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Long Range Hunting & Shooting
7mm Blaser Mag Reloading Data
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<blockquote data-quote="highdrum" data-source="post: 1515346" data-attributes="member: 13732"><p>Scouter has an improved reamer, it has a 37° shoulder angle, and slightly less taper, and a lot longer throat. The CIP chamber spec is only 0.063" freebore. To take advantage of the long necked case and seat heavy bullets optimally, 200+ freebore is desired. Scouters chamber spec is 230 freebore. The 7wsm actually has slightly more usable case capacity with a bullet seated with the boat tail at the base of neck, has a shorter fatter powder column and is arguably a more efficient design, it's just missing a long neck. The 7mm rem mag is 82gr, 7 blaser is 82gr including the long neck, the 7mm wsm is right about the same capacity with a shorter neck than the prior 2, meaning it has more boiler room. If you're looking for more horsepower, you'll need a bigger case. The 7mm blaser improved will get another 4-5gr usable cap. Next step up is a 7mm-300 win mag which has around 90gr capacity, then you have the 28 nosler & 7 stw which are right around 100gr.</p></blockquote><p></p>
[QUOTE="highdrum, post: 1515346, member: 13732"] Scouter has an improved reamer, it has a 37° shoulder angle, and slightly less taper, and a lot longer throat. The CIP chamber spec is only 0.063" freebore. To take advantage of the long necked case and seat heavy bullets optimally, 200+ freebore is desired. Scouters chamber spec is 230 freebore. The 7wsm actually has slightly more usable case capacity with a bullet seated with the boat tail at the base of neck, has a shorter fatter powder column and is arguably a more efficient design, it's just missing a long neck. The 7mm rem mag is 82gr, 7 blaser is 82gr including the long neck, the 7mm wsm is right about the same capacity with a shorter neck than the prior 2, meaning it has more boiler room. If you're looking for more horsepower, you'll need a bigger case. The 7mm blaser improved will get another 4-5gr usable cap. Next step up is a 7mm-300 win mag which has around 90gr capacity, then you have the 28 nosler & 7 stw which are right around 100gr. [/QUOTE]
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7mm Blaser Mag Reloading Data
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