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Thread: Onza sight mounting question

  1. #1
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    Default Onza sight mounting question

    Have any of you other Onza owners noticed that your sight mounting bracket and your arrow rest bracket are not inline with each other? I have probably one of the first Onza 3 bows built and ever since I got it the sight bracket angles outward away from the riser. If you look down the edge of the riser it is no where near inline with the rest bracket. The bow shoots great but sometimes it just bugs the heck out of me is all. Tried tp load a picture but for some reason it won't attach. Will keep trying to get it uploaded.

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    Well answered my own question this morning. Took off my TruGlo micro adjust and put on a cheap TruGlo just now and it lines up fine. Seems the way my other sight is made it won't lay straight on the Onza riser with the extremely narrow sight mounting space. Now on to a new sight I guess.

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    Senior Member typically8's Avatar
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    I looked @ mine and don't see what you are talking about and we are using the same sight too I think, mine has the extension arm. I use felt on the brackets before attaching them, not sure if that is why I am not seeing it. Did you try flipping the bracket?
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    I'm shooting the micro adjust that has the 5 pins that get smaller and all green. It had a .29 at the top but is now a .19 with yellow for the 30 yard and red in the 50 yard pin. But the mounting holes and the grooves machined into the bracket just didn't seem to allow enough flat surface. I took it to our machine shop at work yesterday and fixed the problem. Pulled the head off sight and put bracket in the milling machine and flattened out backside of it smooth. Mounted sight back on bow and is now sitting straight and aligned with rest bracket. Just not enough flat surface on the bow riser and poor bracket on the sight in my opinion.

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    Senior Member elkslayer4x5's Avatar
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    How about a few pics to show us what you did?
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    i did the EXACT same thing! I've rectified the situation with a 1/8" block of aluminum between the riser and the sight. the counter sunk holes on the Tru-glo sights base is the culprit. they use the same base for right and left hand sights, so both sides are counter sunk. the countersink allows the sight to tighten down around the sight mounting holes, making the sight push away from the riser. drove me nuts until i figured it out!
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    Super Moderator bfisher's Avatar
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    Quote Originally Posted by 724wd View Post
    i did the EXACT same thing! I've rectified the situation with a 1/8" block of aluminum between the riser and the sight. the counter sunk holes on the Tru-glo sights base is the culprit. they use the same base for right and left hand sights, so both sides are counter sunk. the countersink allows the sight to tighten down around the sight mounting holes, making the sight push away from the riser. drove me nuts until i figured it out!
    Such a spacer is just what I was about to suggest.
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    I tried body washers that seem to bend then a piece of heavy plastic. Depending on how you anchor you can start getting your sight housing out to the end of the horizontal travel. So I just milled off the backside of the sight bracket and now sits square. They didn't allow enough flat on the side of the riser in my opinion. But hey it is square now and I feel better about it.

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    Super Moderator bfisher's Avatar
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    Quote Originally Posted by boothill View Post
    I tried body washers that seem to bend then a piece of heavy plastic. Depending on how you anchor you can start getting your sight housing out to the end of the horizontal travel. So I just milled off the backside of the sight bracket and now sits square. They didn't allow enough flat on the side of the riser in my opinion. But hey it is square now and I feel better about it.
    You're right. A larger flat surface might be just the ticket. Maybe they'll be reading these posts an take heed. It's little things like this that sometimes get overlooked in the overall design. That's where we come in. Guinea pigs.
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