Wolfpack Armory Upper Receiver Side Charging Stripped Rifle Caliber Black

Wolfpack Armory Upper Receiver Side Charging Stripped Rifle Caliber Black. 458 SOCOM 450 Bushmaster and .50 Beowulf. Cam pin included to adapt to standard mil spec Bolt Carrier Group Specifications for Wolfpack Armory Side Charging Stripped Rifle Caliber Upper Receiver: Manufacturer: Wolfpack Armory Color: Black Finish: Billet Aluminum Caliber: .50 Beowulf .458 SOCOM .450 Bushmaster Gun Make: AR Platform Gun Model: AR-15 Condition: New Package Contents: Wolfpack Armory Side Charging Stripped Rifle Caliber Upper Receiver What firearm models does the manufacturer say Wolfpack Armory Side Charging Stripped Rifle Caliber Upper Receiver is compatible with? The manufacturer says that Wolfpack Armory Side Charging Stripped Rifle Caliber Upper Receiver is compatible with AR-15Wolfpack Armory NRSC-RC: Upper Receiver Side Charging Stripped Rifle Caliber Black