223 Remington Upper Receivers

Harrington & Richardson BLEM "Slickside" 20" Complete Upper, Gray 1/7 Twist

Harrington & Richardson "Slickside" 20" Complete Upper, Gray 1/7 Twist

Harrington & Richardson BLEM 14.7" "Slickside" Upper Receiver

Harrington & Richardson BLEM Retro 604 "Air Force" Complete Upper Receiver, Black 1/7 Twist

Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, Black 1/7 Twist

BLEM Harrington & Richardson DMR Complete 20" Upper, 1/7, Black

Harrington & Richardson C7 Stripped Upper Receiver, Gray

BLEM Harrington & Richardson 11.5" XM177E2 Complete Pistol Upper, Gray

Harrington & Richardson 11.5" XM177E2 Complete Pistol Upper, Gray

Harrington & Richardson XM177 10" Complete Pistol Upper, Gray

Blem Harrington & Richardson XM177E1 10" Complete Pistol Upper, Gray

Harrington & Richardson XM177E1 10" Complete Pistol Upper, Gray

Harrington & Richardson BLEM M16A2 Chrome Lined Complete Upper, Gray

Harrington & Richardson BLEM M16A2 Stripped Upper Receiver w/ M4 Feed Ramp, Black

Harrington & Richardson BLEM XM16E1 Complete Upper, Gray, 1/7

Harrington & Richardson XM16E1 Complete Upper, Gray, 1/7

BLEM Harrington & Richardson M16A2 Complete Upper W/ 20" FN Hammer Forged Barrel, Gray

BLEM Harrington & Richardson Early 604 Style Slick Side 20" Upper, Black

Harrington & Richardson Early 604 Style Slick Side 20" Upper, Black

Harrington & Richardson BLEM M16A2 Complete Upper w/ 20" FN Hammer Forged Barrel

Harrington & Richardson BLEM M16A2 Stripped Upper Receiver, Black

PSA "M16A4" 20" Quad Rail Upper w/ BCG & CH

PSA "M4A1" 14.5" P&W Quad Rail Upper w/ BCG & CH

PSA Guardsman-15 16" Midlength 1/7 CL Phosphate 15" MLOK Upper with BCG & CH, FDE