Is muzzle velocity really that important?
I don’t really think so, but that’s just me. All these SHTF scenarios are kinda cute, but I think too many people get all wound up over some pretty insignificant things. If push ever came to shove, I’m pretty sure there’s going to be a laundry list of things that are more important that the inch and a half that you don’t have on your barrel and the 150fps slower your bullet is going.
That said, I went with the 14.5-inch barrel on my first M4 and a permanently attached flash hider to keep it all over 16-inches. I think the 14.5-inch barrel looks
more cooler and the flash hider I have serves a purpose other than being 1.5-inhes long. That’s just me though; I’m into killing tin cans in the mud going after the elusive bottle of tannerite.
The plain ole fashion K.I.S.S. A2 rifle is also a must have for me. The bullets get to the tin can soo much faster with that 20-inch barrel, it’s unbelievable.
Have fun and be safe out there.