This Bushmaster 300 Blackout upper receiver is made of carbon steel and finished in black teflon. Its barrel is finish in parkerized black. Included is rifle length hand guards.
|Caliber||300 AAC Blackout/Whisper (7.62x35mm)|
|Barrel Material||Carbon Steel|
|Barrel Finish||Black Parkerized|
|Product Model||300 AAC Blackout Flat Top M4 Pre Ban|