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Thread: Need custom gunsmithing for my Ruger SR 556

  1. #11
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    You do realize that with proper optics and ammo and assuming you know how to do your job you can reach out to at least 600M with a 16" barrel, correct?

    If not then the issue has little to do with the length of the barrel but the rifle itself and other factors.

    The money you will dump into trying to make it something it isn't will be very costly.

    Quote Originally Posted by capncraigagain View Post
    I bought a Ruger SR556 last spring. Relatively pleased with the action, recoil and no serious issues with it, other than I want to be able to exchange barrels on it.

    The stock 16 inch barrel is good for general shooting out to around 300 yards, but I want to change to a 20 inch barrel for longer range and accuracy. Ruger won't sell the SR 556VMT (20 inch. barrel) upper alone, or the barrel.

    So, its either throw down $2k for the SR 556 VMT or find a gunsmith that can build it for me.

    Anybody out there that has any good leads for me?

    Or is the best advice to unload the thing and buy a more customizable DI rifle.



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  2. #12
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    Its out there.

    Quote Originally Posted by Dunderway View Post
    What kind of accuracy are you getting at 300? How much further than that have you shot? What optics are you using? What ammo? What is your experience shooting at long ranges?

    If you really need a more accurate upper, I would wait out this current panic and buy a dedicated precision DI upper from a quality MFG instead of modifying a proprietary factory gun.

    ETA: let me know if I am missing something, but I was under the impression that the Ruger lower will accept any standard AR pattern upper?
    I'm averaging 8 inch groups at 300 yards using the m855 Green Tips on the SR556 with a Leupold Mark AR Mod 1 3-9 x 40mm scope.

    This is the longest distance that I've shot, ever. I'm not satisfied, though. I want to push it to my limit, progressively sharpening my skills as far as I can with a 5.56/.223.

    I know that I'm going to have to go for a higher power scope to go beyond the 300 yard line. I'm at my limit with this scope now.

    I'm also going to have to get a higher power, larger bore rifle after I reach the limits of the 5.56.

    Anyhow, the advice I'm getting from other forums are advising me to leave the SR 556 upper alone and get a complete, custom upper or whole rifle. That's probably the best choice.

    I've been told that the Ruger upper and lower are compatible with all the other AR's out there. It seems that the buying most lowers isn't much less than buying the complete rifle, unless the lower has significant upgrades to it.

    Its been 30 years since I've done any serious shooting, other than some training and annual qualifications while I served in the Navy. The Navy wasn't concerned with long range accuracy, just rudimentary proficiency out to 50 yards for shipboard security and defense with small arms.

    Today, its one of my few hobbies that could have practical applications.

    I like Dirty Harry's philosophy: A man must know his limitations.

    Anyhow, thanks for your questions and advice. I welcome all that is offered.

  3. #13
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    Sounds like an ammo issue to me, get some match grade Hornady, Sierra, Federal Premiums or Black Hills and let us know what that does.

  4. #14
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    I'm climbing the learning curve.

    Quote Originally Posted by Iraqgunz View Post
    You do realize that with proper optics and ammo and assuming you know how to do your job you can reach out to at least 600M with a 16" barrel, correct?

    If not then the issue has little to do with the length of the barrel but the rifle itself and other factors.

    The money you will dump into trying to make it something it isn't will be very costly.
    Thanks for that bit of knowledge. I'm learning as I climb the mountain.

    I'm limited to 300 yards at the local range I shoot at. I'm preparing to go to a range with longer distance shooting this spring. Thats why I'm exploring the issue now.

    So, what I've gathered so far is that it would be much wiser to buy a custom upper or complete rifle to meet my requirements. I'm also going to have to get a more powerful, long range rifle and some stronger optics.

    But thanks, I'm happy to receive all the wisdom that everyone is sharing here.

  5. #15
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    I'm actively exploring

    Quote Originally Posted by ryan View Post
    Sounds like an ammo issue to me, get some match grade Hornady, Sierra, Federal Premiums or Black Hills and let us know what that does.
    Yeah, I've been shooting with various rounds to see what works best under what circumstances. I use the M855's a lot because they are the cheap and readily available.

    Yeah, I could go for some Wolf or other cheaper ammo from questionable sources, but I hear that they have issues with corrosive primers and dirty propellants. I'm sticking with American.

    I'm looking into buying some reloading equipment to go that route, saving money and maximizing performance. For now, all my ammo comes off the shelf.

    I'm waiting for some Mk318 Mod 0 to arrive. I'm curious to see how that compares to the M855's.

    Anyhow, Thanks for the input. Sharing your experience is indispensable.

  6. #16
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    I'll echo Iraqgunz's comments. 16 inches of AR is plenty of barrel to get solid 700 yard hits.

    Shoot nice 69 or 77 SMKs or Noslers, etc. with and optic that allows you to see that far, and you're fine.
    "You people have too much time on your hands." - scottryan

  7. #17
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    Thanks for that, Markm.

    Quote Originally Posted by markm View Post
    I'll echo Iraqgunz's comments. 16 inches of AR is plenty of barrel to get solid 700 yard hits.

    Shoot nice 69 or 77 SMKs or Noslers, etc. with and optic that allows you to see that far, and you're fine.
    I'm working toward that as time and money allow.

    One thing I haven't done, but probably should try shooting other peoples rifles with longer barrels to see if they deliver the results I'm looking for.

    Thanks for the advice.

  8. #18
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    The other issue is that you are expecting way too much from bargain basement ammo. Not going to happen. Then there are variables such as glass, scope mounting, you, trigger, etc....all kinds of stuff.

    Quote Originally Posted by capncraigagain View Post
    Yeah, I've been shooting with various rounds to see what works best under what circumstances. I use the M855's a lot because they are the cheap and readily available.

    Yeah, I could go for some Wolf or other cheaper ammo from questionable sources, but I hear that they have issues with corrosive primers and dirty propellants. I'm sticking with American.

    I'm looking into buying some reloading equipment to go that route, saving money and maximizing performance. For now, all my ammo comes off the shelf.

    I'm waiting for some Mk318 Mod 0 to arrive. I'm curious to see how that compares to the M855's.

    Anyhow, Thanks for the input. Sharing your experience is indispensable.



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

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  9. #19
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    Longer barrels do not equate to more accuracy. What they do provide is more muzzle velocity. If myself and others can hit steel at 500 yards with an SBR you can hit it with yours assuming its not a turd.

    Quote Originally Posted by capncraigagain View Post
    I'm working toward that as time and money allow.

    One thing I haven't done, but probably should try shooting other peoples rifles with longer barrels to see if they deliver the results I'm looking for.

    Thanks for the advice.



    Owner/Instructor at Semper Paratus Arms

    Facebook: https://www.facebook.com/SemperParatusArms/

    Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/

    M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141

    Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com

  10. #20
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    Yep.. we've stretched a 12.5 out to 700 with 69 gr SMKs and an ACOG...
    "You people have too much time on your hands." - scottryan

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