ZRODelta M16 Performance Bolt Carrier Group 5.56/223/300BLK Nitride C158 Bolt w/ Billet Extractor Black Small. 56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor. These Bolt Carrier Groups from the expert product experts at ZRODelta are fashioned by using heavy duty and reliable components as a way to provide you with a product that will be useful for many years. Made using some of the very best accessible substances and engineering these Bolt Carrier Groups through the product professionals at ZRODelta can last an incredibly lengthy time. ZRODelta has been making high quality merchandise for a number of years and the ZRODelta 5.56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor is their particular way of showing you exactly how much they care. Here at OpticsPlanet we make it our obligation to receive the best solution for all your needs and presenting the ZRODelta 5.56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor is a thing that we are pleased to offer. Specifications for ZRODelta 5.56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor: Manufacturer: ZRODelta Color: Black Caliber: 5.56mm Gun Model: M16 Package Contents: ZRODelta 5.56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor What firearm models does the manufacturer say ZRODelta 5.56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor is compatible with? The manufacturer says that ZRODelta 5.56/223/300BLK M16 Performance Bolt Carrier Group w/ Billet Extractor is compatible with M16ZRODelta 7034-0040-0000: M16 Performance Bolt Carrier Group 5.56/223/300BLK Nitride C158 Bolt w/ Billet Extractor Black Small