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AR-9 Build

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  • Bisley
    Member
    • Oct 2018
    • 196

    AR-9 Build

    After purchasing my first 9mm pistol in May I decided to put together a rifle as well. I had read up a LOT before ever doing anything, and it really, really paid off.

    It started when I found a sale on uppers for $29. I decided to pair it up with a lightweight Foxtrot Mike FM Products) 16" barrel on sale for under $100. I didn't plan on finishing it for a while, yeah....right, but I found an $80 bolt carrier from a company that was moving and clearing them out. And the manufacturer was proven and well reviewed, so I couldn't resist. All I needed was the $10 muzzle protector and another ultralight super slim handguard for around $30 (I have a bunch of these and they look and perform flawlessly). After all the reading I had done I decided to start with an 8.5oz CAR buffer, which worked out great because I had an extra heavy one laying around from an old AR 308 build. I put on a spare Vortex red dot and this is how it came out.





    I built it featureless so I could use a 30 round Magpul with an Endomag conversion set up for 30 rounds. This setup has worked flawless from the first shot. And that goes for the Endomag conversion too. In fact, it shot so well stacking rounds on top of each other that I realized a red dot was not going to cut it. I wanted to use this gun to hunt with, not just ring steel or punch paper. So off came the red dot and on went a $70 Bushnell 1.5-4 scope and while the Endomag functioned great, it was just too inconvenient. Anybody who hunts knows that freedom mags are WAY overrated, so next up was the KAK conversion for the 10 round Colt mags. Now this is the only way to go for a hunting rig!










    I also decided to try some Maker 75gr bullets in it this weekend. I had read these light bullets do exceptionally well in carbines, are they were correct. This is my 100 yard target from Saturday with a 2" bull. (My mistake too, that should read 75gr, not 70gr)






    And after this I decided to take her out for for some work. It did exactly what I built it for. It is a super quiet, extremely light recoiling carbine with the 75gr bullets. That makes for a terrific truck/ATV gun.





  • #2
    Sparrow Dynamics
    Vendor/Retailer
    • Nov 2017
    • 1095

    Awesome! I’ve been itching to build a 9mm. Foxtrot Mikes stuff is good, and Paul, the owner is really nice too.
    Larry
    SparrowDynamics.com

    Official Discussion Thread (for now)

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    • #3
      sigstroker
      I need a LIFE!!
      • Jan 2009
      • 19645

      Mixing and matching parts is not a good idea though. There's no standard for 9mm AR's. OP got really lucky his worked.

      Comment

      • #4
        Bisley
        Member
        • Oct 2018
        • 196


        Quit itching and and start scratching lol. With the 115gr bullets it's not hard on you, but you definitely know it's there with the blowback system. With the 75gr bullets not only does it shoot excellent, but it feels like you're shooting a suppressed rifle. Very quiet and almost no recoil.

        To say I am impressed with FM Products is an understatement! I was going to go with a KAK barrel since I have had amazing success with their 458 SOCOM barrel, but I really didn't want a heavy barrel or gun. So happy I went with the lightweight Foxtrot barrel instead!

        Comment

        • #5
          Bisley
          Member
          • Oct 2018
          • 196

          Originally posted by sigstroker
          Mixing and matching parts is not a good idea though. There's no standard for 9mm AR's. OP got really lucky his worked.
          Luck has nothing to do with it, research has everything to do with it. Don't buy cheap products at bargain prices, you buy good, well known, often used, highly rated products and wait for the right time. You don't have to spend a small fortune, but with AR products so exorbitantly priced it is not hard to pay a respectable price for a good product on sale somewhere. The key is to wait, wait, wait, and then jump when you see it. And research, research, research.

          Comment

          • #6
            Bobbaka
            Junior Member
            • Nov 2018
            • 25

            Nice, which region was the hunt at?


            Sent from my iPhone using Tapatalk

            Comment

            • #7
              afteractionreport
              CGSSA Leader
              • Jun 2013
              • 2854

              Nice build...where did you go hunting?
              Kyle "Kenosha Kid" Rittenhouse did nothing wrong

              Comment

              • #8
                Bisley
                Member
                • Oct 2018
                • 196

                Comment

                • #9
                  enorbit3
                  Veteran Member
                  • Oct 2011
                  • 2654

                  Nice build!

                  I recently put together an ar9 as well. Haven’t been able to hit the range yet but i am really looking forward to taking it out and testing
                  LAPD CCW Timeline:
                  Application Sent/Rec'd - 10/11/22
                  Interview Scheduled - 2/20/22
                  Interview & Live Scan- 2/21/22
                  DOJ/FBI - 2/22/23
                  CCW Training - 2/25/23
                  Firearms - 3/1/23
                  LAPD CCW Approval Call - 3/20/23
                  CCW Permit Issued/picked up - 4/11/23

                  Comment

                  • #10
                    Bisley
                    Member
                    • Oct 2018
                    • 196

                    Thanks. You will love it!

                    If you're using a 16" barrel I would highly suggest starting with a 8.5oz buffer and the lightest bullets you can find if you plan on shooting at distance. At 25-50 yards it wasn't as noticable, but at 100 yards the difference between the 75gr bullets and the 115gr and up was groups compared to shotgun patterns. Exactly what I kept reading too before I built it. I don't know why, I just know what was happening.

                    Comment

                    • #11
                      BigPimping
                      CGN Contributor
                      • Feb 2010
                      • 21443

                      That's really nice. And I think you're really smart to build it now given today's worse than any political climate.
                      sigpic

                      PIMP stands for Positive Intellectual Motivated Person

                      When pimping begins, friendship ends.

                      Don't let your history be a mystery

                      Comment

                      • #12
                        Bisley
                        Member
                        • Oct 2018
                        • 196

                        Thank you sir. That was also part of my thinking too as I was building it.

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