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Rifles, Reloading, Optics, Equipment
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<blockquote data-quote="Roughrice" data-source="post: 2665011" data-attributes="member: 118657"><p>My apologies!</p><p>I didn't word this correctly and surely sounds misleading!</p><p>Should have given the longer version. I'll try again.</p><p>The 7mm-08 would give more efficient performance in velocity <span style="color: rgb(243, 121, 52)">per grain of powder burnt</span> than would a 280ai <span style="color: rgb(97, 189, 109)">in a 20" barrel</span> simply due to volume and burn time...with the excess waste blowing out the muzzle in fireball fashion.</p><p></p><p>I did fire the exact same load in the 20" as was used in the 26" barrel so...yes, it was a slower burning powder while the 7mm-08 load was a faster powder and, as stated, my results were that the 280ai was still faster.</p><p>With that said, loading the 280ai with a faster burning powder in short barrel would help burn time but would still be less efficient in an 18" or 20" barrel for the volume of powder consumed.</p><p></p><p>As stated before... the short 7's outshine the 280ai in this configuration.</p><p></p><p>Be sure to check suppressor manufacturing recommendations for minimum barrel length/ caliber due to pressure.</p><p>Be aware of Tikka's magazine limitation for 280 AI OAL.</p><p></p><p>Have a good weekend guys!</p></blockquote><p></p>
[QUOTE="Roughrice, post: 2665011, member: 118657"] My apologies! I didn't word this correctly and surely sounds misleading! Should have given the longer version. I'll try again. The 7mm-08 would give more efficient performance in velocity [COLOR=rgb(243, 121, 52)]per grain of powder burnt[/COLOR] than would a 280ai [COLOR=rgb(97, 189, 109)]in a 20" barrel[/COLOR] simply due to volume and burn time...with the excess waste blowing out the muzzle in fireball fashion. I did fire the exact same load in the 20" as was used in the 26" barrel so...yes, it was a slower burning powder while the 7mm-08 load was a faster powder and, as stated, my results were that the 280ai was still faster. With that said, loading the 280ai with a faster burning powder in short barrel would help burn time but would still be less efficient in an 18" or 20" barrel for the volume of powder consumed. As stated before... the short 7's outshine the 280ai in this configuration. Be sure to check suppressor manufacturing recommendations for minimum barrel length/ caliber due to pressure. Be aware of Tikka's magazine limitation for 280 AI OAL. Have a good weekend guys! [/QUOTE]
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