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
How is this possible?
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="backwoods83" data-source="post: 552897" data-attributes="member: 29890"><p>Well, being that the 7br is .284" diameter bullet and the 30br is .308 and they are both likely flat base bullets so 2 simple reasons are 30 cal has a larger base to push against and a much shorter bearing surface, which leads to less pressure in the 30 cal with equal powder charges, so you can use more powder and get more speed.</p></blockquote><p></p>
[QUOTE="backwoods83, post: 552897, member: 29890"] Well, being that the 7br is .284" diameter bullet and the 30br is .308 and they are both likely flat base bullets so 2 simple reasons are 30 cal has a larger base to push against and a much shorter bearing surface, which leads to less pressure in the 30 cal with equal powder charges, so you can use more powder and get more speed. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How is this possible?
Top