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kal
01-31-11, 19:06
I'm talking about 185gr 45acp, 135gr 40sw, etc.

Where is the material taken from to make these bullets lighter than normal?

I just want to know specifically if the bullet is shortened to achieve lighter weight.

Fail-Safe
01-31-11, 20:00
Base.

Shortening a .40 bullet for instance, makes it lighter(with regards to traditional copper/lead).

kal
02-03-11, 13:37
Do they cut material from the base to shorten the overall length of the bullet, or is material dug out from the base to create a concave, but not affecting the length of the bullet?

I hope that makes sense....

5pins
02-03-11, 13:55
Generally lighter rounds are shorter than their heaver counterparts.

glocktogo
02-03-11, 14:11
Nothing is removed. the gilding metal that forms the jacket is smaller and forms a shorter cup. Subsequently, it will hold less lead when the bullet is swaged. If you set a 185gr JHP next to a 230gr JHP, the 185 will look like a shorter version of the 230. In the same caliber, a lighter bullet will have a lower sectional density, which adversely effects penetration and maximum point blank range.

Molon
02-03-11, 14:37
The following demonstration uses Hornady 9mm XTP bullets.



http://www.box.net/shared/static/neit7vsg6s.jpg



....

kal
02-03-11, 16:11
glock & molon, thanks for the info.

That's exactly what I wanted to know.

481
02-04-11, 16:36
The following demonstration uses Hornady 9mm XTP bullets.



http://www.box.net/shared/static/neit7vsg6s.jpg



....

Excellent picture, Molon. :)

Now...once you've glued them to the ceiling how do you remove them after you've taken the picture? :eek:

:p