Sight offset at 7 yards?

Discuss rifles chambered for the 5.7x28mm; P90, PS90, and AR57.
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spyderco monkey
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Sight offset at 7 yards?

Post by spyderco monkey » 28 Jul 2016, 19:49

So I recently snagged a PS90 tri-rail, very excited to have it. Would have bought one years ago but only recently joined a free state.

Anyway, the only thing that concerns me is the sight offset, using a ruler it looks to be nearly 4" over the bore.

For those who have their PS90's sighted in at 50 yards, where is the point of impact at 7 yards?

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jgreenberg01
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Re: Sight offset at 7 yards?

Post by jgreenberg01 » 29 Jul 2016, 06:50

I made this video around 4 years ago, but I'm pretty sure I shot several different rounds at different ranges. Hope it help...

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panzermk2
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Re: Sight offset at 7 yards?

Post by panzermk2 » 29 Jul 2016, 07:50

spyderco monkey wrote:So I recently snagged a PS90 tri-rail, very excited to have it. Would have bought one years ago but only recently joined a free state.

Anyway, the only thing that concerns me is the sight offset, using a ruler it looks to be nearly 4" over the bore.

For those who have their PS90's sighted in at 50 yards, where is the point of impact at 7 yards?

Just to make sure, it's a true tri rail?

Because I can minimize the offset. The offset is the same for the standard ringsight installed in a standard PS90

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Jay Wolf
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spyderco monkey
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Re: Sight offset at 7 yards?

Post by spyderco monkey » 29 Jul 2016, 11:03

The rail looks like this:

Image

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panzermk2
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Re: Sight offset at 7 yards?

Post by panzermk2 » 01 Aug 2016, 08:19

spyderco monkey wrote:The rail looks like this:

Image

Yep that's a true Tri Rail. I like to make sure since people not familiar with the PS90 think the standard with removable rail is a Tri Rail since the true Tri Rails are very rare.
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Kiran04
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Re: Sight offset at 7 yards?

Post by Kiran04 » 19 Dec 2016, 18:07

I have a laser added to mine. I sighted the laser in at 7 yards, the red dot at 50.

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