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Thread: MOA challenge

  1. #111
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    Sep 2010
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    Cleveland, Ohio
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    ImageUploadedByTapatalk1432396425.279043.jpg

    100 yards, Rem 700 sps tac 308 in Manners T4A, bipod and rear bag used...again used 168gr AMAX w/41.5g IMR4895 (about 2550 fps)

  2. #112
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    I only had time for a little bolt gun action today. Remington PSS DM with a Leupold 8.5x24x40 target dot scope. Ammo is military 168 gr M856. Groups were fired off a Harris bipod with no rear bag support.

    Last edited by Sgt_Gold; 05-23-15 at 21:03.

  3. #113
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    My third attempt. I kept pulling a flyers on the two previous attempts.

    This thing is an absolute tack driver once I get my crap together and start doing my part.

    Rifle specs:

    Here's the full specs:

    Upper:
    - MEGA Arms billet upper
    - Rainier Arms UltraMatch 18" Stainless SPR barrel
    - AAC M4-2000 Suppressor
    - Geissele 15" SMR Mk2 rail
    - Syrac Ordnance GenII adjustable gas block
    - BCM BCG
    - AAC muzzle brake
    - Vortex Viper PST 6-24x50 scope
    - American Defense Recon scope mount
    - BCM Gunfighter charging handle (Large latch)
    - Harris bi-pod on an American Defense QD mount w/ spiked feet

    Lower:
    - MEGA Arms Ambi billet lower
    - Geissele Hi-Speed National Match trigger
    - Battle Arms Development selector
    - Forward Control Designs ABC/R bolt catch
    - Battle Arms Development magazine release
    - Magpul PRS stock
    - Accu-Shot BT12-QK monopod
    - Magpul K2+ grip
    - BCM Rifle extension
    - Sprinco 'Green' spring with standard rifle buffer

    Ammo:

    Hornady 75gr BTHP / 24.2gr IMR 4895 / New General Dynamics Brass 1.750" / Magtech SR Primer / COL 2.240"

    2710 fps






    Last edited by thecolter; 05-27-15 at 23:20.

  4. #114
    Join Date
    Aug 2011
    Location
    E. Tennessee
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    Nice rig, nice shooting!

    Quote Originally Posted by thecolter View Post
    My third attempt. I kept pulling a flyers on the two previous attempts.

    This thing is an absolute tack driver once I get my crap together and start doing my part.

    Rifle specs:

    Here's the full specs:

    Upper:
    - MEGA Arms billet upper
    - Rainier Arms UltraMatch 18" Stainless SPR barrel
    - AAC M4-2000 Suppressor
    - Geissele 15" SMR Mk2 rail
    - Syrac Ordnance GenII adjustable gas block
    - BCM BCG
    - AAC muzzle brake
    - Vortex Viper PST 6-24x50 scope
    - American Defense Recon scope mount
    - BCM Gunfighter charging handle (Large latch)
    - Harris bi-pod on an American Defense QD mount w/ spiked feet

    Lower:
    - MEGA Arms Ambi billet lower
    - Geissele Hi-Speed National Match trigger
    - Battle Arms Development selector
    - Forward Control Designs ABC/R bolt catch
    - Battle Arms Development magazine release
    - Magpul PRS stock
    - Accu-Shot BT12-QK monopod
    - Magpul K2+ grip
    - BCM Rifle extension
    - Sprinco 'Green' spring with standard rifle buffer

    Ammo:

    Hornady 75gr BTHP / 24.2gr IMR 4895 / New General Dynamics Brass / Magtech SR Primer / COL 2.240"

    2710 fps






    ETC (SW/AW), USN (1998-2008)
    CVN-65, USS Enterprise

  5. #115
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    Yup I think its safe to say Mr. colter destroyed the majority of those bulls eyes. Thanks for that load data also. I know I got a pound of that somewhere, will try it out soon

  6. #116
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    Quote Originally Posted by CrazyIrishman View Post
    Yup I think its safe to say Mr. colter destroyed the majority of those bulls eyes. Thanks for that load data also. I know I got a pound of that somewhere, will try it out soon
    FYI, 24.2gr of Varget yields nearly identical results in both velocity and accuracy with the added benefit of being more temperature stable.

  7. #117
    Join Date
    Aug 2009
    Location
    Upstate SC
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    Nice shooting thecolter. Very nice!


    You guys do realize that the esteemed judge and score keeper of this challenge has been banned right?
    Scoby


    “Laws that forbid the carrying of arms disarm only those who are neither inclined nor determined to commit crimes. Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.”Thomas Jefferson, quoting 18th century criminologist Cesare Beccaria in “On Crimes and Punishment”, 1764

  8. #118
    Join Date
    Sep 2010
    Location
    Cleveland, Ohio
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    That's ok, I wanted to give it a shot anyhow

  9. #119
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    Pittsburgh
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    Wow. I think that's the best shooting I've ever seen with a semi auto Excellent job!!! When/if you run your gun unsupressed, are you restricting any gas with that syrac or do you run it wide open? I'm on the fence about getting one of those gasblocks. I want onebut I'm not sure ifi really need one.

  10. #120
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    Indiana
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    Quote Originally Posted by Dirtyboy333 View Post
    Wow. I think that's the best shooting I've ever seen with a semi auto Excellent job!!! When/if you run your gun unsupressed, are you restricting any gas with that syrac or do you run it wide open? I'm on the fence about getting one of those gasblocks. I want onebut I'm not sure ifi really need one.

    Thanks! It took awhile to let everything cool down between groups. They started opening up when everything warms up on the two previous attempts. Now, this was with ammo I spent entirely too much time loading to make sure everything was as consistent as it could be (something I usually don't do). My normal mixed brass loads will yield around .5 - .75 MOA when I'm really trying.

    I do adjust the Syrac when shooting with the can on. I want to say I go in four clicks. You really don't need to with an 18" rifle gassed barrel, but adjusting the gas does make it ridiculously soft shooting and keeps the gas down that normally comes back at you.

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