Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!
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Thread: Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!

  1. #1
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    Default Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!

    Hey guys:

    This is a two part question/discussion. I've had them for some time, but never really pushed them into this arena. I've always utilized M24's for long range, buttttt... So here we go.

    1. I was told by a well known/respected firearms dealer (and no need to put his name out there) that you CAN NOT put a suppressor on an HK91 because it can't handle the back pressure. So.....I've never done it, because I value my face and I'm still learning.

    Is this true or no?

    2. I've been consistently shooting long range {i.e., 500yds, 850yds, 1000yds +etc.,} with a Remington M24 w/ S&B.
    I have an HK91 that I want to set up for my long range shooting. Currently I've set it up with a complete PSG1 trigger group/housing/lower etc., have a Harris bi-pod, but not sure how to configure it/railing yet.....any input here would be appreciated too.

    But here's the bigger #2 question.

    How do I mount my S&B scope to the HK91? I don't really want to use a Stanag because the height difference between the barrel and the scope. Unlike my M24, the 91 has a site tower. So guys....what are some<script id="gpt-impl-0.5825985156770839" src="http://partner.googleadservices.com/gpt/pubads_impl_104.js?eid=21060819"></script> better options to mount a S&B for shooting 200, 300, 850-1000+ yds? Or is using a HK91 unrealistic for this type of shooting? I mean the scope (right now) is worth more than the 91....anyway.

    Thanks in advance for any assistance!!!! And please.....no bashing.

    Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!-0721170858_hdr_resized.jpg Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!-0721170858a_resized.jpg Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!-0718172129_hdr_resized.jpg Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!-0719172054_hdr_resized.jpg

    What a clusterf&@k.....mods....can you fix these. Clearly I'm an incompetent twit.
    Attached Thumbnails Attached Thumbnails Long Range Shooting, set up questions with HK91 and suppressor questions....HELP!!!!-0721170858_hdr_resized.jpg  
    Last edited by Brad4065; 08-19-2017 at 11:40 AM.
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    Changing locking piece with suppressor should fix the over cycling issue... i can't recall which one. Someone smarter than me can chime in and tell us

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    Presuming that your S&B is 30mm, I would be using the HK one-piece 30mm mounts (SG1 mount), which can be had fairly reasonably. This is what I use on all my 91s and SR9T and TC. It is a very well-made mount (of course) and it just fits the rifle, function-wise and aesthetically.

    As for suppressing the 91, you don't see many and there is a reason for that. I have also heard of switching LPs, but I still understand it is problematic. There are a few threads over the years on that.

    BTW, you live in a gorgeous area!
    Last edited by veritas; 08-19-2017 at 12:26 PM.
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    I agree with @veritas that the one piece claw mount is the most solid mounting solution.

    However, as I have recently mentioned in my own thread. My S&B scope runs out of elevation at 400 yards when mounted to my SR9TC with this mount.

    Also, I would not call the HK91 a 1000 yard rifle.

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    Quote Originally Posted by MasterBlaster View Post
    I agree with @veritas that the one piece claw mount is the most solid mounting solution.

    However, as I have recently mentioned in my own thread. My S&B scope runs out of elevation at 400 yards when mounted to my SR9TC with this mount.

    Also, I would not call the HK91 a 1000 yard rifle.

    Sent from my Pixel XL using Tapatalk
    Thank you!!! Your set up looks identical to what I've done.

    Secondly, I think you inadvertently answered my question. I guess I was wondering if the 91 was a 1000+ rifle. The other part of your comments.......400 yds.....that's what I was worried about. I was hoping to find a mount more closely placed to the barrel so that they were more closely aligned.

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    Quote Originally Posted by veritas View Post
    Presuming that your S&B is 30mm, I would be using the HK one-piece 30mm mounts (SG1 mount), which can be had fairly reasonably. This is what I use on all my 91s and SR9T and TC. It is a very well-made mount (of course) and it just fits the rifle, function-wise and aesthetically.

    As for suppressing the 91, you don't see many and there is a reason for that. I have also heard of switching LPs, but I still understand it is problematic. There are a few threads over the years on that.

    BTW, you live in a gorgeous area!
    Veritas

    Thank you for that. I've never shot any of my 91's suppressed, well, because of what my FFL said. I don't think it was designed for suppressed use....oh well. I'll stick to my M24. It's scary accurate, and that S&B just helps to drive nails.

    Thank you for the complement. I love it out here....nearest neighbors are a ways off, and they're good people. You come up my mile long driveway.....you better have a purpose :-). Lots of Coyotes, which is why I like to be able to reach out and touch someone at 500, 800, 1000. They don't pay much attention to you at that range.

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    As a long range shooter who faithfully struggles with the .308 out to 1000yrds, the Hk91's 17.7" barrel and 1:11 twist might wander and go subsonic at the 700-800 yard range.

    My go-to round, the 175gr. Sierra Matchking, seems to shoot well in most guns, so give those a try.

    Also, modern semi-autos are just now beginning to hold their own at distance, the older ones will struggle. You have me interested in trying some of my reloads in my 91, though.

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    The HK91 is based on a battle rifle and the corresponding level of accuracy they are designed for. Will it hit things out to 1000yds...yes...possibly. However if your goal is tiny groups on paper then you should look somewhere else.

    The PSG1 with its much higher level of accuracy is a very different rifle then a run of the mill 91.

    Also the .308 is just barely a 1000yd round. While the Marines use it out to 1000yds, the Army Sniper Manual lists 800yds for it. Keeping in mind those distances are for VERY well trained shooters.
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    Thanks guys!!!!

    As previously stated......while I've owned the 91's for quite some time, I really haven't put them to the test. So your input, is GREATLY appreciated. AND I'm moving more toward your advice, that these were not meant for 1000+ yd shooters. I just LOVE that PSG1 trigger though, and had hoped this would have been "T HAT" gun.

    Oh well. What I will say is.......the M24, trigger, barrel and all....HK should study. While it's a heavy b#tch to carry.......it makes shooting 1000 yds as simple as you were shooting 25 yds. No JOKE. Anywho.......please continue input. I love to learn. Thanks again guys.

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    And just for clarification.......does anyone here shoot HK91 suppressed?

    I'm not new to suppressors, but I've never done anything over .223 or 9mm. ANY advice is GREATLY appreciated as I'm getting two .308's out of jail this week. Just a little nervous on this one.

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