ZRODelta M16 Enhanced Bolt Carrier Group 5.56/223/300BLK Nitride C158 Bolt w/ Billet Extractor Black Small. 56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor. Established by using several of the most extremely heavy duty and long lasting components in existence these Bolt Carrier Groups via ZRODelta will present you with an item which will give years of stability. ZRODelta has been developing superior quality merchandise for a number of years and the ZRODelta 5.56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor is their very own way of showing you how much they are concerned. Right here at OpticsPlanet we ensure that it is our obligation to get the perfect solution for your needs and featuring the ZRODelta 5.56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor is one thing that we're delighted to offer. Specifications for ZRODelta 5.56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor: Manufacturer: ZRODelta Color: Black Finish: Nitride Caliber: 5.56mm Gun Model: M16 Last Chance: Yes Package Contents: ZRODelta 5.56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor What firearm models does the manufacturer say ZRODelta 5.56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor is compatible with? The manufacturer suggests that ZRODelta 5.56/223/300BLK M16 Enhanced Bolt Carrier Group w/ Billet Extractor is compatible with M16ZRODelta 7034-0036-0000: M16 Enhanced Bolt Carrier Group 5.56/223/300BLK Nitride C158 Bolt w/ Billet Extractor Black Small