9mm Luger Upper Receivers

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Titanium

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Sniper Grey

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Midnight Bronze

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Coyote Tan

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green

Wraithworks WARSCORP9 Side-charging AR Pistol - Black | 9mm | 8.5" Barrel | 7" M-LOK Rail | Accepts Scorpion Mags | Installed BSFIII Trigger

Moriarti 9mm / 22LR / .40 Slick Side Upper Receiver No Forward Assist Black Anodized

OpticsPlanet Exclusive Moriarti AR-9 Upper Receiver Assembly 9mm Luger 16in M-LOK 1-10 Twist Diamond Cut Free-Float Handguard A2 Flash Hider Anodized

Moriarti OpticsPlanet Exclusive Pistol Upper Receiver AR-9mm 4.5inStraight 1-10 Twist 1/2x36 4in Diamond Cut MLOK Slim Profile Black

SIG SAUER CAL-X Kit SigMPX 9mm 6.5" G2

Kaw Valley Precision 4.5" 9mm Carbon Fiber Complete Upper

Guntec USA AR-15 9mm Dedicated Stripped Billet Upper Receiver Anodized Grey

Guntec USA AR-15 9mm Dedicated Stripped Billet Upper Receiver Rainbow

Guntec USA AR-15 9mm Dedicated Stripped Billet Upper Receiver Blue

Guntec USA AR-15 9mm Dedicated Stripped Billet Upper Receiver Purple

Guntec USA AR-15 9mm Dedicated Stripped Billet Upper Receiver Clear

TacFire AR-15 9mm Unassembled Upper Receiver Kit - 10"

TacFire AR-15 9mm Unassembled Upper Receiver Kit - 16"

TacFire AR-15 9mm Unassembled Upper Receiver Kit - 7"

Guntec USA AR-15 9mm Cal Complete Upper Receiver Combo Kit Black

X PRODUCTS 5.56/9mm Billet Assembled Side Charging Upper Blk

MAXIM SBR MD9 CQB 9MM 5.5IN BARREL 30RD ARID MD-CQB STOCK - ALG TRIGGER - RDB CQB BUFFER SYSTEM MXM-48164

Anderson Manufacturing AM-9 PCC 9mm Complete Upper Receiver with 16 Inch Barrel and 12 Inch M-LOK Handguard

Anderson Manufacturing AM-9 9mm Complete Upper Assembly with M-LOK Handguard and 8-Inch Barrel