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Posted: 11/18/2013 3:56:08 PM EDT
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http://i35.photobucket.com/albums/d192/steveminla/smileys/smiley-blushing.gif
I'm new to the forum and can't seem to find the "right" 45 degree angle mount. Through my research I've noticed that some mounts ( when looking down the wrong end of the barrel for instance ) the optic/sights are not directly aligned with the barrel!!? Personally I feel like you don't have to break the bank for a mount ( although I am aware, you get what you pay for ) but, now I'm more concerned with getting a mount that will be aligned correctly!!! http://i35.photobucket.com/albums/d192/steveminla/forum/45degreemountcomparison_zps7c07094a.jpg I feel like I hit a brick wall so any advice will be greatly appreciated! http://i35.photobucket.com/albums/d192/steveminla/smileys/smiley-head_smack.gif ps. any photos with the info of a mount you like are welcome! EDIT: I should also mention I wanted to use my existing fold down sights as the examples in the photo above are not folding down |
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Exactly, that line is in relation to the sight. And you can see how off it is from the barrel...
like in the opposite photo. In that one his sight lines up perfectly with the barrel. Travis ( I thought I'd try to hide his face since I respect him and his products ) even says the same thing in this video...saying it's not ideal. Because when you rotate to look down the sight the sight WILL be off to the side ( not above the center of the barrel ). Maybe this new photo will help explain what I'm asking about. http://i35.photobucket.com/albums/d192/steveminla/forum/45degreemountcomparison-2_zps39fee57f.jpg I'm not calling out Travis OR his products...but if EVERY 45 degree mounts line up properly over the barrel then I guess my question is answered. Like I said I'm new and only trying to learn more about something so I can make an educated decision before I buy something. http://i35.photobucket.com/albums/d192/steveminla/smileys/smiley-zipped_shut.gif . |
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Quoted:
I'm not sure you got that one right. In the pic on the left, the barrel IS NOT POINTING DIRECTLY AT THE CAMERA. If it were, like the one in the other pic, you would see that the sight does, indeed, sit directly inline with the barrel. Would be my guess. |
| Well his point seems to be that on many 45' offset rails, when the rifle is rotated 45' the offset mount is now level, but not centered over the bore. This is true for my Warne offset rail (which is 0.25-0.5" closet to the main optic when rotated level than it would be if it were centered over the bore). I dont see how it matters much until you get to 3-4x your zero distance. From 0-50y the side to side offset is far less than height over bore offset, and having it closer to the optic makes it act a bit more like a 35 or 40' offset instead. I rotate the rifle to bring the dot to my eyeline, and dont pay much attention to the horizontal surfaces. |
| I have a 1 o'clock offset mount and it does't align to the bore just like the example on the left. It works fine, it's a bit tricky to zero and there is very slight horizontal (as well as vertical) "holdover" that you'll have to adjust for when shooting further out. |
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Quoted:
Ok now I am confused. You want your backup sight to be perfectly in line with the bore because you may be taking 300 yard shots at a 3" target with your gun at a 45 degree angle and can't have any alignment issues? good luck seeing a 3" target at 300 yards let alone hitting one, I concur, out to 100 yards you'll be able to make good hits on target whether or not the are lined up exactly with the bore. |
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You are comparing a 45 degree angle mount vs custom fit 45 degree Front & Rear Rapid Transition Sight.
A 45 degree angle mount it comes at 1 a clock referenced to the bore ax and is 45 degree at the upper pica-tinny rail left corner ( when looking down the wrong end of the barrel ). It is 45 degree on the bore ax just offset due to the shape of the free float guard.Windage adjustment takes care of it.Travis Haley left picture. Barry Duecks right picture developed his own 45 degree Front & Rear Rapid Transition Sight on a LMT Monolithic Rail Platform upper receiver/free-floating hand guard/rail system . It been designed that way to be 45 degree exactly on the bore ax. No mount , only a 45 degree sight fitted to the hand guard. -45 degree mount. Advantage -cost, $10-$30 plus a set of sights. Disadvantage - fiddling with the windage adjustment. -45 degree Front & Rear Rapid Transition Sight (Barry Dueck setup) Advantage - sturdy, easy sight in , no obstructions between optic and sight. Disadvantage - cost, sights + LMT Monolithic Rail Platform upper receiver/free-floating hand guard/rail system it sets you back aprox $280+ $1300. http://i871.photobucket.com/albums/ab279/levik136/45degreemountcomparison_zps2fb15ac3.jpg If your concern is the interference between your main optic and iron sights you can instal your mount on the 90 degree pica-tinny at 2 a clock. Decisions are yours. |
I've rotated the rifle about 25 degrees, just enough to clear the primary optic. This is a YHM 45 degree offset rail, which functionally is a 1 o'clock optic mount. The MRDS is not square, but the dot is directly over the bore. This is the way I was taught by my 5th Group buddy and the way he sets up his personal civvy carbine and duty M4A1. (Carbine is unloaded and camera is on a tripod.) 
Shooter's view. MRDS is canted clockwise, but this does not cause any issues except making it tricky to zero. 
Offset mount for MRDS in front of ACOG. |
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Best of all you can instal picatinnys at 45 and install your sight right on the bore ax .Easy sighting in.
http://i871.photobucket.com/albums/ab279/levik136/DPMS3G2_zpsad8597ef.jpg Use your scope ,holographic or red dot and magnifier just to name a few on your top. and you're ready to rock and roll. |
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That setup with the MAGPUL buis on the rail looks very bad because it gives you such a short sight radius. You want to get them as far away as possible. Why not just get these:
http://www.amazon.com/Front-Degree-Rapid-Transition-Backup/dp/B006X9DLQM/ref=sr_1_1?ie=UTF8&qid=1385350273&sr=8-1&keywords=offset+iron I have them and they are by far the cheapest option here (45 degree offset mounts alone are the same price, not to figure in the other $60+ for BUIS) and are almost equal in quality to the $200+ ripoffs. |
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