Home / Parts / Lower Parts / Small Parts / BUFFER RETAINER PIN Sale! BUFFER RETAINER PIN$449 Original price was: $449.$199Current price is: $199. BUFFER RETAINER PIN quantity Add to cart Category: Small Parts Product ID: 2257 Description Description Buffer Retainer Pin: Mil-Spec Black Oxide Coated Packaging Options: Bulk packaging: Multiple items per bag Retail packaging: Individually bagged Related products Sale! DETENT – SELECTOR $349 Original price was: $349.$149Current price is: $149. Sale! BOLT CATCH $895 Original price was: $895.$499Current price is: $499. Sale! POLYMER TRIGGER GUARD $1399 Original price was: $1399.$599Current price is: $599. Sale! SPRING – MAGAZINE CATCH $299 Original price was: $299.$099Current price is: $099.