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Rifles, Reloading, Optics, Equipment
Gunsmithing
Lug setback? What am I missing?
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<blockquote data-quote="Rhovee" data-source="post: 1820521" data-attributes="member: 101820"><p>One of the big issues is lug surface area. On Lapua sized actions some manufactures left everything the same, but increased the bolt diameter which reduced the lug size. It's like putting fat tires on a truck so you don't sink in the mud. A .720-.730 size bolt with larger lug area like a Bat HR with larger threads is superior. If you think about it, the psi is same on a 6ppc and 338 Lapua, the Lapua is burning 70-80 grains more powder and the case has more area on action. Like a bus or a Prius both driving 60'mph and hit a wall.</p></blockquote><p></p>
[QUOTE="Rhovee, post: 1820521, member: 101820"] One of the big issues is lug surface area. On Lapua sized actions some manufactures left everything the same, but increased the bolt diameter which reduced the lug size. It’s like putting fat tires on a truck so you don’t sink in the mud. A .720-.730 size bolt with larger lug area like a Bat HR with larger threads is superior. If you think about it, the psi is same on a 6ppc and 338 Lapua, the Lapua is burning 70-80 grains more powder and the case has more area on action. Like a bus or a Prius both driving 60’mph and hit a wall. [/QUOTE]
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Gunsmithing
Lug setback? What am I missing?
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