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Mark 4 Flip Sight (300-600) Point of Impact

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Bulit7 View Drop Down
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    Posted: October 25 2012 at 11:51pm
Hey what is the point of impact at 100 and 200 yards when the flip sight is set at 300 yards?

Any help sighting in this rifle would be greatly appreciated
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SW28fan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SW28fan Quote  Post ReplyReply Direct Link To This Post Posted: October 26 2012 at 12:40am
That will vary by Rifle
Theoretically  the 300 yard setting will be about   6" high at 200 and 18" high at 100 but that will vary from one gun to another.
You can adjust the point of aim  by replacing the front sight. They were made in different heights
Springfield Sporters has them sorted and sells them by height.
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Shamu View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: October 26 2012 at 1:40am
Its going to depend on bullet & velocity a little.
SW28's numbers are about the same as mine for MkVII ball.
Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LE Owner Quote  Post ReplyReply Direct Link To This Post Posted: October 26 2012 at 6:47am
According to the basic manual of military small arms the 300 yard leaf is good for 400 yards with bayonet removed and 300 yards with bayonet mounted. Practice of the era was that when the enemy was within 300 yards or less the bayonet was supposed to be mounted. The 600 yard leaf was for 600 yards without bayonet.
 
So if the front sight height is correct the 300 yard leaf should be zero'ed at 400 yards rather than 300 unless you have the bayonet mounted.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bulit7 Quote  Post ReplyReply Direct Link To This Post Posted: October 26 2012 at 10:09am
Thanks guys. I really appreciate all the help.
 
I really love this rifle. It has killed more stuff than all my other guns combined. A lot of history and good times!
 
SW28, sincere thanks !
 
Lee
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Eggy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Eggy Quote  Post ReplyReply Direct Link To This Post Posted: October 27 2012 at 3:35am
Originally posted by SW28fan SW28fan wrote:

That will vary by Rifle
Theoretically  the 300 yard setting will be about   6" high at 200 and 18" high at 100 but that will vary from one gun to another.
You can adjust the point of aim  by replacing the front sight. They were made in different heights
Springfield Sporters has them sorted and sells them by height.
 
Were there different height front sight blades for the SMLE as well ?
Devout Yorkshireman
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: October 27 2012 at 5:28am
Yes there were 7 different heights varing in 0.015 increments from -0.06" to + 0.03" (including a "zero"). each 0.015" change was equal to a 2.77" change in POI @ 100yds. The sight is marked on the top flat, adjacent to the blade with it's height. The blade's height was identical for all of them to keep a "standard" sight picture, the change was in the thickness of the base of the sight.
The #1 & No4 sights are not interchangable.
Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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