Get from Amazon : http://www.amazon.com/gp/product/B00A2O9UFA?tag=wayofcats-20
Armasight SKB Mil-Standard Hard Shipping/Storage Case #102 for Rifle Scopes and Clip-On Systems
For Rifle Scopes and Clip-On Systems F200
Come with an O-ring gasket
Breather valve rated IP-67
MIL-STD-648C
Foam filled :