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Just Right Carbine (JR Carbine) review

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  • steve_77
    Junior Member
    • Feb 2006
    • 56

    Just Right Carbine (JR Carbine) review

    I have an interest in journalism this is my first attempt at such, please be kind of my review for the ‘Just Right Carbine’ (JRC).

    So I had a chance to look over a "Just Right Carbine" ( a.k.a. JR Carbine) yesterday courtesy of the EMF Company, in Santa Ana, CA. Overall I was pleasantly surprised by the balance, rigid construction, and simplicity of the 9mm blowback carbine made by JR Carbines LLC out of New York .

    Apparently a " California version" will be available soon, and it appears that although a standard “bullet button” could address legal issues – there is still some confusion as to such an approach would actually work on the rifle given the differences with the standard AR magwell as opposed to the modular magwell employed on the ‘Just Right Carbine’ (JRC). Regardless there seemed to be a dispute over licensing of said ‘button’ / magazine locking technology to which I was told they had to resort to developing their own locking magazine system.

    Personally I thought that although the rile seemed to be pretty well balanced, that the 6.6 pound rifle was rather heavy for such a rifle without optics or any form of built in iron sights for that matter. Even with the triangular barrel to cut down on weight, I noted that the receiver and aluminum trigger guard was pretty thick in some areas as was the Glock modular magwell, and looked like both areas could be thinned out to lighten up the rifle. Overall it looked and felt nice but I feel that most people interested in such a rifle are looking more for a physically lighter platform (perhaps more barrel fluting might be in order). Granted the JRC is somewhat lightweight at 6.6 lbs compared to any varmint/long range hunting rifle, or stock service rifle - save the time tested M1 carbine at 5.1lbs, which I must note at least has iron sights. It would seem that just based on its functionality, as a short-range brush/plinker/defense firearm the JRC is not really that “light”. I was also not too particularly drawn to the quad rails setup (sorry to all the people who like to have all them accessories including the cappuccino machine mounted on their upper), but was assured that the firearm is compatible with all AR furniture - which in turn might assist persons with concerns over issues with weight.

    Although I didn’t get to fire the rifle I was told it was quite accurate and has ‘made the rounds’ with various agencies, associations, and other folk for testing. But I suppose the most exciting revelation about the firearm is in the barrel/caliber options; it seems a .45 and .40 cal version are also in the works (as opposed the standard 9mm I was fortunate enough to be able to look at), there was also talk of a 10mm (seems like they are still gauging interest on that one). Although I was assured that the caliber conversions were as mundane as a barrel change, due to the lack of other barrels at the shop I was unable to see how the barrel is swapped in and out as in the case of a caliber conversion, but was able to see that the magwell was modular in nature, so I’m sure we can expect a great deal of options should this rifle take off.

    The rifle is billed as being the only true ambidextrous AR type carbine on the market today, with the operator simply having to move the extractor & bolt handle from the right side to the left side of the bolt, and uses standard AR-15 fire control parts.

    At the moment they are really targeting (and for good reason) the Glock family first, with future magwell adapter kits avail for Beretta, Sig, XD and S&W coming , I was personally hoping for some Ruger P95, and CZ 75 magwell options, but who knows what the future will hold. I’m sure though that once these rifles start hitting mainstream stores and dealers, more options will be available in terms of magwell and caliber options.

    But the guys at JR Carbines and EMF definitely seem to be on to something here and it looks like a real game changer for those looking at carbine options. Olympic makes stuff as does a few other smaller companies, Ruger PC 9’s and Marlin’s Camp 9’s are hard to come by and certainly not as configurable. The AR15 uppers in pistol calibers seem to get a mixed bag of reviews from requiring special lowers, special magazines, buffers, adapter blocks, with come being too “piece-mealed” together to be reliable. The initial version of the JR Carbine is available now; the second generation of the JRC rifles should be coming out by the end of the year in limited supply. Interested parties should contact EMF and inquire about initial availability of the new rifle.

    pics here:





    FYI: i dont have an interest in either company just thought other might be interested - ive been dreaming about a 10mm carbine that takes glock mags for some time now and thought id spread the news.
    Last edited by steve_77; 08-09-2010, 1:08 PM. Reason: Incorporated ("Corrections" in subsequent post)
  • #2
    unusedusername
    Veteran Member
    • Sep 2008
    • 4124

    Your pictures redirect to here.

    Here is the stock photo off their website:

    Comment

    • #3
      steve_77
      Junior Member
      • Feb 2006
      • 56

      http://www.angelfire.com/linux/strange/temp/jrc1.jpg) into a browser instead of clicking on them - they do work, but they are real big, and not super clear (taken with my phone).
      Last edited by steve_77; 08-09-2010, 1:12 PM. Reason: explanation of corrections

      Comment

      • #4
        gadjeep
        Senior Member
        • May 2009
        • 1942

        Interesting looking carbine. Will definitely keep this on my radar.
        STUFF I HAVE FOR SALE! SCOPE RINGS, Man CAVE FRIDGE, ETC
        http://www.calguns.net/calgunforum/s...30#post7299330
        http://www.calguns.net/calgunforum/s...d.php?t=487541

        STUFF I WANT TO BUY! Glock 20, Marlin model 39

        Comment

        • #5
          Can'thavenuthingood
          C3 Leader
          CGN Contributor - Lifetime
          • Oct 2005
          • 5246

          California legal.

          I fondled this last Friday night at DC Arms in Lemoore, very nice.


          It has reversible eject, left or right side as is the bolt.
          Comes in 9mm, .40 and .45ACP, would be good to team up same calibers with pistol. Along the lines of the Marlin Camp 9 & 45 for lighter packing.

          EDIT: This carbine comes with the bullet button and the 'tool' to utilize it.

          Seems its around $800 or thereabouts, he has them available now.

          Get your while supplies last
          No website but go here http://www.manta.com/c/mm8rx3j/dc-ar...ms-accessories for contact info.
          DC Arms has started and been co-ordinating/sponsoring the Friends of the NRA Dinners here in Lemoore for the last 2 years.


          Vick
          Last edited by Can'thavenuthingood; 10-23-2010, 12:12 PM. Reason: Add Bullet button
          sigpic

          "Nobody ever defended anything successfully, there is only attack and attack and attack some more." (George Patton)

          Picnic Time

          Comment

          • #6
            hfk
            Junior Member
            • Oct 2010
            • 2

            I just put 400 rounds through mine (9mm) at the range here in Brea.

            - The good part of the review is that using a cheap red-glo dot
            it held consistent at under the size of a quarter at 50 ft.
            Many many rounds double tapping through existing holes.. Very very happy with the accuracy.

            - The bad part of the review is that I had at least one either FTF, or FTE each clip.
            I figured out that I had to support the bottom of the glock mag and then
            I had to hold the mag just so in order to get it to feed reliably. The first 300 rounds
            were the worst.. The last 100 rounds the gun seemed to settle down with
            less occurrence but still had issues. There seems to be way to much play in the
            glock clip housing and the clearances in the upper. Several times I had to stop and
            use a screwdriver to hold the bullet up in order for the round to feed correctly.
            Had several occurences with a round in the barrel, with a jam in the upper and an
            expended casing still stuck in the upper. One Glock mag was worse than the other.

            - Will clean it up and go again to see if the problems persist.

            - hfk
            Last edited by hfk; 10-24-2010, 10:09 PM.

            Comment

            • #7
              Octane
              Junior Member
              • Mar 2009
              • 85

              HFK - I'm interested in a follow- up from you to see if cleaning/breaking-in the gun improved the feeding reliability.

              -B

              Comment

              • #8
                Cyc Wid It
                Veteran Member
                • Mar 2009
                • 4485

                $800? Jeez.
                WTS all BNIB: Colt S70 Repro, HK45c, Gen4 G19

                Comment

                • #9
                  hfk
                  Junior Member
                  • Oct 2010
                  • 2

                  The good folks at EMF, the local distributor, indicated that the orginal design was built against a clip that was now out of tolerance with later clips. They replaced the barrel, slide, mag-well and an internal stock part. They then put several clips of ammo successfully through the gun including the orginal clip and the one I bought.. With that new found confidence I went to the range.. 100 rounds using both clips with no issues. The gun will do a nickel all day long without hesitation.. I am thankful to EMF and I am VERY happy with the results. LOTS of fun to shoot and you can trick it out for little.

                  - hfk

                  Comment

                  • #10
                    Dion
                    Senior Member
                    • Feb 2011
                    • 818

                    Hello all,

                    Just wondering how the rifle is performing today. I was the gun shop yesterday and they have CA legal JR 9mm carbines for $895. I am VERY interested because I want a rifle that uses the same caliber as my SD pistol. Thanks in advance!
                    www.dionridesbikes.com

                    Comment

                    • #11
                      gozuki
                      Senior Member
                      • Jun 2007
                      • 644

                      Originally posted by Dion
                      Hello all,

                      Just wondering how the rifle is performing today. I was the gun shop yesterday and they have CA legal JR 9mm carbines for $895. I am VERY interested because I want a rifle that uses the same caliber as my SD pistol. Thanks in advance!
                      Check out the Kel tec Sub2000...

                      Comment

                      • #12
                        dfletcher
                        I need a LIFE!!
                        • Dec 2006
                        • 14787

                        A friend bought one and I fiddled with it a bit, took it apart. Couple of things.

                        The stock trigger pull is beyond terrible. The standard AR parts can be stoned, I put a RRA 2 stage in it for $89.00. Works great. Installing the AR standard BB is a little different than the usual drop in on an AR. The mag release post is threaded on each end, the tab has to be placed at one end of the screw and held in place. Hard to explain, a little confusing at first but easy to do.

                        There is a very thin, sheet metal "feed ramp" to guide bullets from the mag to the chamber. The ramp in this gun had its top rolled over a bit. It looks flimsy as heck, I don't see it lasting very long.

                        I shoot lefty, switching the gun from right to left is easy. Just remember to switch over the extractor otherwise the extracted empty will not eject (the ejector is part of the ejection port cover).

                        Cleaning the thing requires removal of the rifle's stock - not too crazy about that aspect of the gun and the blowback design does make it messy. Personally, for that much $$$ I'd just as soon get an AR 9mm upper & dedicated lower.
                        GOA Member & SAF Life Member

                        Comment

                        • #13
                          jismail
                          Junior Member
                          • Mar 2010
                          • 12

                          I just spoke to EMF directly regardign the 9mm version and they have said that the manufacture is no longer offering differnt magwell options and is, at least for the time being, staying with only Glock magazines as the only offering.

                          Comment

                          • #14
                            ElvenSoul
                            I need a LIFE!!
                            • Apr 2008
                            • 17431

                            You could allways sell it featureless!
                            sigpic

                            Comment

                            • #15
                              Hiryzah
                              Junior Member
                              • Aug 2011
                              • 5

                              Originally posted by hfk
                              I just put 400 rounds through mine (9mm) at the range here in Brea.

                              - The good part of the review is that using a cheap red-glo dot
                              it held consistent at under the size of a quarter at 50 ft.
                              Many many rounds double tapping through existing holes.. Very very happy with the accuracy.

                              - The bad part of the review is that I had at least one either FTF, or FTE each clip.
                              I figured out that I had to support the bottom of the glock mag and then
                              I had to hold the mag just so in order to get it to feed reliably. The first 300 rounds
                              were the worst.. The last 100 rounds the gun seemed to settle down with
                              less occurrence but still had issues. There seems to be way to much play in the
                              glock clip housing and the clearances in the upper. Several times I had to stop and
                              use a screwdriver to hold the bullet up in order for the round to feed correctly.
                              Had several occurences with a round in the barrel, with a jam in the upper and an
                              expended casing still stuck in the upper. One Glock mag was worse than the other.

                              - Will clean it up and go again to see if the problems persist.

                              - hfk
                              Whew I'm glad to see that I wasn't the only one that this was happening to.

                              I have the .45 version, I really like the gun and it is fun to shoot. Shot it for the first time yesterday and just was not expecting all the issues that it had.

                              Comment

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