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Thread: RMR 69 gr OTMs

  1. #291
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    RMR 69 gr OTMs

    Quote Originally Posted by MarshallDodge View Post
    Thanks for the feedback, guys.

    I really like N140. Some of my best groups with the 77 SMK are with that powder.

    N133 is what I am shooting behind the RMR 75s. It's on the fast side for that heavy of a bullet but I am hoping it does well in the 11-16" barrels. One of the shooters at the local range swears by it in his AR.
    I found this place online last night. Iíve never bought from them but may stop off on my next trip to see my daughter in SavannaÖ

    https://www.whiddengunworks.com/prod...un-powder-8lb/

    $273 makes it $35 /lb before shipping and hazmat.

    With shipping ($22) and hazmat ($23.50) brings it to $318.50 which is under $40 /lbs delivered to South Central TX


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    Last edited by BuzzinSATX; 04-21-24 at 08:30.

  2. #292
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    That's a good price and Whidden is legit. I have a set of their 6x47 Lapua dies.

    I think I paid $28 pound for my 8lb jug of N140. Wish I had bought 2 or 3 jugs.

  3. #293
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    While it is too soon to post anything positive, what I have been seeing is groups of 4 with 1 darn major flyer. I've tried TAc, Benchmark, and XBR, and run some tight spreads with powder charges. So I'm not yet a fan, but for blaster bullets they are ok. Further testing to follow.
    Patriotism is supporting your country all the time, and your government when it deserves it. Mark Twain
    Read more at: https://www.brainyquote.com/quotes/mark_twain_386139

  4. #294
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    Quote Originally Posted by 308sako View Post
    While it is too soon to post anything positive, what I have been seeing is groups of 4 with 1 darn major flyer. I've tried TAc, Benchmark, and XBR, and run some tight spreads with powder charges. So I'm not yet a fan, but for blaster bullets they are ok. Further testing to follow.
    They are somewhat of a blaster bullet with medium range capabilities. I figure if you miss at 500 yards, just squeeze another one off.
    "What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v

  5. #295
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    Any of yíall launching these with Sta-Ball Match yet?
    RLTW

    ďWhatís NewĒ button, but without GD: https://www.m4carbine.net/search.php...new&exclude=60 , courtesy of ST911.

    Disclosure: I am affiliated PRN with a tactical training center, but I speak only for myself. I have no idea what we sell, other than CLP and training. I receive no income from sale of hard goods.

  6. #296
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    Quote Originally Posted by 1168 View Post
    Any of yíall launching these with Sta-Ball Match yet?
    I haven't even seen Staball Match yet, only heard about it.

    Powders I have tried-

    TAC worked best, but only marginally, and I did the most load development due to it being the most plentiful at the time.
    8208XBR
    N133
    N540
    IMR4320
    SMP735 surplus powder. SMP= St Marks Powder, who also makes the Staball powders. Burn rate is closer to H322.

    Powder choice typically won't take a 1 MOA bullet and shrink it to a 1/2 MOA bullet, but I was curious if the issue was my rifle or the bullet. In one of my rifles the 69 3GH averages 3/4 MOA while the other is about 1.5 MOA.
    Last edited by MarshallDodge; 04-26-24 at 09:39.

  7. #297
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    Iíve got a pound of it that I picked up locally. I didnít even consider that itís new, so load data is scarce. Iíve got other powders that could work with 69s, just looking for an excuse to fall in love with Sta Ball Match. If that powder is as advertised, it would be perfect for shooting to 600yds off a progressive with a regular AR, which happens to be what this bullet seems well-suited for.

  8. #298
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    Quote Originally Posted by 1168 View Post
    I’ve got a pound of it that I picked up locally. I didn’t even consider that it’s new, so load data is scarce. I’ve got other powders that could work with 69s, just looking for an excuse to fall in love with Sta Ball Match. If that powder is as advertised, it would be perfect for shooting to 600yds off a progressive with a regular AR, which happens to be what this bullet seems well-suited for.
    I load small kernal extruded powders on my 550b all the time. IMR is an absolute no go. But XBR, H322, and N135 all work good.

    To take on a new powder, I'd have to get at least 8 lbs. I won't pour effort into 1 lb at a time. By the time you wring it out, you have to start all over with a new lot.
    "What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v

  9. #299
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    Quote Originally Posted by 1168 View Post
    Iíve got a pound of it that I picked up locally. I didnít even consider that itís new, so load data is scarce. Iíve got other powders that could work with 69s, just looking for an excuse to fall in love with Sta Ball Match. If that powder is as advertised, it would be perfect for shooting to 600yds off a progressive with a regular AR, which happens to be what this bullet seems well-suited for.
    Sounds like a plan. I'm really curious about it, being made here in the US, which helps eliminate some of the unknown supply issues of the foreign made powders.
    Last edited by MarshallDodge; 04-28-24 at 14:59.

  10. #300
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    RMR 69 gr OTMs

    RMR 75 grain range results included below:

    Finally got a good afternoon to get to my range and re-zero my ARís I used in a recent carbine class last month. This is after modding my 12 year old DD V2.

    The two ARís are a DDV2 with new DD 16Ē barrel, Aimpoint Pro, and CMC trigger. Second is a SOLGW complete lower with ALG ACT trigger, Burris 1-6 on a BCM 16Ē upper. Both barrels are stock, cold hammer forged. Shooting was done off bag rests. I am NOT a good bench shooter.






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    Last edited by BuzzinSATX; 05-08-24 at 22:12.

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