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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
matrix bullets? 7mm 190??
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<blockquote data-quote="wyoming4x4" data-source="post: 780487" data-attributes="member: 62669"><p>having barrel built for the 180g berger and 190g matrix. spoke with matrix and said 8 twist might be a little tight. 8.5 is about as tight as he would go. has heard some problems with bullets 190g if spun up to hard. safer in the 8.5 twist. so i will have a barrel built for this application. berger 180vld say 9 twist so anything close should get me in the ball park. 8.5 twist and 29" barrel in a 7 RUM an defensive edge brake. My brake arrived this weekend, sweet! waitin on parts.lightbulb.gun)</p></blockquote><p></p>
[QUOTE="wyoming4x4, post: 780487, member: 62669"] having barrel built for the 180g berger and 190g matrix. spoke with matrix and said 8 twist might be a little tight. 8.5 is about as tight as he would go. has heard some problems with bullets 190g if spun up to hard. safer in the 8.5 twist. so i will have a barrel built for this application. berger 180vld say 9 twist so anything close should get me in the ball park. 8.5 twist and 29" barrel in a 7 RUM an defensive edge brake. My brake arrived this weekend, sweet! waitin on parts.lightbulb.gun) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
matrix bullets? 7mm 190??
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