MR6 vs. MR7

Home Forums General Archery Discussion MR6 vs. MR7

This topic contains 18 replies, has 9 contributors, and was last updated by  Kbrezlin 1 year, 3 months ago.

Viewing 15 posts - 1 through 15 (of 19 total)
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  • August 17, 2013 at 2:22 pm #590299 Back to Top REPORT

    Kbrezlin

    Joined: 5/30/2009
    I am thinking of switching to a 60 bow next year and was looking for opinions of the MR6 vs. MR7. Besides the obvious of 1 inch of brace height and 10 fps, is there much difference in the shootability of the bow, feel, etc? I have shot the MR7 and really like it but the dealer is telling me that there is not enough of the difference between the 2 to NOT get the MR6. Any info would be great. Thanks.
    August 17, 2013 at 10:11 pm #590364 Back to Top REPORT

    NDS

    Joined: 1/17/2013
    In theory, the MR7 with the extra inch of brace height, will be more forgiving.  However, I have an MR6 and shoot it better than I ever have any 7 inch brace height bow.  The reason for that is I have corrected a lot of form issues I had and am now drawing back 60lbs instead of trying to draw back too much with a 70 lb bow.

    If your form is correct, you will have no problem with the MR6.

    Just my thoughts.

    Nate

    August 17, 2013 at 11:02 pm #590372 Back to Top REPORT
    Either bow is an awesome bow! I also have a MR7 and I love it! I would shoot both if possible and let the bow choose. See which one feels better to you
    August 18, 2013 at 1:45 pm #590458 Back to Top REPORT

    Kbrezlin

    Joined: 5/30/2009
    Thanks. I guess I still have that mental hang up with dropping below 7 inches of brace height. Anybody Else?
    August 18, 2013 at 9:41 pm #590596 Back to Top REPORT
    hotshot
    Hotshot

    Age: 54
    Joined: 11/1/2008
    Location: Oregon
    Hi Kbrezlin….

    If your draw length is shorter than 30 inches the brace height wont play as much. The shorter your draw the less a brace height will be a issue.
    I looked at doing the exact move your doing. I went and shot the MR6 and MR7 side by side at the archery shop. My draw length is 29 inches. I think the brace height would effect me if it were to do so with these bows. It didnt. If I were to have bought one bow that day….it would have been the MR6. Main reason is they both shot the same to me…..the way the bow felt to me. So, why not go for a little more speed if all else is the same…right? One other point is that the MR6 is more “reflexed” in the riser than is the MR7 which is more toward “D-Flexed”. I am only pointing this out because as you are worried about the brace height…the riser should be a concern too. The MR7 with a 7 inch brace and more D-Flexed riser “should” be a more accurate….should be. My feeling is, if I were to hunt more with a Monster than say 3D shooting, I would get the MR6 and not look back. If I were to shoot year round 3D and hunt with this same bow I would get the MR7 because it “should” be a little more forgiving. Again, for me this was not true. Both had the arrows just as grouped at 20 yards for me.
    Let us know what you decide and how it works out for you….good luck!!

    {#emotions_dlg.mathews_monster_red}

    >>>>--Shoot Straight-->
    August 19, 2013 at 8:41 am #590641 Back to Top REPORT
    gjarcher
    gjarcher

    Age: 71
    Joined: 10/3/2006
    Location: Colorado
    View My Bows
    If your DL is short, I’d recommend the MR6 … it is accurate and you’ll be happier with the extra speed. If your DL is 29″ -30″, then you’d be equally happy with either the MR6 or MR7.

    The most accurate bows I have are a Prestige with 6″ BH and a Monster with 6″ BH. I have two ‘dogs’, one a PSE Brute with 8″ BH and the other a Hoyt SuperSlam with 9″ BH. Brace Height isn’t the Be-all End-all of determining a bows forgiveness and shootability. {#emotions_dlg.mathews_peace}

    August 19, 2013 at 4:16 pm #590788 Back to Top REPORT

    Kbrezlin

    Joined: 5/30/2009
    Thanks for the input. I shoot a 28.5 inch draw and I was really leaning to the MR6. I only hunt whitetails and I really don’t see the need to shoot any more than 60# anymore but I like to keep the arrow weight up around 425 to 430 grains and the speed around 270fps so I figured I could do it with that bow.
    August 19, 2013 at 5:27 pm #590797 Back to Top REPORT
    gjarcher
    gjarcher

    Age: 71
    Joined: 10/3/2006
    Location: Colorado
    View My Bows
    You should be able to get 285 fps with 430 grain arrow out of a 60/28.5 MR6.

    60# is plenty, and a lot more fun to shoot. With a 60/28 Monster I put a 492-gr arrow 270 fps completely though a 6×6 bull Elk, so I’d say it would be more than enough for Whitetail, even the Alberta Monsters.

    August 19, 2013 at 6:32 pm #590810 Back to Top REPORT
    topgun
    topgun

    Age: 24
    Joined: 8/9/2013
    Location: Texas
    I would give you a great deal of data on these two but some here don’t like detailed post apparently.
    I would put in it all that has been advised above and more. PM me for more information.
    There is one other issue I dont see posted, your shooting form.
    If your shooting form is not good you will suffer more from a low brace height.
    Causing a few raspberries on your wrist area. And you will hit clothing more. This is especially probmatic when hunting.
    Hitting your archery coat would ruin your opportunity and maybe cause a bad hit.
    Pull Shoot Score
    August 20, 2013 at 7:21 am #590936 Back to Top REPORT

    Kbrezlin

    Joined: 5/30/2009
    PM sent
    August 23, 2013 at 8:11 am #591525 Back to Top REPORT

    DougK

    Joined: 1/9/2009
    its an old fable that a shorter brace height affects the “forgiveness” of the bow.  In this case we are looking at 2 bows with the same cam system with a 1″ difference in brace.  The theory is the shorter the brace height the longer string on the bow and a shooter could affect the shot.  Now just how much-in milliseconds-is the arrow on the string between the MR7 and MR6?  It’s just not enough.

    I got an MR6 and had a Drenalin, and now a Creed.  I cant tell the difference.

    August 23, 2013 at 5:11 pm #591632 Back to Top REPORT
    gjarcher
    gjarcher

    Age: 71
    Joined: 10/3/2006
    Location: Colorado
    View My Bows

    …The theory is the shorter the brace height the longer string on the bow and a shooter could affect the shot…

    Doing a quick and dirty analysis:
    Both bows 28.5″ DL
    MR6 with 430 gr arrow = 285 fps
    MR7 with 430 gr arrow = 275 fps

    MR6 has a 20.75″ Powerstroke (1.7292′)
    MR7 has a 19.75″ Powerstroke (1.6458′)

    *assuming a linear acceleration from 0 to initial velocity, average velocity is:
    MR6 142.5 fps
    MR7 137.5 fps

    Time on the string is:
    MR6 1.7292/142.5 = 12.135 ms
    MR7 1.6458/137.5 = 11.970 ms

    Difference = .165 ms or .000165 seconds. Essentially, they are the same…too close to call without a 6000 frame per second camera.

    August 23, 2013 at 5:14 pm #591633 Back to Top REPORT
    socalmonster09
    socalmonster09

    Joined: 12/9/2010
    Location: CA
    Photo Gallery
    Like most have said shoot both and one will pick you. I shoot the MR5 because my draw is very short
    @ 25″ I have two of them one for shooting targets and the other for hunting to completely different
    setup I started with the Monster 6 with #60 & 25″ bought the MR6 to long at the shortest Mod.
    sold it and the rest is history I have no problems shooting out to 60 yards I would buy the MR6
    like gjarcher said great bow {#emotions_dlg.mathews_thumbs_up}
    MR5 Black #60 25"dl MR5 Camo #60 25"dl
    August 24, 2013 at 8:40 am #591721 Back to Top REPORT
    mathewsmac
    mathewsmac

    Joined: 7/3/2004
    Location: Ohio
    I’m presenting this in the form of a question…

    If the archer puts a 1″ overdraw on his MR7 would the performance be equal to a MR6 (w/o overdraw)?

    The Great Outdoors!
    August 24, 2013 at 9:34 am #591740 Back to Top REPORT
    gjarcher
    gjarcher

    Age: 71
    Joined: 10/3/2006
    Location: Colorado
    View My Bows

    If the archer puts a 1″ overdraw on his MR7 would the performance be equal to a MR6 (w/o overdraw)?

    No.
    First, putting an overdraw on doesn’t change the IBO rating of the bows and doesn’t change the IBO/Warranty requirement for a minimum of 5 grains of arrow weight for each pound of peak draw weight.

    While an overdraw doesn’t degrade bow performance/efficiency, it does make the bow more sensitive to bow hand torque. The farther away the arrow is supported from the Grip Pivot Point (throat of the grip) the lower the “forgiveness” … this goes for any rest.

Viewing 15 posts - 1 through 15 (of 19 total)