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Old 03-29-2015, 02:04 AM   #1 (permalink)
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Is this Razerback bolt adjustable?

OKay...I have an old Razorback that I was cleaning up tonight. It's a unibody one without a removable barrel. It's an ex field rental.

The bolt is a two piece bolt. The grub screws in the picture were threaded in and keeping the center piece from being rotated.

It looks to me that this was only a way of manufacturing the bolt, and it's not a velocity adjustment. Am I right?

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Old 03-29-2015, 03:12 AM   #2 (permalink)
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Don't know if it's just a rental thing but my old razorback has the same bolt. Pretty sure the set screws are so the velocity doesn't creep once it's dialed in.
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Old 03-29-2015, 10:40 AM   #3 (permalink)
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That large inner threaded piece is the velocity adjustment screw. It puts more or less tension on the main spring between the bolt and hammer which increases or decreases velocity accordingly. The side grub screws are to lock the velocity adjuster in place.
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Old 03-29-2015, 04:39 PM   #4 (permalink)
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Thanks...it was the grub screws that threw me for a loop. They're not easy to get to without taking everything apart. I can get to one of them just taking the trigger frame off. Now to find a 2 foot allen wrench ...
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Old 03-29-2015, 08:24 PM   #5 (permalink)
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phantomonline.com

order from CCI! 1/4 inch hex. They come with the plastic slot tip adapter for phantom bolts, but it pulls right off.

I would get you the exact link from the site for the velocity adjuster, but the site seems to be down at this exact moment, for me anyways.
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Old 03-30-2015, 12:10 AM   #6 (permalink)
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I didn't realize the Phantom one was that big. I should probably get another velocity adjuster, I have 3 Phantoms. I know I probably should have figured all this out myself but it's been a bad week for me and I can barely think strait.
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Old 03-30-2015, 08:34 PM   #7 (permalink)
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While you are ordering from CCI, you could probably get some of the 10-32 threaded nylon screws and replace the steel ones you have now.
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