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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
subsonic loads
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<blockquote data-quote="LouBoyd" data-source="post: 415244" data-attributes="member: 9253"><p>I'd suggest you read the approximately 127 posts in this thread on the Quarterbore forum. </p><p><a href="http://www.quarterbore.net/forums/showthread.php?t=280" target="_blank">308 subsonic - Quarterbore's Forums</a></p><p></p><p>If that doesn't work go to </p><p><a href="http://www.quarterbore.net" target="_blank">Quarterbore's Forums</a> </p><p>then forums</p><p>then 300 Whisper Forums</p><p>then Other Subsonic Topics</p><p>then 308 Subsonic </p><p></p><p>It's a good thread which covers many aspects of shooting a dual use super and subsonic, bolt and semi-auto 308 rifles. </p><p>It's easy to get a bullet to leave a 308 rifle at around 1000 fps. What's not easy is to do that with low velocity spread, properly stabilized, clean burning, with a high enough BC to deliver useful energy and which will expand at a reasonable depth in the game. </p><p></p><p>Ssubsonic bullet will have less than 20% of the energy of a standard 308 in the 100 to 200 yard range. Shot placement is critical with lower energy but harder to achieve with the vertical stringing that's hard to avoid with subsonics. </p><p></p><p>Without a suppressor the supersonic crack will be gone but the muzzle blast will still be roughly as loud as standard 308 at about 3 times the distance. Hearing protection is still needed.</p><p></p><p>Personally I don't see much point in shooting a 308 Subsonic. It can be done but why? There are other cartridges which are much more suitable.</p></blockquote><p></p>
[QUOTE="LouBoyd, post: 415244, member: 9253"] I'd suggest you read the approximately 127 posts in this thread on the Quarterbore forum. [url=http://www.quarterbore.net/forums/showthread.php?t=280]308 subsonic - Quarterbore's Forums[/url] If that doesn't work go to [url=http://www.quarterbore.net]Quarterbore's Forums[/url] then forums then 300 Whisper Forums then Other Subsonic Topics then 308 Subsonic It's a good thread which covers many aspects of shooting a dual use super and subsonic, bolt and semi-auto 308 rifles. It's easy to get a bullet to leave a 308 rifle at around 1000 fps. What's not easy is to do that with low velocity spread, properly stabilized, clean burning, with a high enough BC to deliver useful energy and which will expand at a reasonable depth in the game. Ssubsonic bullet will have less than 20% of the energy of a standard 308 in the 100 to 200 yard range. Shot placement is critical with lower energy but harder to achieve with the vertical stringing that's hard to avoid with subsonics. Without a suppressor the supersonic crack will be gone but the muzzle blast will still be roughly as loud as standard 308 at about 3 times the distance. Hearing protection is still needed. Personally I don't see much point in shooting a 308 Subsonic. It can be done but why? There are other cartridges which are much more suitable. [/QUOTE]
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