I'm shooting a Savage bolt action with a Shilen 300-221 barrel. I had some Sierra 125 gr FNHP bullets on hand and loaded them in front of 17.5 grains of Lil Gun powder backed by a Wolf small rifle primer. The load worked so well that I've seen no reason to try anything else. I'm only using it for a fun/varmint gun right now and have had a blast with it. Eventually I will develop some loads with pointed bullets and also a load for deer. Anyone out there that is thinking about building a 300 Whisper. My advice would be "Do it". It is lots of fun.
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