Magpul just announced today their new fixed carbine stock is shipping to dealers and distributors. The MOE Fixed Carbine Stock is a non-collapsing stock that will fit most A5 length buffer tubes (a.k.a. receiver extensions.) Installation is non-armorer level and does not require the removal of the castle nut. The stock weighs 8.9 ounces and has a 12.375-inch length of pull, and will be available in mil-spec and commercial receiver extension models. Initially available in black, with other standard colors to follow.