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JimFromTN
Optics Apprentice Joined: February/05/2010 Location: United States Status: Offline Points: 191 |
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Posted: October/14/2010 at 09:15 |
I had started a thread earlier about what scope to get and something must have gone wrong because it got locked out and only the first page is visible so I have to start another thread.
I am really liking the Vortex Viper PST 4-16x50 FFP scope, and I have time to wait for them to come out. My question is, does it have enough range of adjustment for 1000yd shots or would I need to add a 20 moa rail?
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trigger29
Optics Master Extraordinaire X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ? Joined: September/29/2007 Location: South Dakota Status: Offline Points: 4353 |
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What caliber, bullet, and muzzle velocity? Kinda hard to say without knowing that. If it's a .338-378 Wby, maybe, if it's a .22 lr, probably not.
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"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed." |
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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It is advertised with 75MOA in elevation and windage.
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JimFromTN
Optics Apprentice Joined: February/05/2010 Location: United States Status: Offline Points: 191 |
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300 win mag, 180gr, 2950fps
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JimFromTN
Optics Apprentice Joined: February/05/2010 Location: United States Status: Offline Points: 191 |
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Looks like if I sight in at 200 yds using a 180 gr sierra gameking with a muzzle velocity of 2950 fps, there will be about 286 inches of drop at 1000 yds.
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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75MOA adjustment say you get exactly half up and half down you have about 37.5 MOA in each direction
Now Round your ballistic calculator to about 30MOA (286 in @ 1000yds is 28.6MOA roughly) and I think you'd be cutting it close, but doable, with no base
but you'd be fine with a 20MOA base in case your dont get a zero exactly in the middle of the scopes adjustment range.
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Rancid Coolaid
MODERATOR Joined: January/19/2005 Location: United States Status: Offline Points: 9318 |
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Be advised that Murphy and his laws apply to scopes too, and definitely to elevation adjustments. if this is genuinely a gun that might see a 1,000 yard line, I'd put the 20MOA rail on for sure - no reason not to.
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martin3175
Optics Master Extraordinaire Joined: January/19/2005 Location: Maryland Status: Offline Points: 3773 |
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agree with Mr KoolAid
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cheaptrick
MODERATOR Joined: September/27/2004 Location: South Carolina Status: Offline Points: 20844 |
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This.
And furthermore, if you ever switch scopes that might have less "up", you've got an additional 20 MOA at the ready.
Scopes may come and go, but the rail will stay with the rifle.
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