A while back I put up a post on what’s needed for a basic gunshot wound kit. That post came about because of my strong belief that folks who shoot regularly need to have one of these in their range bag, as well as the training on how to use them. My kit includes the very basics and was could fit in a quart-sized ziplock bag.
One of the things in the kit is the Hyfin Chest Seal. The seals I bought expired in August So I ordered new ones.
They’ve changed, slightly:
The new ones are a little larger than the old ones. The first thought I had was that I ordered a different size, but they have the same National Serial Number:
Now, I’m sure there is a really good reason for the size change. The guys who make these know a whole lot more about it than I do so I don’t want this to come across as a complaint. But it does present a problem for me:
The new seals don’t fit in a quart-sized ziplock bag.
Again, not a complaint, but I did want to put this FYI out there for anyone who built their kits using my post.
Update to the update:
I contacted the manufacturer and asked them if folding/creasing the seals will damage them, and why they made them larger. The response I got was:
1 – The Chest can be folded and creased without adverse effect in performance or quality.
2- More surface area coverage was desired by our customers according to feedback that we have received.
So that settles that. Now go ponder what the implications of #2 are…
mounted in a 
a while back for my M&P15-22, but it didn’t quite work out. I also have a 
in some 
*
for the P-223 on Farmdad’s recommendation. More on that later, as I’m playing musical gun parts with pretty much all my rifles right now.
, which came with a mounting plate for the rifle stock, but since apparently this stock is hollow I’m not sure how that’s all going to work out. 
gives me mixed feelings, and there’s a reviewer who says it doesn’t work with the takedown model.