Progress on My First 300 Blackout Reloads

R

RangeHot

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Jun 25, 2025
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I've been diving into reloading for 300 Blackout and just finished my initial batch of handloads. I'm focusing on subsonic loads and experimenting with different powders. I'd love to hear about others' experiences with this caliber and any load data you recommend.
 
If you're getting started with A1680 and using 220gr bullets, I'd suggest starting with a load somewhere between 10.5 and 11.2 grains. Just take your time and work your way up slowly.
 

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