.17hmr subsonic ammo

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sniper60
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.17hmr subsonic ammo

Post by sniper60 » Sun Aug 30, 2015 2:12 pm

Is subsonic .17hmr ammo manufactured and available to the everyday shooter?
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sucker76
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Re: .17hmr subsonic ammo

Post by sucker76 » Sun Aug 30, 2015 2:36 pm

I haven't seen any. At speeds<1050fps, 22lr will be more effective. A 17HMR uses a 17gr or 20gr bullet. A 22lr uses ~40gr bullet. 17gr bullet at 1050=42ft/lb energy. 40gr bullet at 1050=98ft/lb energy.
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TROOPER
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Re: .17hmr subsonic ammo

Post by TROOPER » Tue Mar 22, 2016 8:46 am

Given the caliber, mass, and velocity... you're literally describing a pellet-gun.

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