12.5" SBR Finally Complete

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  • lead chucker
    Warrior
    • Sep 2014
    • 241

    12.5" SBR Finally Complete

    Well its been a long wait but I got my barrel, got it together and broke in. Here is the build.

    Lower
    Spikes (Form 1 SBR)
    Spikes LPK
    Trigger Hyperfire 3G
    Spikes buffer tube with JP tungsten SCS heavy spring
    Mission First minimalist stock
    Hogue pistol grip

    Upper
    Anderson upper
    Black Hole Weaponry 12.5" 264 LBC Type 2 chamber
    Underground Tactical bolt
    Rev-arms free float slim line keymod tube (mid-length)
    Syrac adjustable gas block Gen 2
    AAC Cyclone suppressor
    Weaver 3x10 scope in ADM QD mount







    The first groups while braking the barrel in.
    123gn amax over 31 gn CFE
    Velocity 2215fps


    This was with 90gn Speer TNT with 30.2gn of TAC
    Velocity was 2470fps


    Over all im very happy with how it turned out and shoots!
    I Cerakoted it myself.
  • lead chucker
    Warrior
    • Sep 2014
    • 241

    #2
    Then I saw this guy yesterday and got him at about 120 yrds with 90gn TNTs.

    Comment

    • NugginFutz
      Chieftain
      • Aug 2013
      • 2622

      #3
      Awesome build, lead chucker! (Or should I say "rock chucker"?)
      If it's true that we are here to help others, then what exactly are the others here for?

      Comment

      • Kikn
        Warrior
        • Nov 2011
        • 689

        #4
        Looks nice, and good shooter. Well done sir.

        Comment

        • badmoon692008
          Bloodstained
          • Mar 2015
          • 79

          #5
          I like the weathered look of the cerakote... well done

          Comment

          • lead chucker
            Warrior
            • Sep 2014
            • 241

            #6
            LOL... Thanks guys! I couldnt be happier with it. I see it becoming my favorite AR I own quickly. One thing I didn't mention was how light it is, I would like to get a little lighter scope for it in about a 10x and I have a Tbac ultra 7 coming for it. But even with that scope and the suppressor its pretty light feeling. Short and sweet.

            Comment

            • danm
              Warrior
              • Aug 2014
              • 498

              #7
              That looks and shoots great man... ENJOY!!!

              Comment

              • BluntForceTrauma
                Administrator
                • Feb 2011
                • 3898

                #8
                Very cool. And, if you wouldn't mind, save your chronograph data. Guys are always asking what to expect from a 12.5" 65G.
                :: 6.5 GRENDEL Deer and Targets :: 6mmARC Targets and Varmints and Deer :: 22 ARC Varmints and Targets

                :: I Drank the Water :: Revelation 21:6 ::

                Comment

                • am4966
                  Chieftain
                  • Jul 2014
                  • 1036

                  #9
                  How long is the rev arms rail? I love the look, im starting to like the looks of a 12.5" with a bigger scope. Then with a mini red dot depending on low end Mag level of scope.

                  Good job writing the build!
                  12.5" SBR Grendel - Need Barrel
                  Surge - Rugged Suppressor
                  Been a fan of the Grendel from the very beginning and haven't second guessed that choice one time.

                  Aim small, miss small!

                  Comment

                  • LRRPF52
                    Super Moderator
                    • Sep 2014
                    • 8600

                    #10
                    That's a great little project right there. Nice build all around. You're going to love the Ultra 7 TBAC.
                    NRA Basic, Pistol, Rifle, Shotgun, RSO

                    CCW, CQM, DM, Long Range Rifle Instructor

                    6.5 Grendel Reloading Handbooks & chamber brushes can be found here:

                    www.AR15buildbox.com

                    Comment

                    • lead chucker
                      Warrior
                      • Sep 2014
                      • 241

                      #11
                      Thanks guys! Iv been very impressed with the BHW barrel, the 264 chamber and the velocity from the length. I have no complaints at this point, I did bump the 123gn amax up to 31.5 gn of CFE to see what it would do and only got about 70 fps from it but the group opened up some, I think I could adjust the bullet depth for accuracy and will work on that but the 31gn grouped very well.

                      BFT I'll save all my data from the chrony and have more, I write everything down. I did chrony some 95gn vmaxs over 2500fps.

                      LRRPF52, Thanks. Yeah I can't wait to get my grimmy hands on the ultra 7! The SBR feels light with the heavy 24oz cyclone it should be super light with the ultra 7 hanging off the end.

                      Am4966 the rail is a mid length 9" rail. Here is a link. http://rev-arms.com. These guys are great to deal with, I fondled the rail at a local gun show. Then called and talked to them about it before buying one, was on the phone for an hour talking guns, they were more than helpful and a small business trying to grow.

                      Comment

                      • cory
                        Chieftain
                        • Jun 2012
                        • 2987

                        #12
                        That's a sweet little SBR Grendel!
                        "Those who sacrifice liberty for security, deserve neither." Benjamin Franklin

                        Comment

                        • am4966
                          Chieftain
                          • Jul 2014
                          • 1036

                          #13
                          I forgot to ask how does it sound with the can on? Is it hearing safe?
                          12.5" SBR Grendel - Need Barrel
                          Surge - Rugged Suppressor
                          Been a fan of the Grendel from the very beginning and haven't second guessed that choice one time.

                          Aim small, miss small!

                          Comment

                          • lead chucker
                            Warrior
                            • Sep 2014
                            • 241

                            #14
                            Originally posted by am4966 View Post
                            I forgot to ask how does it sound with the can on? Is it hearing safe?
                            Its a little loud but iv been shooting it without ear plugs. Its not bad and it stays much cleaner than my blkout suppressed.

                            Comment

                            • lead chucker
                              Warrior
                              • Sep 2014
                              • 241

                              #15
                              Got out and shoot more with it yesterday. I put about 60 rounds through it from 100 yards to 400 yards on paper and steel. I must say that this 12" barrel has totally impressed me and my friends. I checked my zero at 100 yards then hit the 200 and 300 yrd steel with ease first round hit. I then loaded 5 rounds in a mag and put 2 rounds on paper at 400 yards to see what it was doing at that range then shot steel. It took me 2.8 mil to hit at 400 yrds. Here is couple pics!


                              First 2 rounds on paper at 400 yards.



                              Here is 3 rounds on steel, the first 2 are dead Center at 400 yards.
                              Last edited by lead chucker; 05-25-2015, 09:32 PM.

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