SOLD 500.00 Armalite - AR-180B Lower Receiver with AK Skeleton Stock - (Ace Ltd) includes multiple Stormwerkz Stock Adapters and Folding Hinge. Delta / Surrey / Langley May 9, 2024 - 6:41 PM Wind_of_pain Armalite - AR-180B Lower Receiver with AK Skeleton Stock - (Ace Ltd) includes multiple Stormwerkz Stock Adapters and Folding Hinge. This is a unique, fun lower that will fit on first gen WK and Spec 180 uppers.