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  • SFCRangerDoc
    Senior Member
    • Nov 2012
    • 829

    Range report

    So I was out in the sticks this weekend trying out a new muzzle device and a new to me lube technique. To set the stage I was using a bone stock M&P-15 except for the new brake.

    The brake I was testing this weekend was something that I found on Amazon for 25 bucks. Product title was AR-15 .223 1/2x28 Competition Short Muzzle Device Brake by GRG Manufacturing. I bought it figuring it was cheap enough to try and if I hated it i could sell it and get most of my $ back. I'll start by saying that I did not want one to "tame" ar recoil. I'm a plenty decent shot w/out any brake to begin with, but I wanted it for quick follow up shots. The brake is a 3 baffle with 2 drilled ports on the top to reduce muzzle climb as well. It is kind of a greyish black steel machined brake that is a tad on the heavy side, but not absurdly so. They could have taken a tad more care in cleaning up the machining edges, but that is my only complaint about it. As for shooting, All I can say is I am seriously impressed with its performance. I know there are over $100 name brand models that this obviously copies its looks from (which I have used before) and this one performs just as well as its JP Rifles counterpart. It definitely pushes a large blast wave to the sides and you get a decent fireball out the first port especially with the cheap russian ammo. It didn't seem to throw off my POI much, so that was a plus too. Allowed me to make very quick and precise doubletaps on the invading army of tree stumps and cans out in the woods. That being said, this is definitely a good brake for the money and hopefully amazon will start carrying them again. Last I checked they had pulled the listing from their website. All the reviews were positive though so it wasnt for lack of quality.



    The above url is the same brake, just not from amazon

    The other thing I was testing was the age old grease vs oil for AR's

    I normally run my AR wet with TRIFLOW and it works just fine but has to be re-applied often. This trip I tried something new. I stripped off the triflow and lightly coated all moving surfaces of my AR with hightemp wheel bearing grease (red color). After a couple hundred rounds of wolf and herters ammo I inspected, thinking i would find gritty reddish black grease. Much to my surprise it all looked almost as good as when I put it in. My AR ran buttery smooth and I can't see any reason to not keep using it to lube up my action. All I have done is run a bore snake down it and will let the grease sit in there for another couple of range sessions before wiping out and inspecting. It definitely helped cut down the clacking of the BCG, thats for sure, and as long as it stays nice and bright red I don't think it can hurt anything really.


    I will try to post up some pix of the brake here tomorrow for your viewing pleasure.

    Doc
    Last edited by SFCRangerDoc; 05-28-2013, 11:02 AM.
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  • #2
    SFCRangerDoc
    Senior Member
    • Nov 2012
    • 829

    Also, If any of you guys have any reasons to not use hi temp grease please let me know.
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    • #3
      MrOrange
      Senior Member
      • Aug 2006
      • 2262

      Thanks for the range test info, always good to hear from real world users as opposed to gun'riter types.

      I admit to being a cheap bastage but I can't imagine paying much over $50 for a muzzle brake myself, although I really don't want one that increases blast to the shooter, even to the side, given the real possibility of having to shoot indoors.

      I'd be worried about the grease gumming up the works, but it probably wouldn't be an issue for short matches if cleaned out & replaced every time.

      Ask yourself: What would Mr. Stoner do?
      I meant, it is my opinion that...






      I do believe that where there is a choice only between cowardice and violence
      I would advise violence. - M. Gandhi
      You're my kind of stupid. - M. Reynolds

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      • #4
        m16
        Veteran Member
        • Aug 2010
        • 2527

        I definitely would like to see a pic of that brake.

        I use Tetra gun grease in my pistols, but still use Slip 2000 EWL in my rifles.

        I don't really have a good reason as to why I don't use grease in both, haha.
        Marine Raider Foundation

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        • #5
          Just.a.guy
          Member
          • Dec 2012
          • 407

          I was with OP all morning, and that brake definitely has some thump to it. Standing 20 feet to the side, I could still feel hot air blow past me. Certainly not something I would want to shoot indoors, and it would not make friends at the range, but I cannot argue that it is effective.

          Comment

          • #6
            SFCRangerDoc
            Senior Member
            • Nov 2012
            • 829

            My thought behind the synthetic high temp grease is that seeing its meant for the hot, dirty hostile environment that is wheel bearings and hold up w/out gumming up, why not give it a shot :P I guess the worst thing it could do would be to hold onto grit and cause more wear than normal liquid lube. But then again I'm not really out slogging through sand and mud, ya know?

            I was with OP all morning, and that brake definitely has some thump to it. Standing 20 feet to the side, I could still feel hot air blow past me. Certainly not something I would want to shoot indoors, and it would not make friends at the range, but I cannot argue that it is effective.
            Yes, it was pretty epic no? It's quite the naildriver now. As for making friends...it might be nice to scare the tactilol crowd now and then with some thumpy thumpy :P
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            • #7
              asm_
              Senior Member
              • Feb 2013
              • 743

              I too switch from the standard gun oil to just plain automotive grease for all lube point between BCG and the upper receiver. However, instead of using the high-temp grease, I'm using EP Grease or also known as moly grease). It's the black stuff often used between parts where extreme pressure is expected. For example, CV shaft.

              After a day at the range, grease is still at all the points where I have applied. Where as gun oil would have dry up after only a dozen shots. I think I'm too going to stay with automotive grease for now.

              B

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              • #8
                SFCRangerDoc
                Senior Member
                • Nov 2012
                • 829

                Originally posted by asm_
                I too switch from the standard gun oil to just plain automotive grease for all lube point between BCG and the upper receiver. However, instead of using the high-temp grease, I'm using EP Grease or also known as moly grease). It's the black stuff often used between parts where extreme pressure is expected. For example, CV shaft.

                After a day at the range, grease is still at all the points where I have applied. Where as gun oil would have dry up after only a dozen shots. I think I'm too going to stay with automotive grease for now.

                B
                Good to know! I'd love to hear other thoughts on this as well! So far I'm not finding any reason not to use it.
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                • #9
                  SFCRangerDoc
                  Senior Member
                  • Nov 2012
                  • 829

                  Also, pix of the Brake for those intrested.









                  Not bad at all for $25
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                  • #10
                    BrassCase
                    CGN/CGSSA Contributor
                    CGN Contributor
                    • Dec 2011
                    • 3192

                    The only downside to grease other than the viscosity, which doesn't seem to be a problem, would be that grease will hold all of the contaminants and will eventually create a grinding compound. It sounds like you'll clean it before that happens.

                    Does the smoothness of the gun's action improve as it warms up?
                    I'd agree with you but then we'd both be wrong...
                    NRA Certified:

                    Chief Range Safety Officer
                    Instructor: Basic Pistol Shooting
                    Instructor: Personal Protection Inside the Home

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                    • #11
                      SFCRangerDoc
                      Senior Member
                      • Nov 2012
                      • 829

                      Originally posted by BrassCase
                      Does the smoothness of the gun's action improve as it warms up?
                      Maybe a little bit? It was already pretty slick with this new synthetic grease, but I do think it did get a bit smoother as I shot it. It definitely stayed nice and quiet the entire time. The grease helped quiet down the clacking sound of the BCG going back and forth
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                      • #12
                        TheExiled
                        Veteran Member
                        • Jan 2012
                        • 2933

                        I had thought about purchasing one of those for one of my rifles since I love the JP version so much on one of mine already, but ended up getting a PWS brake instead. Looks like I wouldn't have been disappointed.

                        And I'm usually not at the range to make friends with my muzzle blast - if it bothers someone, they're into the wrong hobby lol
                        Greater love has no one than this: to lay down one's life for one's friends

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                        • #13
                          SFCRangerDoc
                          Senior Member
                          • Nov 2012
                          • 829

                          Originally posted by TheExiled
                          I had thought about purchasing one of those for one of my rifles since I love the JP version so much on one of mine already, but ended up getting a PWS brake instead. Looks like I wouldn't have been disappointed.

                          And I'm usually not at the range to make friends with my muzzle blast - if it bothers someone, they're into the wrong hobby lol
                          Yeah, I'm not usually there to make friends either :P And yes, you wouldn't have been disappointed with the performance of this brake. Sure it's not quite as "pretty" as others, but its super effective. Even my friend's 7 year old shot my AR with it on and had great success with it. The blast wasnt too loud and he was able to control the weapon perfectly.

                          here's a pic of the muzzle blast :P

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