Just to let everyone know, the new firing arc stickers are back in stock and are available for purchase again. Same price: $15 for 16 stickers, or $1 each plus shipping.
Here's the old ones vs the new ones so you can see the difference:
Old sticker on the left, new one on the right.
I made the outer line around the rim slightly larger, corrected the incorrect firing arcs, and enlarged the central hole a bit. I also put a "V2" on the right side so you can tell the new ones apart from the old ones, should you encounter any out there.
Here's the old ones vs the new ones so you can see the difference:
Old sticker on the left, new one on the right.
I made the outer line around the rim slightly larger, corrected the incorrect firing arcs, and enlarged the central hole a bit. I also put a "V2" on the right side so you can tell the new ones apart from the old ones, should you encounter any out there.