Converting 223/5.56 brass

Hello my reloading family, I have some questions on whether or not some 223/5.56 brass I recently got can be converted back to standard 223/5.56, 300BO or

300 Blackout Brass - Converted LC 5.56 - Primed 500 count - Bobcat

RT1500 Case Trimmer Assembly

How To Convert 223/556 Brass to 300 Blackout - Jig, Trim and Cut

22 Nosler Overview: Cartridge, Ballistics, AR-15 Conversion

Converting .223(5.56) brass into 7.62x25 Tokarev TT-33 brass.

Nestor Pistor - Kishka Wrap

Once-Fired .223 Brass and 5.56 Brass

Idk what possessed me to sort the LC once fired from the federal

Forming 300 Blackout brass – Florida Reloading

223 Brass Processing: A Step-by-Step Guide - East Coast Reloading

I have an AR-15 chambered for .223 and 5.56mm ammunition. Can I

300 Blackout Case Cutting Trimming Jig