Carbine/H/H2/Rifle Buffers Compared – Vuurwapen Blog – Most AR shooters don’t know or don’t care about buffer weight. It doesn’t alarm them that most AR-15 carbines ship with the wrong buffer weight, but it should. Vuurwapen Blog has posted some excellent videos that show how the different buffer types behave.
Camo Comparison II – ITS Tactical – ITS really hit this one out of the park. They compared several different camo patterns in real world environments and posted a massive number of pics so that you can be the judge of what works.
Uncrackable DIY Pencil-and-Paper Encryption – ITS Tactical – If you value your privacy, this may be a handy tool for you to have in your tool box.