Robert1955
Ultimate Member
As the thread title asks, what is the preferred location to mount a red dot optic on the upper. I do have a flip up rear MBUS and a standard A2 front sight on this rifle also.
Where to locate a red dot on the upper?
- Thread starter Robert1955
- Start date
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There is no true correct place, a lot to do with personal preference and your eyes. I personally would not mount to railed handguards. Further away from rear sight allows you more peripheral view, versus red dot closer to the rear sight which cuts down on peripheral vision and forces you to look down the sight. Play with them both and see what you like most. Here are a couple of pics that show how stock position play a part in this setup too.
Extended equals closer
Collapsed stock usually means sight further out
Either way the distance of the sight from the shooters face is very similar.
Usually, the further forward on the upper (not handguard), the better.
This guy has great videos on this
https://youtube.com/channel/UCyfZqoB3wARtV2ENv1IfO6w
Watch his videos called "Dos and dont's of AR15 accessories"
This guy has great videos on this
https://youtube.com/channel/UCyfZqoB3wARtV2ENv1IfO6w
Watch his videos called "Dos and dont's of AR15 accessories"
j_h_smith
Ultimate Member
- Jul 28, 2007
- 28,516
I prefer my Red Dot scopes as far forward ON THE UPPER receiver.
Jim Smith
Jim Smith
- Jul 29, 2014
- 50,043
Just don't span across (bridge) the upper and fore end.
TheBulge
Active Member
- Mar 7, 2011
- 344
Put it anywhere its comfortable for you on the receiver. The red dot will need to go toward the front if you plan to use a magnifier or nv behind it.
Robert1955
Ultimate Member
Thanks for the info. I had it installed as far forward as I could on the upper, which is railed, and took it off so I could get the stock plastic hand guards replaced with a YHM Diamond Free Float tube. I liked it there so back it goes, staying on the upper and not on the tube at all.
Whitey
Collector and involved.
Erick
Active Member
- Sep 13, 2013
- 149
There is a methodical approach to all of this:
A good rule of thumb is to have your red dot or HWS, anywhere between
a) the back glass line up with the back of the magwell or
b) the front glass line up with the front of the magwell.
there is a small difference between the two depending on the lenght of your Redot/HWS but either is OK for starters.
.. based on my use and developed preferences the position in my pic probably needs to be another notch or even 2 forward.
If the EOtech wasnt as perfectly zeroed and locktited (only use blue locktite!!) I would probably move it forward by now a notch or even two but alas I make do until I feel ready for a new training weekend
Of course ultimately personal preference always trumps any "rule-of-thumb" but IMHO a shooter really doesnt have the expertise to even develop a personal preference unless he's shot at least 1000 rds in a realistic shooting environment that matches his PoU (philosophy of use).
So here it goes:
- Mount your reddot as described above
- Decide what your PoU is (in house defense or rural survival team, or general SHTF infantry type use?) then train with the standard setup in a realistic setting that matches your expected PoU (not just the square range!)
- Afterwards now that you have developed an informed personal preference modify the standard as you wish.
PS: Since I have been doing alot of shooting with the stock near collapsed as of late I will likely sacrifice my nice locktited zero this week and move the EOTech forward another notch or two but this is just based on my personal preference, evolved in 14,000 rds in realistic environments (jungle walk lanes, Small Unit tactics movement etc)) on this gun The upcoming SUT weekend will shake out how good the new position works for me with my now-preferred stock short setting.
A good rule of thumb is to have your red dot or HWS, anywhere between
a) the back glass line up with the back of the magwell or
b) the front glass line up with the front of the magwell.
there is a small difference between the two depending on the lenght of your Redot/HWS but either is OK for starters.
.. based on my use and developed preferences the position in my pic probably needs to be another notch or even 2 forward.
If the EOtech wasnt as perfectly zeroed and locktited (only use blue locktite!!) I would probably move it forward by now a notch or even two but alas I make do until I feel ready for a new training weekend
Of course ultimately personal preference always trumps any "rule-of-thumb" but IMHO a shooter really doesnt have the expertise to even develop a personal preference unless he's shot at least 1000 rds in a realistic shooting environment that matches his PoU (philosophy of use).
So here it goes:
- Mount your reddot as described above
- Decide what your PoU is (in house defense or rural survival team, or general SHTF infantry type use?) then train with the standard setup in a realistic setting that matches your expected PoU (not just the square range!)
- Afterwards now that you have developed an informed personal preference modify the standard as you wish.
PS: Since I have been doing alot of shooting with the stock near collapsed as of late I will likely sacrifice my nice locktited zero this week and move the EOTech forward another notch or two but this is just based on my personal preference, evolved in 14,000 rds in realistic environments (jungle walk lanes, Small Unit tactics movement etc)) on this gun The upcoming SUT weekend will shake out how good the new position works for me with my now-preferred stock short setting.
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INMY01TA
Ultimate Member
- Dec 29, 2008
- 5,829
I like to keep it centered with the magwell
sailskidrive
Legalize the Constitution
As far forward as it will go on the upper receiver....
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