Upper Receivers

Rock River Arms Upper Receiver EOP .223 Wylde 24 Inch Barrel Varmint Profile 1-12 Twist Free-Float Handguard Black

Rock River Arms Upper Receiver EOP .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black

Rock River Arms Upper Receiver EOP .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black

Rock River Arms Upper Receiver EOP .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black

Rock River Arms Completed Upper Receiver National Match A4 .223/5.56mm 16 Inch Barrel Competition Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard

DoubleStar Complete Upper Receiver .22 Nosler 24 inch Barrel Bull Profile Diamond National Free Float Handguard Black

NOVESKE GEN 4 SHORTY SBR 10.5 INCH 300 Bazooka Green

CMMG Upper Group Dissent Mk3 .308Win 16.1in Empire Profile Non-Threaded Armor Black

CMMG Upper Group Dissent 9Mm 16.1in Empire Profile Non-Threaded Midnight Bronze

CMMG UPPER GROUP DISSENT Mk4 5.56mm 16.1in Empire Profile Non-Threaded Armor Black

Volquartsen 10/22 Receiver Matte Black with Universal Red Dot Mount

Aero Precision MOD4 15 18 Inch 223 Wylde PROOF 5.56x45MM M4E1-T Complete Upper Receiver Kodiak Brown

Aero Precision M4E1-T PRO CHF M4 5.56mm 13.9 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Kodiak Brown

Aero Precision M4E1-T PRO CHF M4 5.56mm 13.9 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized OD Green

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in M-LOK Upper Receiver Government CMV Mid Length 1-7 Twis 1/2 x 28 A2 Flash Hider 12.7in Enhanced

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in M-LOK Upper Receiver Government CMV Mid Length 1-7 Twis 1/2 x 28 A2 Flash Hider 12.7in Enhanced

Aero Precision M4E1 AR15 5.56mm 8in M-LOK Threaded Upper Receiver Pistol Length 1-7 Twist 1/2x28 A2 Flash Hider 7.3in M-LOK S-ONE Handguard Cerakote

Aero Precision M5E1 .308 Winchester 20 inch M-LOK Upper Receiver CMV Rifle Length 1-10 Twist 5/8x24 15in Free-Float Handguard Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Cerakote FDE

Ar-15 Stripped Receiver Set Ral8000

Aero Precision EPC-9 Enhanced Complete Upper Receiver 16in 9mm EM-15in Handguard FDE

Aero Precision M4E1 Builder Set w/ ATLAS R-ONE Handguard

Aero Precision M5E1 .308 Winchester 20 inch M-LOK Upper Receiver SS Rifle Length 1-10 Twist 5/8x24 15in Free-Float Handguard Anodized Black

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black