WTT: RARE New SIG 550/551/552 10/30 Transparent Magazines

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I'm looking to sell a couple of brand new SIG 550/551/552 Swiss magazines. These are impossible to find, let alone new and that are CA compliant. You can only get these on gunbroker.com for $100 and won't ship to CA because they're not CA legal.I'm looking to trade for 9MM, .223, or 5.56 plinking ammo. I'm located in Corona.