Jesus wept, the skies got dark, MrFix made another blogpost.
GURPS Homebrew: Tactical Carbine - Fix for the issue of Tactical Carbines etc having same bulk as assault rifles, making them pretty much a worse choice within GURPS.
There's also Gun Trivia that I forgot to post about.
Gun Trivia - Curious things and tidbits that I imagined in my spare time.