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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30/221 (whisper) barrel length?
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<blockquote data-quote="eddybo" data-source="post: 189793" data-attributes="member: 7194"><p>Not exactly a long range gun caliber but I decided to build a .30/221 (300 Whisper). I plan on shooting the 200+ class of bullets and understand that I need a 8 twist barrel to stabilize these as subsonic speeds? Since I am threading a supressor on the muzzle (assuming I get approved by the ATF) what would be a suitable barrel length? Can I get by with a 16 inch barrel or should I go longer?</p></blockquote><p></p>
[QUOTE="eddybo, post: 189793, member: 7194"] Not exactly a long range gun caliber but I decided to build a .30/221 (300 Whisper). I plan on shooting the 200+ class of bullets and understand that I need a 8 twist barrel to stabilize these as subsonic speeds? Since I am threading a supressor on the muzzle (assuming I get approved by the ATF) what would be a suitable barrel length? Can I get by with a 16 inch barrel or should I go longer? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30/221 (whisper) barrel length?
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