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
short vs long 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="lancetkenyon" data-source="post: 3097585" data-attributes="member: 68875"><p>I love the SA mags. As with any SA cartridge, they don't compare to a LA mag of the same caliber. But they DO compare to a LA standard BF cartridge. The 7SS/7SAUM and .280AI are ballistic twins. But the 7RM outruns them both by 100 fps. But at about 10gr more powder charge. 28 Nosler outruns all of them by another 200+fps. But at 30gr more than the 7SAUM. </p><p></p><p>SA has an obvious shorter bolt throw. I have seen numerous guys short throw a LA bolt and not pick up the next round in the magazine, only to hear a "click" as the firing pin falls on an empty chamber. I haven't seen anyone short throw a SA bolt. </p><p></p><p>Short actions weigh a little less than a LA. </p><p>SA mags sometimes have feeding issues.</p><p></p><p>SA mags are usually run at max mag length, and limit COAL. </p><p></p><p>Short and fat are sexy (just ask my wife).</p><p></p><p>Barrel life in SA mags is usually a hint better than LA mags, just because of powder burn/flame. But to get best velocities, you have to run them warm, which increases pressure, the OTHER barrel life killer.</p><p></p><p>SA mags are popular. But you won't get the best performance possible from them. There is no replacement for displacement. More HP=more performance.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 3097585, member: 68875"] I love the SA mags. As with any SA cartridge, they don't compare to a LA mag of the same caliber. But they DO compare to a LA standard BF cartridge. The 7SS/7SAUM and .280AI are ballistic twins. But the 7RM outruns them both by 100 fps. But at about 10gr more powder charge. 28 Nosler outruns all of them by another 200+fps. But at 30gr more than the 7SAUM. SA has an obvious shorter bolt throw. I have seen numerous guys short throw a LA bolt and not pick up the next round in the magazine, only to hear a "click" as the firing pin falls on an empty chamber. I haven't seen anyone short throw a SA bolt. Short actions weigh a little less than a LA. SA mags sometimes have feeding issues. SA mags are usually run at max mag length, and limit COAL. Short and fat are sexy (just ask my wife). Barrel life in SA mags is usually a hint better than LA mags, just because of powder burn/flame. But to get best velocities, you have to run them warm, which increases pressure, the OTHER barrel life killer. SA mags are popular. But you won't get the best performance possible from them. There is no replacement for displacement. More HP=more performance. [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
short vs long mag
Top