Stern Defense 16.1" 9MM Complete Upper Receiver

Made In The Usa: Made In The Usa
Other Features:: Complete Upper Includes Bolt, 15" Mod 4 M-lok Handguard, Glock Cut Upper Ready For Glock Cut Lowers Or For Use With Stern Adapters
Caliber: 9mm
Barrel Length In Inches: 16.1
Rate Of Twist: 1:10"
Barrel Material: Steel
Barrel Finish: Melonite