
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  •   #65  
    Unread 11-27-2013, 08:58 AM
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    Join Date: Jul 2004
    Location: Texas
    Posts: 7,001
    Re: Prototype Muzzle break

    Quote:
    Originally Posted by catskinner View Post
    J E when you talk of tuning for different calibers, is this with the same brake and you have screws that you adjust to get the ports right?

    The brake for the 50 BMG has the set screws. The smaller versions (fits .223 to .458 +calibers) and does not have set screws but if the rifle/pistol is threaded I have timing washers for the do it yourself people. Or the Smith can time the brake when he threads the Tenon.

    The tuned brake is the same design it is just machined/Tuned for a specific cartridge to improve the performance even more.

    The 50 BMG brake can be tuned but on the Barrett M82 A1 (A recoil operated rifle) to much reduction will prevent it from operating properly. I can tune the Assassin For other 50 caliber rifles that are bolt or gas operated and reduce recoil even more.

    Lots of people are using the Assassin without tuning and are very happy with 55% to 60% recoil reduction.
    reduction. Tuning helps all cartridges but the real benefit is with the large overbore cartridges
    for Long range hunting/shooting. On some of the cartridges tested the Assassin has exceeded
    70% recoil reduction. Even though the tuned Assassin reduces the DB's I still recommend hearing
    protection for any rifle/pistol with or without a muzzle brake.

    Hear is a link to my new Web Site (Still under construction) that may answer some of your questions.

    Home - JECustom

    Thanks

    J E CUSTOM
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      #66  
    Unread 12-01-2013, 06:18 AM
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    Join Date: Dec 2008
    Location: Great Falls, MT
    Posts: 9,270
    Re: Prototype Muzzle break

    Quote:
    Originally Posted by J E Custom View Post
    The brake for the 50 BMG has the set screws. The smaller versions (fits .223 to .458 +calibers) and does not have set screws but if the rifle/pistol is threaded I have timing washers for the do it yourself people. Or the Smith can time the brake when he threads the Tenon.

    The tuned brake is the same design it is just machined/Tuned for a specific cartridge to improve the performance even more.

    The 50 BMG brake can be tuned but on the Barrett M82 A1 (A recoil operated rifle) to much reduction will prevent it from operating properly. I can tune the Assassin For other 50 caliber rifles that are bolt or gas operated and reduce recoil even more.

    Lots of people are using the Assassin without tuning and are very happy with 55% to 60% recoil reduction.
    reduction. Tuning helps all cartridges but the real benefit is with the large overbore cartridges
    for Long range hunting/shooting. On some of the cartridges tested the Assassin has exceeded
    70% recoil reduction. Even though the tuned Assassin reduces the DB's I still recommend hearing
    protection for any rifle/pistol with or without a muzzle brake.

    Hear is a link to my new Web Site (Still under construction) that may answer some of your questions.

    Home - JECustom

    Thanks

    J E CUSTOM
    Bookmarked!

    Ed
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      #67  
    Unread 12-06-2013, 03:18 PM
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    Join Date: Aug 2013
    Posts: 169
    Re: Prototype Muzzle break

    Quote:
    Originally Posted by J E Custom View Post
    The snipers report that after 30 or 40 rounds they had some cases of nose bleeding from the
    pressure wave and that if you try to shoot it with only ear plugs it was known to blow them
    out of your ears from the pressure inside of the sinuses.
    The bleeding will actually start in half that amount. My team had a 10 round limit for the spotter because he is the 1 who receives the brunt of all these effects because he is not directly behind the rifle.
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      #68  
    Unread 12-06-2013, 05:08 PM
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    Join Date: Mar 2006
    Location: polson MT.
    Posts: 747
    Re: Prototype Muzzle break

    I would like to see a U-TUB WITH THE 338 lapua- 300GR to see the difference in muzzle brake. Joe
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      #69  
    Unread 12-07-2013, 10:03 AM
    Platinum Member
     
    Join Date: Jul 2004
    Location: Texas
    Posts: 7,001
    Re: Prototype Muzzle break

    Quote:
    Originally Posted by new shooter View Post
    I would like to see a U-TUB WITH THE 338 lapua- 300GR to see the difference in muzzle brake. Joe
    I have a couple of 338 Lapua's in the works and will test them as soon as they are built.

    Calculations on the 338 Lapua show the recoil to be between 60% and 65% with the tuned Assassin and the 300 grain bullets.

    So far the Calculations have been spot on. But I still like to verify the results.

    J E CUSTOM
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      #70  
    Unread 12-07-2013, 10:14 AM
    Platinum Member
     
    Join Date: Jul 2004
    Location: Texas
    Posts: 7,001
    Re: Prototype Muzzle break

    Quote:
    Originally Posted by Jcub View Post
    The bleeding will actually start in half that amount. My team had a 10 round limit for the spotter because he is the 1 who receives the brunt of all these effects because he is not directly behind the rifle.

    First : Thank you for your service.

    That was the motive behind the design of the Assassin muzzle brake.

    The big 50 gets to everyone within 15 or 20 feet when fired and especially the spotter.

    If you watch the video you can see the difference for the shooter and especially the spotter.

    There is an easy way to find the videos. the website is not complete yet but we have a link to the You Tube videos on it.

    Just Google a search for jecustom.com and it will link you to all of the videos.

    Thanks

    J E CUSTOM
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