Knife_Sniper
05-31-10, 15:59
I recently purchased a .80 XS white stripe post and would like to share some thoughts on it.
First off the last time at the range I had trouble discerning where the top of my front sight post ended vs the black target so I thought perhaps I could try a new style of front post.
I called XS to get some info on the front sight and decided it was the one to choose.
It has two white faces 180 degrees from each other with a white stripe down the middle of a black post... so in effect you have a two tone front sight. Sounds simple enough.
The package was simple and included installation instructions, the front post, and a plastic installation tool.
The post is a once piece screw in with two sides that feature the white stripe. In order to zero the sight you must make a minimum of two clicks of adjustment in order to bring the white post on the other side of the sight into view. The reason it doesn't have four white stripes on each side of the post is because the sight is cut in a triangle shape. The reason this was done is simple...
Since the stripe is recessed into the post, simply creating a 90 degree up and down post with a stripe would allow some shadow to occlude some portion of the white stripe. Instead XS decided to lean the post forward (hence the triangle cut) to allow ambient light to better mark the white stripe.
Visual reference below. :)
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0755.jpg
So you give up some finer adjustment of the AR15's front sight in exchange for a very clear white stripe set against a black post. Please excuse the pictures as the front sight post is much sharper to my eye than it is to the camera:
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0751.jpg
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0752.jpg
Visually it is very quick (as you can imagine) to pick up with the eye. Against a darker background the white really pops out and makes shooting into a dark setting fairly easy since it allows the shooter quick discernment of where the post is in relation to the dark background. With the standard front post you can sometimes lose its position or have a little trouble picking it up with speed against a dark background.
Shooting say outdoors from inside the sight simply turns into a dark front post.
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0753.jpg
One problem I found was that if you didn't center it well in the front sight base it would appear wider than it is due to your eye just barely seeing the edge of the slightly turned front post. Basically your eye sees a part of the black unmarked triangle portion of the sight if it isn't aligned properly. This isn't so much the fault of XS since I found that it engaged the detent very well... but rather the fact that the detent exhibits a little bit of side to side play that makes it possible to cant the angle of the XS sight. On a standard front post the cant is not discernible.
I fixed this problem with some Teflon tape so once it was angled right it would stay put.
I will hit the range tomorrow and see how it does in full bright sunlight.
Here is the test rifle:
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0754.jpg
First off the last time at the range I had trouble discerning where the top of my front sight post ended vs the black target so I thought perhaps I could try a new style of front post.
I called XS to get some info on the front sight and decided it was the one to choose.
It has two white faces 180 degrees from each other with a white stripe down the middle of a black post... so in effect you have a two tone front sight. Sounds simple enough.
The package was simple and included installation instructions, the front post, and a plastic installation tool.
The post is a once piece screw in with two sides that feature the white stripe. In order to zero the sight you must make a minimum of two clicks of adjustment in order to bring the white post on the other side of the sight into view. The reason it doesn't have four white stripes on each side of the post is because the sight is cut in a triangle shape. The reason this was done is simple...
Since the stripe is recessed into the post, simply creating a 90 degree up and down post with a stripe would allow some shadow to occlude some portion of the white stripe. Instead XS decided to lean the post forward (hence the triangle cut) to allow ambient light to better mark the white stripe.
Visual reference below. :)
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0755.jpg
So you give up some finer adjustment of the AR15's front sight in exchange for a very clear white stripe set against a black post. Please excuse the pictures as the front sight post is much sharper to my eye than it is to the camera:
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0751.jpg
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0752.jpg
Visually it is very quick (as you can imagine) to pick up with the eye. Against a darker background the white really pops out and makes shooting into a dark setting fairly easy since it allows the shooter quick discernment of where the post is in relation to the dark background. With the standard front post you can sometimes lose its position or have a little trouble picking it up with speed against a dark background.
Shooting say outdoors from inside the sight simply turns into a dark front post.
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0753.jpg
One problem I found was that if you didn't center it well in the front sight base it would appear wider than it is due to your eye just barely seeing the edge of the slightly turned front post. Basically your eye sees a part of the black unmarked triangle portion of the sight if it isn't aligned properly. This isn't so much the fault of XS since I found that it engaged the detent very well... but rather the fact that the detent exhibits a little bit of side to side play that makes it possible to cant the angle of the XS sight. On a standard front post the cant is not discernible.
I fixed this problem with some Teflon tape so once it was angled right it would stay put.
I will hit the range tomorrow and see how it does in full bright sunlight.
Here is the test rifle:
http://img.photobucket.com/albums/v738/Lothen/Firearms/DSCF0754.jpg