How to open a Spam Can

I’m taking a carbine course this weekend and expect to burn through 800+ rounds of 223 with my 11.5″ AR15. I’m not really into blowing through that many reloads when I can’t find powder to make more, and factory ammo is going for 50 cents around or more. At one of my local shops I found spam cans of Norinco 223 brass cased 55 grain  full metal jacket. Each can holds 800 rounds and was selling for $240. Crates of two cans were also available.

Norinco 223 Ammo

Norinco 223 Ammo

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