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Rifles, Reloading, Optics, Equipment
Reloading
Sako in 260 rem
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<blockquote data-quote="manitou" data-source="post: 1613023" data-attributes="member: 105280"><p>But... keep in mind that pressure can (and probably will) INCREASE when you get close to or into the lands. Bullets with jump before entering the lands have momentum before hitting the resistance of the lands. Bullets close to or into the lands do not have that advantage. Additionally, with hunting rounds a bullet into the lands can get pulled out of the case when unloading for transport... throwing a wrench into your hunt. I wouldn't recommend a handloading novice jamming into the lands until they have a full understanding of pressure affects, temperature affects etc. A small spike in pressure at 40 degrees can become a dangerous spike at 90 degrees... or from lot to lot variances in powder. For hunting, I find most bullets prefer 20-30 thousandths off the lands. Solid copper bullets (think ttsx and the like) and a few other exceptions like longer jumps... say 50-70 thousandths.</p></blockquote><p></p>
[QUOTE="manitou, post: 1613023, member: 105280"] But... keep in mind that pressure can (and probably will) INCREASE when you get close to or into the lands. Bullets with jump before entering the lands have momentum before hitting the resistance of the lands. Bullets close to or into the lands do not have that advantage. Additionally, with hunting rounds a bullet into the lands can get pulled out of the case when unloading for transport... throwing a wrench into your hunt. I wouldn't recommend a handloading novice jamming into the lands until they have a full understanding of pressure affects, temperature affects etc. A small spike in pressure at 40 degrees can become a dangerous spike at 90 degrees... or from lot to lot variances in powder. For hunting, I find most bullets prefer 20-30 thousandths off the lands. Solid copper bullets (think ttsx and the like) and a few other exceptions like longer jumps... say 50-70 thousandths. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Sako in 260 rem
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