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
Rifles, Bullets, Barrels & Ballistics
Talk me out of a 7mm rem mag
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="Westernhuntr" data-source="post: 1894890" data-attributes="member: 112648"><p>People get offended easily about cartridges so I'll start by saying the 7RM is a good round and will work just fine for your needs.</p><p></p><p>I feel there are improvements to be had by going with a shorter fatter powder column for accuracy and tunability.</p><p></p><p>The longer neck on a Saum gives you more flexibility in seating depth with a wider variety of bullets, and it's argued can increase throat life.</p><p></p><p>The Saum has less case taper than a RM and a 30 degree shoulder, less case growth and more efficient with modern powders.</p><p></p><p>Lastly there's no belt, and here's why I really don't like belts;</p><p>The first shot with virgin brass is headspaced off the belt and there can be a lot of case stretch, like .010 or more depending on the chamber and brass used.</p><p> This can cause early case head separation, I've had it happen with 3 firings.</p><p>Anyone who denies this can happen needs to measure the shoulder length on virgin brass and compare post firing.</p><p>Lastly I've dealt with resizing issues where the case expands above the belt, this can be fixed with a special die but it's a pain.</p><p></p><p>So there you have it..</p></blockquote><p></p>
[QUOTE="Westernhuntr, post: 1894890, member: 112648"] People get offended easily about cartridges so I'll start by saying the 7RM is a good round and will work just fine for your needs. I feel there are improvements to be had by going with a shorter fatter powder column for accuracy and tunability. The longer neck on a Saum gives you more flexibility in seating depth with a wider variety of bullets, and it's argued can increase throat life. The Saum has less case taper than a RM and a 30 degree shoulder, less case growth and more efficient with modern powders. Lastly there's no belt, and here's why I really don't like belts; The first shot with virgin brass is headspaced off the belt and there can be a lot of case stretch, like .010 or more depending on the chamber and brass used. This can cause early case head separation, I've had it happen with 3 firings. Anyone who denies this can happen needs to measure the shoulder length on virgin brass and compare post firing. Lastly I've dealt with resizing issues where the case expands above the belt, this can be fixed with a special die but it's a pain. So there you have it.. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Talk me out of a 7mm rem mag
Top