Barnes bullets?

Yesterday, 11:48 AM Originally Posted by pisgah They are solid copper, meaning that :

A. they are not as compressible as jacketed lead core bullets; and,

B. since copper is lighter than lead, they are, weight-for-weight, longer than standard lead/jacketed bullets, and have longer bearing surfaces.

These factors mean they generate higher pressures than standard bullets. I would recommend using Barnes data when loading Barnes bullets. It's different because the bullets are.

The Barnes TTSX and TSX bullets have grooves giving them less bearing surface not more

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A 9mm may expand to a larger diamenter, but a 45 sure ain't going to shrink Yesterday, 04:02 PM Originally Posted by pisgah They are solid copper, meaning that :

A. they are not as compressible as jacketed lead core bullets; and,

B. since copper is lighter than lead, they are, weight-for-weight, longer than standard lead/jacketed bullets, and have longer bearing surfaces.

These factors mean they generate higher pressures than standard bullets. I would recommend using Barnes data when loading Barnes bullets. It's different because the bullets are.

Being lighter than lead as noted makes em longer.

Being longer also changes the amt the project into the case. That screws up the pressure cause so much of the bullet is occupying case space.

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