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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 fireball????
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<blockquote data-quote="MudRunner2005" data-source="post: 908550" data-attributes="member: 12995"><p>.300 Fireball, .300 Whisper, .300-221, .300 Blackout, 7.62x35mm are all pretty much the same caliber. So yes and no about having it rechambered.</p><p> </p><p>Here's why... They're all based off the .221 Fireball case, except the .300 Blackout. It's dimensions were the exact same, but because it was developed from cut-down .223/5.56 brass, the neck walls are thicker than the other chamberings. So you don't necessarily need to rechamber it, just have your gunsmith run a new SAAMI spec reamer down it to make sure the throat is opened up to accept .300 Blackout brass with the thicker neck walls.</p><p> </p><p>And also, if you have a 10" barrel...I hope you're not planning on using that on a rifle, unless you have a registered SBR lower...</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 908550, member: 12995"] .300 Fireball, .300 Whisper, .300-221, .300 Blackout, 7.62x35mm are all pretty much the same caliber. So yes and no about having it rechambered. Here's why... They're all based off the .221 Fireball case, except the .300 Blackout. It's dimensions were the exact same, but because it was developed from cut-down .223/5.56 brass, the neck walls are thicker than the other chamberings. So you don't necessarily need to rechamber it, just have your gunsmith run a new SAAMI spec reamer down it to make sure the throat is opened up to accept .300 Blackout brass with the thicker neck walls. And also, if you have a 10" barrel...I hope you're not planning on using that on a rifle, unless you have a registered SBR lower... [/QUOTE]
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300 fireball????
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