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Partition是打elk和熊的弹头,对于鹿来说弹头太结实,来不及完全扩张传递能量就穿透了。winchester deer season xp这样打鹿的弹药,塑料弹尖大,弹头容易扩张传递能量
https://winchester.com/Products/Ammunition/Rifle/Deer-Season-XP
So what characteristics did deer hunters value most with their hunting ammo?
First, they wanted to minimize the distance a deer will run after the shot. Dropping a deer in its tracks would be ideal, but failing that, they wanted the shortest tracking job possible.
For that reason, Winchester prioritized rapid expansion in order to facilitate energy transfer and produce a large wound channel. However, even though rapid expansion was important, they still needed the bullet to penetrate deep enough to reach the vitals and exit the animal from most shooting angles.
Indeed, an exit wound increases the odds that a wounded deer leaves an easy-to-follow blood trail in the event the animal doesn't drop in its tracks.
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