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I tried Trailboss for my AR 16", carbine gas location with 220gr and 200gr. I filled past the shoulders into the neck and compressed greatly and they stayed sub-sonic and burned too fast for the action to work. 9.5 grs of Win 296 works great with 220gr RN and burns clean.
Last edited by Fritzcat; 01-21-2010 at 04:49 AM.
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