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Posted On: 3/24/2021
By: Samuel Harris
A: Thanks for reaching out Samuel! The Hydra-Shok has a unique center post inside of its hollow point nose cavity. The HST lacks that feature.
Posted On: 12/24/2019
By: Greg
A: Hi Greg. Thanks for looking to LuckyGunner.com for your ammo needs. These will be standard pressure 9mm rounds.
Posted On: 12/21/2019
By: John ziegler
A: The secondary "explosion" shown on the high speed footage is caused by the rapid expansion and then compression of the cavity. The air is super heated when it contracts that fast and the oxygen gets hot enough to combust, this causing what looks like an explosion.