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3M's AR Builds

Discussion in 'Rifle Discussion' started by 3MTA3, Aug 30, 2014.

  1. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    My builds just completed today:

    Each rifle:
    Aero Precision Upper
    Black Hole Weaponry 16" carbine melonited stainless steel barrel with parabolic rifleing
    PWS SC556 flash hider/compensator
    Adams Arms carbine piston kit
    POF roller cam
    Samson Evolution 7 Ext rail
    Magpul RVG in Foliage Green
    Bravo Company VLTOR Ambi charge handle
    Vortex Spitfire 1x prismatic scope

    Aero Precision Lower
    ALG Defense Combat Trigger
    KNS anti roll pins in FDE
    Magpul Enhanced Trigger Guard
    Magpul BAD lever
    Magpul MIAD grip in FDE
    Spikes T2 Buffer
    Magpul ACS stock in FDE

    Samson rail, selector, bolt catch, mag release button, charge handle body Cerakoted FDE by SUR-TAC
    Receivers, barrel, compensator, buffer tube, backplate, castle nut, charge handle latches Cerakoted Foliage Green by SUR-TAC

    I plan to Cerakote the scopes Foliage Green as well. It doesn't look like it in the photos, but the Cerakote colors match the Magpul colors perfectly.

    These rifles are all business, if it's not needed it isn't there, so no lasers, flashlights, magnifiers, alternate optics, electric pasta forks, alarm clocks or swiss army knives

    upload_2014-8-30_19-19-36.jpeg

    upload_2014-8-30_19-20-12.jpeg

    upload_2014-8-30_19-45-42.jpeg
     
  2. blizzardscout2

    blizzardscout2 Snohomish Member

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    Nice job, they look great. Have you had a chance to run them yet?
     
  3. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    Thanks for the compliment. Total weight is 7 lbs, 5 oz, so they aren't lightweights but do weigh slightly less than the Ruger SR556 C and DPMS Recon. With the ACS stock, balance is in the mag well area, so it swings pretty well.

    I'd intended to go with an Aimpoint Pro red dot or Eotech, but when I went scope shopping I found that due to a combination of astigmatism and artifacts of Lasik all I saw were red blurs when I looked through them. I figured I'd be looking a low power tactical scope when the sales guy at Sportsmans Warehouse pulled out the Spitfire and another prismatic scope made by Leupold. What a difference - these prismatic scopes are really sharp. I finally went with the Spitfire because the concentric ring reticle just pulled my eye to the center. The only disadvantage compared to red dot or holographic is that you don't get infinite eye relief, but on the other hand the reticle is still there even if your batteries fail.

    I plan on taking them to the range next weekend and see how well they like M193 and M855. If they are good to go I'll start working up a defensive/hunting load based on the 64gr Nosler Bonded Performance.
     
    U201491 likes this.
  4. Will_Power

    Will_Power OR via OK Active Member

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    Nice looking build.

    Curious to know what the reasons for building two of the same rifle is.
     
  5. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    One for me, one for her. These are designed for CQB in the event of SHTF/WROL scenarios, so everything is designed for durability and low or easy maintenance. That's also why no gadgets, just purposeful utility.
     
    gryghin and U201491 like this.
  6. blizzardscout2

    blizzardscout2 Snohomish Member

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    I like it, you must have a cool wife. :)
     
  7. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    If she wasn't cool I wouldn't have married her, let alone build her a high quality AR. :D
     
    U201491 likes this.
  8. U201491

    U201491 Well-Known Member

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    Absolutely Beautiful and Happy to see you went to Piston Guns. Much cooler and cleaner than Impingement in my opinion.
    You essentially have SR556's for a whole lot less $$
    And the pride of a great build from the ground up.
    NICE JOB :D
     
  9. Certaindeaf

    Certaindeaf SE Portland Well-Known Member

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    Couldn't tell from the pics but no iron sights?
     
  10. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    Not yet... The Vortex Spitfire only has one drawback - eye relief is not unlimited like most red dot scopes. It really needs to be mounted as far back as you can. I've been mulling it over and finally decided when I get the iron sights I'll remove the Spitfire, sight them in, remove the rear sight, replace the Spitfire, then mount the rear sight ahead of the Spitfire. If I need the iron sights, I'll have to remove the scope and relocate them. I'd only need to do that, though if the Sprifire was broken. Even without batteries you still get a reticle, just not illuminated.

    The sights themselves will be determined by if I get or build an AR10 to augment things. If I go with the Ruger SR762, I'll buy Samson sights so they are all the same (The SR 762 comes with them). My favorite sight, though is the Precision Reflex sight that has the full HK style front. If I build I'll go that route.
     
  11. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    Thanks, the end result exceeded my expectations. Direct Impingement is still a very good choice and my original intent. One of the criteria for the rifle was easy cleaning and an adjustable gas block. When I priced out Nickle Boron bolt carriers and adjustable blocks, it wasn't a lot cheaper than I could get the Adams piston kit through Bud's. I finally went with the piston kit for easier cleaning and less wear on the BCG. I also like that I can shut it off entirely and turn the rifle effectively into a bolt action.
     
  12. blizzardscout2

    blizzardscout2 Snohomish Member

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    What is the additional cost with upgrading to piston and is it worth it if the rifle isn't fired very much? I have heard the main benefit would be if a suppressor were used which could lower the sound decibels when adjusted down.
     
  13. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    Cost of DI (for my application) - $295
    • $200 for a NIB BCG
    • $80 for an adjustable railed gas block
    • $15 for the gas tube

    Cost of Adams Piston kit - $320
    • $260 for the kit through Buds
    • $60 for a quality bolt
    In my application the cost difference was $25. If your application does not need NIB plating or an adjustable block, it would be closer to a $175 difference.

    The main benefits to me are keeping the heat and fouling away from the BCG and easier cleaning. If you aren't shooting them very often I would suggest you stick with DI and spend the cash you saved on ammo.
     
  14. blizzardscout2

    blizzardscout2 Snohomish Member

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    I was considering a 300 blackout build for a multi-purpose rifle for hunting deer and self defense. I thought it would be nice to use a suppressor for hunting and when taking it to the range. I have heard the Nickel plating makes a huge difference for cleaning too.
     
  15. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    300 AAC is an awesome round. If I wasn't building for SHTF/WROL scenarios that hopefully won't happen I'd have likely gone that route.

    On the other hand, the Ruger SR762 or DPMS Recon isn't much heavier than an AR and and are really good alternatives. My plans do call for one or the other to augment the ARs.
     
  16. blizzardscout2

    blizzardscout2 Snohomish Member

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    I have heard that I can do a change out of just the barrel on the AR 15 if I wanted to go with a 223 or 556 and use the blackout barrel for hunting without changing much else. I think maybe the BCG too?

    I will have to check out the Ruger
     
  17. 3MTA3

    3MTA3 DMZ between Liberty and Tyranny Behind Enemy Lines Bronze Supporter

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    Correct, you can switch between 556 and 300 AAC by switching uppers. I think the BCG is the same for both as the 300 AAC is a 556 necked up to 762. You can't do the same with most 762 uppers as they follow a different pattern, but you are now effective to 800 yards.
     
    Last edited: Sep 5, 2014
  18. Bigboblargerobert

    Bigboblargerobert Sweet Home New Member

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    It takes a special woman that would rather have an AR 15 over a new sense pot!
     
    3MTA3 likes this.