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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Least fussy mono-metal bullet?
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<blockquote data-quote="FEENIX" data-source="post: 2344110" data-attributes="member: 14204"><p>Monolithic bullet manufacturers do not require specific freebore but rather recommend a minimum barrel twist rate to optimize bullet stability. If you are referring to PVA's optimal freebore information, it is not a specific freebore requirement but rather the optimal freebore they found on their testing. For instance, 124g (.264") Seneca's optimal freebore information is .120-.200. IIRC, 6.5 PRC reamer SAAMI freebore is .188. On another site, a gunsmith is using a .130 reamer freebore. Both freebore falls within the optimal freebore information that PVA has on their website.</p><p></p><p>If you want to shoot monolithic and cup/core bullets, you need to have the proper twist rate to stabilize the bullet you will shoot. For instance, I have a 1:7" for both my .264 WM and .257 WBTY and can shoot most if not all monolithic bullets and cup/core requiring fast twist for stability.</p><p></p><p>[USER=87243]@codyadams[/USER] has a lot of real-world experience/successes with the Badlands bullets, and probably Cayugas too.</p></blockquote><p></p>
[QUOTE="FEENIX, post: 2344110, member: 14204"] Monolithic bullet manufacturers do not require specific freebore but rather recommend a minimum barrel twist rate to optimize bullet stability. If you are referring to PVA's optimal freebore information, it is not a specific freebore requirement but rather the optimal freebore they found on their testing. For instance, 124g (.264") Seneca's optimal freebore information is .120-.200. IIRC, 6.5 PRC reamer SAAMI freebore is .188. On another site, a gunsmith is using a .130 reamer freebore. Both freebore falls within the optimal freebore information that PVA has on their website. If you want to shoot monolithic and cup/core bullets, you need to have the proper twist rate to stabilize the bullet you will shoot. For instance, I have a 1:7" for both my .264 WM and .257 WBTY and can shoot most if not all monolithic bullets and cup/core requiring fast twist for stability. [USER=87243]@codyadams[/USER] has a lot of real-world experience/successes with the Badlands bullets, and probably Cayugas too. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Least fussy mono-metal bullet?
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