Converting 5.56 to 300 blackout

[cityrice]

Here's a short video of my current process.

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[HighlandLofts]

What is that T-Handle you used to put the case in for the prep machine?

 

[cityrice]

What is that T-Handle you used to put the case in for the prep machine?

It's a ratchet bit holder that came with one of my cheap electronic bit tool set, I just pop the lee lock stud on it.

 

[JuglansRegia]

Interesting, l made a 10 cavity v-block out of walnut and l trim them to a rough length first,(on a mill) then l anneal, then resize, trim to final length then do the usual case prep.

 

[cityrice]

Interesting, l made a 10 cavity v-block out of walnut and l trim them to a rough length first,(on a mill) then l anneal, then resize, trim to final length then do the usual case prep.

Nice to hear about other methods of doing it. I was planning on annealing the converted brass after the first firing, but now I might anneal after the rough cut with jig.

 

[DDRanch]

I use a Dillon RT-1500 with a Dillon carbide trim die. One pull does it all.

 

[cityrice]

I use a Dillon RT-1500 with a Dillon carbide trim die. One pull does it all.

Good to know for when I upgrade to a 750 that would be pretty slick