Never had any go bad sitting. I would hold on to it until I could find some new to take it's place. It is still available but out of stock most places now due to high demand . It will come back but there's no telling when and it won't likely set on the shelf long. Ask your local dealer to order you some and call you when and if he gets it so he will hold what you want out. If it hits the shelf it will be luck if you get it otherwise. That's why I load mine instead of buying it.

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Grumpy Old Man With a Gun