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Thread: 18" Rifle Length Gas Barrel Options?

  1. #71
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    Sweet rifle

    The 69gr MK should work great don't forget the 77 mk with Varget or TAC or AR Comp

  2. #72
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    Well here is my first attempt at a ladder test with Sierra 69 gr. Match Kings with Varget and CCI BR4 primers. It didn't go very well because after I shot 8 shots I broke one of the legs on the plastic chair I was using. Anyway the numbers are not correct that I wrote on the target. The 1st. group was 5 shots and I couldn't see them very well because they were in the black so I drove down to see where they were hitting. I started out shooting 24.0 thru 24.4 grains which made a pretty small group. Then I shot 3 more which were 24.5-24.7 grains which I pulled the last one. Then after driving back I broke one of the legs trying to move the chair while sitting in it. (DAMN). The rest of the shots were not good because I couldn't hold steady with a 3 legged chair.

    In conclusion I have read that others have had excellent luck with 24 grains of Varget and it looks like it works good with my new 18" WOA upper. My first 5 shots were less than 1/2".
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    Last edited by gt40; 07-15-14 at 18:09.

  3. #73
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    Why not go with the Crane Blueprint for the MK 12

    Rifle length gas tube with Douglas Prem 1-7 MK 12 barrel

    Compass Eng. has the correct barrel

  4. #74
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    I've got a Noveske 17" JLZ barrel with rifle length gas system enroute soon from MSTN. Married to a MUR with a headspaced bolt, it should be an absolute laser. Toss on an SLR adjustable gas block and it should fit the practicality needs for a mostly suppressed rifle (but not all the time).
    Will post pictures and range report when it comes in.

  5. #75
    Join Date
    Oct 2012
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    TEXAS
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    Quote Originally Posted by BlackWatch16 View Post
    I've got a Noveske 17" JLZ barrel with rifle length gas system enroute soon from MSTN. Married to a MUR with a headspaced bolt, it should be an absolute laser. Toss on an SLR adjustable gas block and it should fit the practicality needs for a mostly suppressed rifle (but not all the time).
    Will post pictures and range report when it comes in.
    Is this a true rifle gas or the Noveske/MSTN intermediate?

  6. #76
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  7. #77
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    Quote Originally Posted by BlackWatch16 View Post
    I've got a Noveske 17" JLZ barrel with rifle length gas system enroute soon from MSTN. Married to a MUR with a headspaced bolt, it should be an absolute laser. Toss on an SLR adjustable gas block and it should fit the practicality needs for a mostly suppressed rifle (but not all the time).
    Will post pictures and range report when it comes in.
    Why the SLR gas block and not a Switchblock? My 18" SPR with rifle gas and Switchblock is great. I have an A1 stock on it and it is very Smith with or without a can.
    In no way do I make any money from anyone related to the firearms industry.


    "I have never heard anyone say after a firefight that I wish that I had not taken so much ammo.", ME

    "Texas can make it without the United States, but the United States can't make it without Texas !", General Sam Houston

  8. #78
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    Aug 2010
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    FL
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    I want to use a 15" BCM KMR rail, which doesn't fit over a switchblock. Love the SB but that's its downside.
    more rail length = more bipod stability = better accuracy

  9. #79
    Join Date
    Feb 2009
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    Western KY
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    DocSherm:

    did u get MSTN's LMT Bolt or did u just buy a standard Noveske bolt? looking to maybe RECCE or SPR my current BCM BFH KMR Upper. Wondering what to do on the bolt, since I want to install this one myself to gain the experience and save a little money in the process.

    Thanks

  10. #80
    Join Date
    Apr 2014
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    Looking for an accurate light-ish weight 18" for 3 gun, any suggestions?

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