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Thread: AR10/.308 AR Build knowledge thread.

  1. #251
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    AR10/.308 AR Build knowledge thread.

    Quote Originally Posted by daddyusmaximus View Post
    Finished product. I chose the 1-8 Primary Arms. I like the ACSS reticle. Have not put that money down on a can yet. Still can't seem to force myself to buy something I can't use for 8 to 10 months...

    Is that their SFP is FFP? Have you been able to try any holds at 300+m yet? If so how do the holds perform with the ammo youíre using?

    Nicely built 308 too! Good job bro!

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  2. #252
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    SFP. It's only had one range outing. I've done nothing yet but break it in, and zero it at the 50 yd range.

    The illumination isn't really daylight bright like my Aimpoint, but the reticle is etched on the glass, and is easy enough to pick up. It won't be quite as quick on CQB, as the red dot, but as quick, or quicker than the irons, plus give me the 8x. I do love the ACSS reticle, but I also wish the illumination was better in daylight. More time with it will tell if it stays on there or if I put my Comp M4s (from my SBR) on it and put this on another gun.
    You know what I like best about most people?

    Their dogs.

  3. #253
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    AR10/.308 AR Build knowledge thread.

    Quote Originally Posted by buffdriver View Post
    Great inputs, thank you.

    A couple of follow up questions:
    - I'm planning to build 18" length with rifle length gas tube. Is the Hanson BA worth the extra few dollars?
    - The option of a fluted barrels seems to be only a weight savings, no discernable heat dissipation. Thoughts?

    Thanks.
    I would agree with the weight savings all things being equal. I have Hanson barrels and they were ALL sub-MOA barrels. I went with that 18Ē heavy because it was a rifle gas barrel and based on experience for 16Ēand up I want. Rifle gas system. I did not go the BA Hanson route because I did not want a mid-length gas system, I wanted rifle gas so for me the Hanson wasnít an option since it only comes in mid-length.

    My next 308 will likely be a 16Ē barrel. Quandary is that I am fully sold on BA barrels but they donít make a 16Ē rifle gas so in all likelihood I will buy an 18Ē and send it to Marvin to cut down.

    ETA: fluting your barrel is NOT your only weight reduction option. Case In Point. A buddy dropped his CMMG MK3 with me for me to modernize. Compared to the original config I had some options to drop weight and I did so. However he had a heavy ass barrel on it. Think somewhere between a heavy profile and a bull barrel. I called Marvin Pitts and after a couple of rather long calls between the two of us, we settled on a ball mill. I wonít say that saved us 5 lbs but it definitely trimmed wright from the barrel, which in turn helped balance the weapon, which was a huge plus. Iíll post a couple of pics of Marvinís work. Heís an outstanding barrel Jedi Master.

    Just to give you an idea on shaving weight without affecting accuracy that the heavier profile barrel will give you.



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    Last edited by RobertTheTexan; 05-29-19 at 05:40.
    "Texas has yet to learn submission to any oppression, come from what source it may."

    - Sam Houston

  4. #254
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    Quote Originally Posted by officerX View Post


    Iíve read post #59 and a few others but not all 230+ so I might have missed the answer to this question: are the charging handles all the same?


    My iPhone XS Max is better than your android!
    You can run a 7.62 Raptor, a TacOps Sniper (send me a PM ref this charging handle, currently sold by LaRue Tactical as its pretty damn awesome.) basically you should be GTG running any 7.62 style CH. I have a mil spec one, a Wyndham which is similar to the Raptor and the TacOps Sniper if you want to try them & return. Vltor/BCM also makes a decent CH for 7.62 ARís. I ran all the CHís I mentioned on my LMT MWS which is in the Armalite pattern.


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    "Texas has yet to learn submission to any oppression, come from what source it may."

    - Sam Houston

  5. #255
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    Quote Originally Posted by officerX View Post
    I bought a DPMS bolt catch from Brownells but it didnít come with the spring and plunger. Do I just use a standard AR15 spring and plunger or are those parts AR308-specific as well?


    My iPhone XS Max is better than your android!
    The only thing you want to probably do is make sure you either have an extended mag catch lever or you get an extended mag catch button. Iíve done both and they equate to the same although I preferred the extended button from Forward Controls. The rest of the LPK is the same except (typically)the takedown and pivot pins. I see you have a Cross Armory lower - so check with them if you need those extended pivot and takedowns. Pins are the same except the takedown detent normally is next to the selector switch detent. I normally drill out a divot in the pistol grip just for the takedown detent since itís not installed in front of the end plate on AR-10ís.


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    "Texas has yet to learn submission to any oppression, come from what source it may."

    - Sam Houston

  6. #256
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    Quote Originally Posted by daddyusmaximus View Post
    What BCG would you good people recommend to work well with a BA Hanson .308 barrel? I've read great things about the Lantec enhanced BCG, but I've read a few things where the bolt doesn't headspace right sometimes with a BA barrel, but I love the features of the carrier. It's going in an Aero upper.
    BA BCG or LMT 308 BCG.


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    "Texas has yet to learn submission to any oppression, come from what source it may."

    - Sam Houston

  7. #257
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    Nice 308 build

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