Dogfish gave you all the right scoop on what's legal.

Personally, I like the T/C Black Diamond XLR. I think you'd have a hard time beating the quality for the price, but then we all have our favorites.

I make sure my hunting muzzleloaders use musket caps because they burn so much hotter than standard #11 caps.

You might do a little research and then post the model you intend to buy here. I'm sure one or more of us could verify that it's legal in Washinton.

Good luck,
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Thanks,

Fisherdan