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Designing the 2-diameter paper patch bullet.
04-24-2021, 08:59 PM,
RE: Designing the 2-diameter paper patch bullet.
Oh boy, that's a good looking bullet there!

I believe the 2-diameter design has a lot to offer and in most rifles will shoot with excellent accuracy as long as the diameters fit the chamber reasonably close or better said, as close as possible.

The design minimizes bullet upset in the case and freebore because the bullet already fit those areas closely before it's fired. Also, the bullet does not have to shorten as much as when it has to bump up to fill the case ID and freebore. The less lead that has to move around the better the accuracy potential.

Another thing the 2-D designs does is when it is seated in the case to a length that the groove diameter step is against the rifling leade it offer some initial resistance to bullet jump (caused y the primer detonation) giving a more consistent powder ignition and burn.

Recovered 2-D bullets look the same as recovered bore diameter bullets in that they are the same diameter for the length of the shank and all traces of the step are gone and the engraving is even the full length of the shank.

I will be watching for your match results, Kenny! Good luck to you!
Jim Kluskens
aka Distant Thunder
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Messages In This Thread
RE: Designing the 2-diameter paper patch bullet. - by Gunlaker - 01-04-2019, 04:29 PM
RE: Designing the 2-diameter paper patch bullet. - by Gunlaker - 05-06-2019, 09:48 AM
RE: Designing the 2-diameter paper patch bullet. - by Gunlaker - 05-06-2019, 10:25 AM
RE: Designing the 2-diameter paper patch bullet. - by Distant Thunder - 04-24-2021, 08:59 PM
RE: Designing the 2-diameter paper patch bullet. - by Steveu - 01-16-2024, 12:10 PM

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