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Thread: Has anyone here had a SCAR17 ruin your optic?

  1. #51
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    A 6lb bolt-action hunting rifle in a heavy caliber has a lot more true recoil than the SCAR or most other semiauto .308s, yet decent hunting scopes (like a Leupold VX-3) seem to survive them. Speculation only here - but if the SCAR is breaking optics more often than other rifles, I expect it would be a combination of:

    1) Forward "recoil" pulse - that 18oz carrier slamming a cartridge home pushes the whole gun forward when it hits. Any OK scope can handle rearward recoil, but many scopes are not made to handle any significant forward jolt. Simple spring-piston airguns will often break scopes because of the forward impulse. I would hazard a guess that some quality scopes are made to be just as durable against forward jolts as rearward, and others probably are not.

    2) Vibration from full auto or rapid fire - If the next shot is triggered before the gun has completely settled down from the last one, the second and subsequent impulses may cause vibration that is different in character from what you get from single shots, and that could start making things vibrate in a way that electronics don't like. The heavy carrier going forward would probably magnify this compared to something with less reciprocating mass.

    Just guesses, but didn't see them listed above.
    Last edited by SomeOtherGuy; 10-23-12 at 16:38.

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