Sharps Rifle Company Low Mass Xtreme Performance Bolt XPB Carrier Group (BCG)

The Low Mass Sharps Xtreme Performance Bolt (XPB) Carrier Group BCG Complete is comprised of their patented Relia-Bolt and their Special Low Mass Balanced Bolt Carrier. Low Mass Carrier is 1.7 ounces lighter than the Full Mass Carrier. Made specifically for competition shooters. Specifications for Sharps Rifle Company Low Mass Xtreme Performance Bolt XPB Carrier Group (BCG): Manufacturer: Sharps Rifle Company Color: Black Finish: DLC Fabric/Material: Steel Cartridge: .223 Remington Gun Make: AR Platform Gun Model: M16, M4, AR-15 Carrier Material: S7 Tool Steel Features of Sharps Rifle Company Low Mass Xtreme Performance Bolt XPB Carrier Group Batch MPI and HPT tested Tensile Strengths of 1550-1600 mpa, or 220,000-235,000 psi. Toughness over 200ft/lb Charpy C-Notch HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310 Package Contents: Sharps Rifle Company Low Mass Xtreme Performance Bolt XPB Carrier Group