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Bulk 300 black out brass

Can you open 5.56/.223 cases to .300? I have a few hundred 5.56 and i always get range pickings if you want an ongoing supply
 
Can you open 5.56/.223 cases to .300? I have a few hundred 5.56 and i always get range pickings if you want an ongoing supply
This is exactly how you make .300blackout. You cutdown 5.56.

Lots of youtube tutorials on how to make your own cutter and jig or just buy the dillon set up and you can make all the .300Blk brass you want.
 
Roofman, I've got 950'ish that I'd sell if you are interested.
 
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