How long does it take to get the tactical magnum?

Games Halo 5: Guardians
1

I’m just wondering because it’s only ultra rare and I’ve completed the silver packs… How long does it usually take to get it? Is it kinda like the DMR?

2

its rng man, no real time frame

3

Yeah, no way to tell when you’re going to get it.

It’s pretty awesome when you do unlock it though.