Home / Accessory-Lowers / Ruger LOWER RECEIVER AR-556 5.56MM View cart “Warrior Systems WSM15 BILLET LOWER BLACK” has been added to your cart. Sale! Ruger LOWER RECEIVER AR-556 5.56MM$12900 Original price was: $12900.$10883Current price is: $10883. Out of stock SKU: 8506 Category: Accessory-Lowers Product ID: 44730 Description Description Related products Sale! Wilson Combat RECEIVER SET AR-15 FORGED $26995 Original price was: $26995.$24830Current price is: $24830. Sale! Warrior Systems WSM15 BILLET LOWER BLACK $29900 Original price was: $29900.$22259Current price is: $22259. Sale! Wilson Combat RECEIVER SET AR-15 BILLET $48995 Original price was: $48995.$44111Current price is: $44111. Sale! Bushmaster BFSIII BUILT LOWER RECEIVER $59395 Original price was: $59395.$56913Current price is: $56913.