RDB Bullpup Rifle
Riffing off of iamscottasus' velcro mud cover for the ejection port and Holescreek's versatile, el-cheapo brass catcher, I made a velcro brass catcher and cover.
It's a scary black color so it's tactical and soon to be outlawed (it's so scary).
Some pics (notes below):
El-Cheapo Brass Catcher...