Guns Rifles Parts Guns Rifles Advanced Technology A AR Castle Nut Mil Spec Steel Black | 498 | 0 | ?t=&sft=<id=&co=&og=&ong=&to=&lid=&cid=498&as=&mn=&mx=&f=&ca=&ffl=&oi=&dn=&zipcode=&distance=&limittostate=&pagenum=1&numberperpage=12&sort=&local=&sold=0&sku=&upc=&bl=&gf=&ff=&distributorid=&manufacturer=&model=Lc | 15.6202ms See All Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black For Sale from: huntingstuff ( FFL) | Positive feedback: 95% View | Verified Seller | 946 Completed Sales View Sellers Items Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black For Sale from: huntingstuff | Positive feedback: 95% View | Verified Seller | 946 Completed Sales View Sellers Items huntingstuff Seller Since: Jul. 2015 Identity Verified ( Salem, IL ) This seller is an FFL City: Salem State: IL ENDED - $9.99 Shipping: $4.99 (or Arrange local transfer) Accepted Payment Methods: Returns: This Seller Accepts Instant Online Payments Description: This steel AR-15 castle nut is virtually indestructible and works with commercial, military, and hybrid buffer tubes. It fits most AR-15s and AR variants, but it is not compatible with 308 rifles. Condition: New In Box Brand: Advanced Technology International Model: A5101020 Item #: 911907204 Stock No.: 758152900067 Location: IL Trades Accepted: No Qty: 3 Available Share: Shipping Notes: NEW IN BOX California Buyers: We are unable to charge sales tax on California orders through GunsAmerica. Please call us at to make payment on the sales tax portion of your order. Orders to California residents will not be shipped until the sales tax is paid. Items You've Viewed Recently Advanced Technology A5101020 AR-15 Castl... $9.99 SELLER: huntingstuff (FFL Dealer) Add To Cart