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Thread: 1 lower, 2 uppers

  1. #11
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    Quote Originally Posted by rstang99 View Post
    It's the nature of this site. These guys tend to be oriented towards CQB and police tactics. If you are into hunting or sharp shooting then a scope is up your alley, but there are not a ton of people on this site into that aspect of AR shooting. In theory the longer the barrel the more accurate. Stainless tends to be the most accurate with the shortest useful life. Chroming prolongs barrel life at the cost of accuracy. And there are a bunch of other things to consider but not get hung up on. I do know I was more accurate with a true M16A1 than I am with a 16" M4 but I was also a lot younger when I was shooting it. There are 20" match barrels out there if you want one just to shoot the tightest group possible. As far as brand goes just choose a quality brand and you will be fine. They all make short and long barrels. There are not too many truly bad brands around these days like ten or twelve years ago.
    Longer barrel means higher velocity, not necessarily better accuracy.

    Quote Originally Posted by rstang99 View Post
    He means long range shooting.
    And I know he means "long range" shooting. My question still stands. Some brands like DPMS and Bushy offer "optics ready" models that just have a flat top and low pro gas block but doesn't necessarily mean anything about extending range or accuracy.

    OP - as Warp said, more specific. How far are you looking to shoot and what would you consider to be accurate?
    Last edited by Wake27; 02-17-13 at 18:35.
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  2. #12
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    Quote Originally Posted by Warp View Post
    Just get some nice quick release mounts that will hold zero for those optics and switch back and forth. Something QR from LaRue Tactical would fit the bill nicely, for example.
    +1.

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  3. #13
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    I had a single lower and two complete uppers (Each had own BCG, CH, ect) one set up for 0-200 the other for 200 and beyond, at one point. Worked well, same trigger, and everything and all that. However, two complete uppers and a single lower in my experience ends up breeding two rifles as another lower isn't, or at least wasn't that much, and dedicated set ups are nice.

  4. #14
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    1 lower, 2 uppers

    Quote Originally Posted by Atlshaun View Post
    Find a dedicated bcg for each upper
    This, but at a minimum use a different bolt for each.

  5. #15
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    Quote Originally Posted by rstang99 View Post
    ...the longer the barrel the more accurate.
    Barrel length does not affect accuracy

    Stainless tends to be the most accurate with the shortest useful life.
    No. The quality of the barrel determines accuracy. A stainless steel barrel isn't more accurate than a chromoly or chromoly vanadium barrel. In fact, some benchrest shooters feel a CM or CMV barrel is more accurate than a barrel made of stainless. But the SS barrel holds it's accuracy for a greater number of shots. A CM or CMV barrel loses accuracy slowly but steadily. A SS barrel holds it's accuracy longer, but when does lose accuracy, it's sudden.

    cthompson36, Warp gave you the best advice. Stay with a single upper for now and use quick release mounts to switch optics. Use the money saved to buy ammo & shoot. A 16" barrel gives an AR plenty of reach. This weekend, I tried a long range AR a friend built, equipped with a high magnification scope & 16" barrel and easily made shots out to 500 yards on rocks about the size of 55 gallon drums. In fact, I was able to hit the same rocks using a 16" carbine with just a 4 minute red dot and steel cased ammo.

    If you are going to only shoot 200 rounds a year, you will see no benefit from a second upper no matter how suited it is for long range shooting. Buy ammo instead and shoot more with what you've got.

    Ammo before accessories. Shoot before modifying. You'll be a better rifleman and soon learn if it's worth going to a better barrel
    Last edited by MistWolf; 02-17-13 at 21:46.
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  6. #16
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    I'll look into nicer mounts. If the price isn't a whole lot different I might just use it as another excuse to get a BCM but by saying more geared to a scope I mean a more precise upper, with things like heavy barrel, probably stainless, flattop, etc. Thanks for the advice guys, guess I need to do some more homework on this.

    Would something like this:
    http://www.bravocompanyusa.com/BCM-S...16%20ss410.htm
    and maybe a magpul handguard work? and would the FSB interfere with the scope?
    Last edited by cthompson36; 02-17-13 at 21:57. Reason: adding link

  7. #17
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    Quote Originally Posted by cthompson36 View Post
    I'll look into nicer mounts. If the price isn't a whole lot different I might just use it as another excuse to get a BCM but by saying more geared to a scope I mean a more precise upper, with things like heavy barrel, probably stainless, flattop, etc. Thanks for the advice guys, guess I need to do some more homework on this.

    Would something like this:
    http://www.bravocompanyusa.com/BCM-S...16%20ss410.htm
    and maybe a magpul handguard work? and would the FSB interfere with the scope?
    I would think so (to the interference). Also, the MOE is not a free float rail. If you want something for distance, you'll want FF. What distances are you looking at?
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  8. #18
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    I totally spaced that thsoe aren't free floated. I guess I'll get a freefloat tube then. I'm looking at maybe up to 300 yards max

  9. #19
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    Quote Originally Posted by cthompson36 View Post
    I totally spaced that thsoe aren't free floated. I guess I'll get a freefloat tube then. I'm looking at maybe up to 300 yards max
    What kind of precision/MOA are you expecting? What ammo? Supported (bench rest, sand bags, bipod etc) or field positions?

    You mentioned a heavy barrel. What perceived advantage do you see from a heavy barrel?

    Flat top upper...are there any uppers out there you would ever even look twice at that aren't flat top?
    Last edited by Warp; 02-17-13 at 22:20.

  10. #20
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    I'm not expecting extreme precision. I use federal ammo mostly. I'm going to be using either a bipod or some sort of rest. I've heard that a heavy barrel is better for accuracy because it doesn't flex as much. Can I mount a scope on anything other than a flat top?

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