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Zeroing issues POF P308 and Troy BUIS

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So I purchased the following BUIS for my POF P308 and have a zeroing issue.

-Troy Industries Front HK Folding BattleSight
-Troy Industries Rear Di-Optic Folding BattleSight

I installed both sights as per the Troy instructions and took my P308 to the range to zero the rifle at 50 yards. I had a spotter (ex-Marine) who was calling my shots and called the first 3 shots as bottom of the cardboard which was a good 24" below the bottom of my 16"x10" Shoot-N-C target. I also purchased the Troy sight adjustment tool so I cranked down the front sight about 3 notches then shot 3 more shots. Shot came up a little on the cardboard so I cranked the front sight post down until it wouldn't crank down any further then shot 3 more shots. My shots were in the duct tape that I used to tape the bottom of the Shoot-N-C target to the cardboard backer. I am now out of options because I have turned the front sight post down as far as it will go and I'm still a good 8"-10" below bulls eye. I had my spotter shoot the rifle who also agreed that the front sight post needs to go lower even though it's adjusted to its lowest position.

I am following the aiming instructions for the rear Di-Optic sight which says to put the top of the front sight post into the center of the rear diamond shaped sight hole. Now, If I put the top of the front sight post at the very top of the rear diamond shaped hole I am on the bulls eye. Also, the rear sight has a smaller half diamond sight that flips up for shooting at yardages between 200M-600M. If I use that I am also on bulls eye.

Why am I unable to get this front-rear Troy sight combination to zero at 50 yards? Any thoughts, suggestions? Is there a lower front folding sight that I should be using for my rifle?
 

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I had a POF and experienced the same problems, I was killing moles at a 100yds. Had borrowed a set of sights from a friend and they all got a chuckle out of my new rifle. Kinda sad POF doesnt send the rifle with a complete BUIS. I was waiting for my scope to arrive and when it did, I never pursuid the BUIS. I had one that was built in 2009 and it had extremely high rails. I am sure there is a set that will work, I would call POF and I am sure they can give you the answer you need. Once scoped the rifle was a shooter and I never had a problem out of it. They say POF rifles are hit or miss, I must have owned a hit because that rifle would shoot one of the guns that I really regret getting rid of.
guns004_zpscee4a831.jpg
 
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Battle sight zero the sight meaning front post flush and rear centered. Start at 25 and move back from there. Sounds like you are doing the right thing, does the sights say anything about zeroing using the sights with the 200-600. I normally zero using a M4 zeroing target and I am good out to 300 yards no problem. Next time you go out take a pic of the target and post it. A lot of people here are prior service and can tell more once seeing the target.
 
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No, I definitely purchased the Troy Folding HK Front Sight. Here is a picture of the package it came in. I purposely did not purchase the gas block version.

Troy Front Sight Package.jpg
 
Has to be a gas block front sight without a doubt, unless your front sight is backed out all the way.
 
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Front sight should be approximately 1.5" above the rail.
 
BOL556

Thanks for the suggestions. I will try to Battle Sight Zero, print out an M4 target and try that method. I will take a picture if I still cant get them zerod and see what happens. I will also check with POF and see what they recommend. I only bought these BUIS as back ups and to test the rifle out until I get an optic. Im hung up right now on deciding between an ACOG 3x30 .308 or waiting for the SWFA 1-6x24 is available. I really like that scope but its pre-order right now. I really like the reticle and the option of 1x for CQB and 6X for longer range shooting.
 
The front sight post is adjusted down (turned to right) as far as it will go. Well here is a pic measuring my front sight installed. Now you have me wondering if the wrong sight came in the package..... (Package has correct model # that matches Troy's website, but no model # on the actual Sight. Only has Cage Code and Lot #.

Troy Front Sight.jpg
 
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Possibly, can you use a tool/punch to rotate the front sight post counter-clockwise to raise it up?
 
My bad, clockwise (front sight moves down) to raise the point of impact. Keep in mind, my front sight is a YHM and my rear sight is a Noveske on a standard AR. I believe the POF's rail is a little bit higher than a standard AR.
 
17874

Thanks for trying to help me out. I am pretty sure I have the correct sight I ordered. I just think this isnt the correct sight for this gun. I see POF sells Diamondback Sights on their website. I will call POF and see what they suggest. While I will be putting a scope on this gun shortly I still want reliable BUIS just in case.
 
Cool, I am sure POF can get this worked out. Great company with great customer service.
 
So I haven't made it back to the range yet but I did decide to call POF and see what they had to say. I just hung up with them and they said the results I'm getting with the Troy folding sights are correct. I told him I was hitting 8"-10" below bulls eye with the front sight post adjusted all the way down and he said that was about right.

POF informed me that Diamondhead sights are made specifically for POF rifles. He said POF rails sit much higher than normal rails and the Diamondhead sights accommodate that.

I guess I'm off to purchase a set of Diamondhead sights. Anyone need a brand new set of Troy Folding sights??
 
POF informed me that Diamondhead sights are made specifically for POF rifles. He said POF rails sit much higher than normal rails and the Diamondhead sights accommodate that.

Does anyone know if the Magpul GEN 2 MBUS sights will have the same issue or not?
 
Does anyone know if the Magpul GEN 2 MBUS sights will have the same issue or not?

I asked the POF gunsmith if Diamondhead sights are the only sights that work with their high rail and he said yes. He said the Diamondhead sights are made specifically for POF rifles.

I would assume that means Magpul sights will not work. Only way to find out for sure is try them. I wish I called POF first because I now have a $200 BUIS set that I cant use. I have a SIG 556R arriving next Wednesday but they require a specific sight set (Samson 556 sights) which I already ordered.

Live and learn....
 
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Having the same issue with Magpul sights. Troy does list a micro set for raised rails.
 
This is nonsense, Diamondhead sights that are made specifically for POF rifles due to the raised rail. The rail height does come into play here as well as the sight height and the adj. that it has in it. The front & rear sight have to have a height difference, The bore center-line & the sight height are what is important, the higher the sight is off the bore center-line the more adjustment it would need for close-up & long-range.

If you take the front sight post out & remove the index pin & spring, screw the sight post back in tell it stops if it will go lower, the index pin needs to be shorter. I just did this an got .131th's lower adj. or 4 3/4 turns more down. The index pin be made shorter, just file off the bottom of the pin so it will go deeper into it's hole.

P.S. If I'm wrong someone will tell me & that's OK.
 
Yes "apg2369" I failed to include that as well the spring could be to long & if you cut the spring you need to stretch it a little. The front sight I did this to is a Troy HK Folding Battle Sight.
 
To anyone who finds this in the future: Troy Micro's will zero at 50/200yards with a little room to spare in the front sight elevation with 147 grain 7.62 NATO in the P-308.

Just FYI.