9mm Luger Upper Receivers

Aero Precision EPC-9 Builder Set with Lower Receiver, Upper Receiver, & Handguard - Custom Finish

Battle Arms Development Xiphos Upper Receiver AR-15 Compatible 9mm Stripped 7075-T6 Black Anodized

Mike-9 Enhanced Forward Charging Upper Receivers - Enhanced Mike-9 16in Upper

16" Slick Side Billet 9mm SOCOM 1:10 M-LOK Upper Assembly

Foxtrot Mike Products 7" Rear Charging 9mm AR-15 Complete Upper

Foxtrot Mike 16" Rear Charging 9mm AR-15 Complete Upper w/ 4-Port Micro Brake

Dirty Bird 8.3" Side-Charging 9mm M-LOK Complete Upper with LRBHO

NBS AR-9 Billet Upper Receiver for 9mm / .45

Foxtrot Mike Products 7" Rear Charging 9mm AR-15 Complete Upper

Foxtrot Mike 16" 9mm Front Charging Complete Upper w/ 4-Port Micro Brake

Aero Precision EPC-9 Builder Set w/ 7.3" ATLAS R-ONE Handguard - MTC Dark Camo

Foxtrot Mike Products 16" Rear Charging 9mm AR-15 Complete Upper

Quarter Circle 10 Ranger AR 9MM Pistol - 5.5"

Quarter Circle 10 Side Charging QC5 9MM PCC Builders Kit

Noveske Space Baby 9mm 5.5" SBR - Black

MCM Firearms 9MM Delta S DS9 Side Charging Integrally Suppressed Upper Assembly

Ke-9 Stripped Upper Receiver 9mm

JP Enterprises 9mm 6" Bbl Billet Lower with Top-Charge Billet Receiver Set JP-5 Ultralight Ready Rifle RR-JP5G940/TCUL

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 9mm 9x19 Para 16in Carbine Light HBAR Barrel 1-10 Twist 14in M-LOK Freefloat Handguard A2 Muzzle

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 9mm 9x19 Para 16in Carbine Light HBAR Barrel 1-10 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 9mm 9x19 Para 16in Carbine Light HBAR Barrel 1-10 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ar-15 9mm Upper Receivers M-Lok Assembled - Ar-15 Mike-9 5'''' 9mm Upper Receiver M-Lok Assembled Black

Foxtrot Mike 9mm, Rear Charging 5\" Upper with Micro Blast Diffuser - FM9U-R54-B

FM Products MIKE-9 9mm Complete Upper Receiver 23.75 inch 16 inch Barrel MIL-SPEC Rear Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black