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Sling

11-28-2005 03:01 PM

Roc Import GPA

Anyone have any experience with the bullet? Looks like an interesting concept.

[link]http://www.roc-import.com/gb/gpa/index.php[/link]

handloader1

11-29-2005 12:10 AM

RE: Roc Import GPA

The only thing that concerns me iscavitation with lower impact velocities usingsmaller caliber bullets (Meplat) applying this equation: C=[VD/240] - 0.625 V=Impact Velocity; D=Meplat Diameter; C=Cavitation.[X(][X(]Good luck.

Sling

12-05-2005 07:08 PM

RE: Roc Import GPA

Yes, I guess I had a similar concern. When do the petals come off? If they stay on too long, I guess it is no big deal, because you basically have an X bullet.

If they come off too soon, how big will the channel be through the vitals.

I think I would want to shoot a few intowetpacks to see what happens before I actually tried them in the field.

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