Quick view Z300 'Blackout Series' 10" AR15 Pistol 300AAC Blackout Upper Receiver with 10" KeyMod GEN2 Free Float Rail $337.00 $199.00 Customize & Add Compare
Quick view Z300 'Blackout Series' 16" AR15 300AAC Blackout Upper Receiver with 10" KeyMod GEN2 Free Float Rail $327.00 $214.00 Customize & Add Compare
Quick view Z300 'Blackout Series' 16" AR15 300AAC Blackout Upper Receiver with 12" KeyMod GEN2 Free Float Rail $327.00 $214.00 Customize & Add Compare
Quick view Z300 'Blackout Series' 10" AR15 Pistol 300AAC Blackout Upper Receiver with 10" KeyMod GEN2 Free Float Rail Upper Receiver Barrel 10" 1/8 Twist, 300AAC Blackout Nitride Finish M4 Feed Ramps Upper Mil Spec Complete Upper Receiver M4 Feed Ramps, Ejection Port Cover Forward Assist Made from 7075-T6 Aluminum Gas Block Low Profile Gas... $337.00 $199.00 Customize & Add Compare
Quick view Z300 'Blackout Series' 16" AR15 300AAC Blackout Upper Receiver with 10" KeyMod GEN2 Free Float Rail Upper Receiver Barrel 16" 1/8 Twist, 300AAC Blackout Nitride Finish M4 Feed Ramps Upper Mil Spec Complete Upper Receiver M4 Feed Ramps, Charging Handle, Ejection Port Cover Forward Assist Made from 7075-T6 Aluminum Gas Block Low... $327.00 $214.00 Customize & Add Compare
Quick view Z300 'Blackout Series' 16" AR15 300AAC Blackout Upper Receiver with 12" KeyMod GEN2 Free Float Rail Upper Receiver Barrel 16" 1/8 Twist, 300AAC Blackout Nitride Finish M4 Feed Ramps Upper Mil Spec Complete Upper Receiver M4 Feed Ramps, Charging Handle, Ejection Port Cover Forward Assist Made from 7075-T6 Aluminum Gas Block Low... $327.00 $214.00 Customize & Add Compare
