185-gr SWC, Chap. 4: Blue Dot? Well, Maybe

Talk about your 450b reloading experience, ask questions, etc...

Moderator: MudBug

Forum rules
Please try and keep it safe!

This information is the responsibility of the community, not the forum. 450bushmaster.net is not responsible if you blow yourselves up.

Re: 185-gr SWC, Chap. 4: Blue Dot? Well, Maybe

Postby pitted bore » Fri Jul 24, 2009 12:41 pm

Siringo-

I did experience some case head expansion. I posted the measurements in the thread, but I suspect they got buried under the verbiage.

After firing the last series, case head expansion measured at the front edge of the extractor groove was:
33 grains . . 0.0000"
34 grains . . 0.0000"
35 grains . . 0.0006"
36 grains . . 0.0004"
37 grains . . 0.0007"

I'll leave interpretation of this to persons with more expertise than myself. These are measurements of a single case at each level, Because variation around these values is to be expected, higher values are likely to occur for any charge in the list.

--Bob
User avatar
pitted bore
 
Posts: 700
Joined: Sun Jun 07, 2009 8:05 pm
Location: The U.P.'s U.P.

Previous

Return to Reloading for the 450b

Who is online

Users browsing this forum: No registered users and 28 guests