Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Reloading
300WM fire formed case length shorter than book trim length
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Mikecr" data-source="post: 2281105" data-attributes="member: 1521"><p>Cases often pull necks back on fire forming, as the shoulder angles increase with this.</p><p>But the book could be wrong for your chamber and IMO there is nothing good in trimming too short.</p><p>You could sacrifice a bum case, trim ~1/8" away and use a Sinclair chamber length gage to find your real baseline from which to choose trim length. Then, trim as you reach it.</p><p>[URL unfurl="true"]https://www.sinclairintl.com/reloading-equipment/measuring-tools/case-gauges-headspace-tools/sinclair-chamber-length-gage-prod32925.aspx[/URL]</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2281105, member: 1521"] Cases often pull necks back on fire forming, as the shoulder angles increase with this. But the book could be wrong for your chamber and IMO there is nothing good in trimming too short. You could sacrifice a bum case, trim ~1/8" away and use a Sinclair chamber length gage to find your real baseline from which to choose trim length. Then, trim as you reach it. [URL unfurl="true"]https://www.sinclairintl.com/reloading-equipment/measuring-tools/case-gauges-headspace-tools/sinclair-chamber-length-gage-prod32925.aspx[/URL] [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Reloading
300WM fire formed case length shorter than book trim length
Top