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Rifles, Reloading, Optics, Equipment
Reloading
Mono metals minimum expansion comparison
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<blockquote data-quote="cohunt" data-source="post: 1636376" data-attributes="member: 94491"><p>So I read a test where a guy shot these same bullets in wet media.</p><p>Most expansion to least was</p><p>Lrx, etip, gmx, tsx, ttsx- but its gonna depend on caliber, cartridge and speed</p><p></p><p>For the tac-tx some are exactly the same as the ttsx, some are not-- the 110 tac-tx (30321) in 300bo is softer and has a larger expansion cavity than the # 30358 due to it being specifically for 300bo</p><p></p><p>BUT</p><p>Very few etips were accurate, barnes seems to foul more than hornady and other manufactures make monos with different lower expansion thresholds just for certain cartridges such as maker bullets and cavity back bullets.</p><p></p><p>Hammers are very easy to find accurate loads for and seem to run faster than like weight lead bullets</p><p></p><p>Some monos run slower than like weight lead core bullets others run faster due to the driving band design</p><p></p><p>Some are made to mushroom , some are made to shed petals</p><p></p><p>Not all monos are made equally ( just like lead core bullets)</p><p></p><p>All of them will retain weight better than a like weight lead core counterpart.</p><p></p><p>But one thing that they seem to all have in common is they like speed to perform better......1st type of speed is pure fps, more of it tends to cause a larger wound cavity with quicker knock down --- 2nd is twist rate, when the same .277 caliber monolithic bullet is shot at the same mv, the faster twist rate will induce more/quicker expansion of the bullet</p><p></p><p>For extreme long range hunting I feel lead core bullets may perform better with a higher bc due to their low expansion thresholds (I've seen as low as 1200fps advertised) but for most common hunting distances the monos work great</p><p></p><p>If you are looking for low velocity expanding monolithics you should look for ones designed for subsonic speeds ( there are some designed to open as low as 600fps--- but at those speeds you loose your energy so you must rely on expanded diameter to cut permanant wound cavities (like arrows do) rather than the "shock" of temporary wound channels like standard centerfire ammo does.</p></blockquote><p></p>
[QUOTE="cohunt, post: 1636376, member: 94491"] So I read a test where a guy shot these same bullets in wet media. Most expansion to least was Lrx, etip, gmx, tsx, ttsx- but its gonna depend on caliber, cartridge and speed For the tac-tx some are exactly the same as the ttsx, some are not-- the 110 tac-tx (30321) in 300bo is softer and has a larger expansion cavity than the # 30358 due to it being specifically for 300bo BUT Very few etips were accurate, barnes seems to foul more than hornady and other manufactures make monos with different lower expansion thresholds just for certain cartridges such as maker bullets and cavity back bullets. Hammers are very easy to find accurate loads for and seem to run faster than like weight lead bullets Some monos run slower than like weight lead core bullets others run faster due to the driving band design Some are made to mushroom , some are made to shed petals Not all monos are made equally ( just like lead core bullets) All of them will retain weight better than a like weight lead core counterpart. But one thing that they seem to all have in common is they like speed to perform better......1st type of speed is pure fps, more of it tends to cause a larger wound cavity with quicker knock down --- 2nd is twist rate, when the same .277 caliber monolithic bullet is shot at the same mv, the faster twist rate will induce more/quicker expansion of the bullet For extreme long range hunting I feel lead core bullets may perform better with a higher bc due to their low expansion thresholds (I've seen as low as 1200fps advertised) but for most common hunting distances the monos work great If you are looking for low velocity expanding monolithics you should look for ones designed for subsonic speeds ( there are some designed to open as low as 600fps--- but at those speeds you loose your energy so you must rely on expanded diameter to cut permanant wound cavities (like arrows do) rather than the "shock" of temporary wound channels like standard centerfire ammo does. [/QUOTE]
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Mono metals minimum expansion comparison
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