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
Ultra Mag Powders and Barrel Life
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="J E Custom" data-source="post: 329523" data-attributes="member: 2736"><p>Mark </p><p>The military did a lot of testing to determine what type of powder was best for long wear</p><p>and determined that the ball powder seamed to be less abrasive on the throat of barrels.</p><p></p><p>They felt that it was the shape instead of burn rate or temperature. The stick powders eroded </p><p>faster because of the sharp edges on the cylindrical powders.</p><p></p><p>They were also looking for a certain port pressure for there gas guns and the ball powder</p><p>was easier to predict at barrel lengths to the port.</p><p></p><p>As to the issue of cooler or less temperature sensitive , There are some ball powders that </p><p>are extremely temp sensitive. (One of my favorite powders ,H414 is one of those) but there </p><p>are some stick powders that are also heat/temp sensitive.</p><p></p><p>I feel that poor barrel maintenance has more to do with barrel ware that any other one thing.</p><p></p><p>Case capacity,velocity,barrel temperature, cleaning,type of powder, amount of fouling all</p><p>contribute to barrel ware. That is the reason the military tries to hold velocity to around </p><p>3000 ft/sec, use ball powders and know that the rifles cannot be cleaned every time they </p><p>are shot. And also temperatures will sometimes be high during a fire fight.</p><p></p><p>I have barrels that use stick powder that have over 20,000 rounds through them and accuracy</p><p>is still sub 1/2 MOA.</p><p></p><p>On the big Magnums I use a lot of H 50BMG (Stick) and H869 (Ball) depending on what the rifle</p><p>likes and don't worry about the barrel getting 20,000 rounds through it because they are</p><p>hunting rifles and with proper cleaning they should last a lifetime.</p><p></p><p>So enjoy the rifles and feed them what they like.</p><p></p><p>Just my 2 cents</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 329523, member: 2736"] Mark The military did a lot of testing to determine what type of powder was best for long wear and determined that the ball powder seamed to be less abrasive on the throat of barrels. They felt that it was the shape instead of burn rate or temperature. The stick powders eroded faster because of the sharp edges on the cylindrical powders. They were also looking for a certain port pressure for there gas guns and the ball powder was easier to predict at barrel lengths to the port. As to the issue of cooler or less temperature sensitive , There are some ball powders that are extremely temp sensitive. (One of my favorite powders ,H414 is one of those) but there are some stick powders that are also heat/temp sensitive. I feel that poor barrel maintenance has more to do with barrel ware that any other one thing. Case capacity,velocity,barrel temperature, cleaning,type of powder, amount of fouling all contribute to barrel ware. That is the reason the military tries to hold velocity to around 3000 ft/sec, use ball powders and know that the rifles cannot be cleaned every time they are shot. And also temperatures will sometimes be high during a fire fight. I have barrels that use stick powder that have over 20,000 rounds through them and accuracy is still sub 1/2 MOA. On the big Magnums I use a lot of H 50BMG (Stick) and H869 (Ball) depending on what the rifle likes and don't worry about the barrel getting 20,000 rounds through it because they are hunting rifles and with proper cleaning they should last a lifetime. So enjoy the rifles and feed them what they like. Just my 2 cents J E CUSTOM [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Ultra Mag Powders and Barrel Life
Top