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Browse Harrington & Richardson 5.56×45mm NATO Complete Uppers for sale at the lowest prices online.

Complete Uppers

Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray - Harrington & Richardson

Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Harrington & Richardson

Harrington & Richardson M16A2 TIA 10" Complete Pistol Upper - Harrington & Richardson

Harrington & Richardson M16A2 TIA 10" Complete Pistol Upper

Harrington & Richardson

Harrington & Richardson Commando Style 12.5" Complete Upper with BCG and Charging Handle - Harrington & Richardson

Harrington & Richardson Commando Style 12.5" Complete Upper with BCG and Charging Handle

Harrington & Richardson

Harrington & Richardson Retro 723 16" AR-15 Upper 5.56 1:7 Carbine Length - Harrington & Richardson

Harrington & Richardson Retro 723 16" AR-15 Upper 5.56 1:7 Carbine Length

Harrington & Richardson

Harrington & Richardson 604 "Air Force" Complete Upper, 1/12, Black - Harrington & Richardson

Harrington & Richardson 604 "Air Force" Complete Upper, 1/12, Black

Harrington & Richardson

Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:7 Rifle Length, Gray - Harrington & Richardson

Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:7 Rifle Length, Gray

Harrington & Richardson

Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:12 Rifle Length, Gray. - Harrington & Richardson

Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:12 Rifle Length, Gray.

Harrington & Richardson

Harrington & Richardson C7 Complete 20" Upper, Black - Harrington & Richardson

Harrington & Richardson C7 Complete 20" Upper, Black

Harrington & Richardson

Harrington & Richardson M16A2 Chrome Lined Complete Upper, Black - Harrington & Richardson

Harrington & Richardson M16A2 Chrome Lined Complete Upper, Black

Harrington & Richardson

BLEM Harrington & Richardson Late 723 16" Upper, 5.56, 1:7 Gray, C7 - Harrington & Richardson

BLEM Harrington & Richardson Late 723 16" Upper, 5.56, 1:7 Gray, C7

Harrington & Richardson

Harrington & Richardson BLEM M16A2 Chrome Lined Complete Upper, Black - Harrington & Richardson

Harrington & Richardson BLEM M16A2 Chrome Lined Complete Upper, Black

Harrington & Richardson

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

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

Harrington & Richardson

Harrington & Richardson BLEM Government M16A2 Carbine Complete Upper, Black - Harrington & Richardson

Harrington & Richardson BLEM Government M16A2 Carbine Complete Upper, Black

Harrington & Richardson

Harrington & Richardson Government M16A2 Carbine Complete Upper, Black - Harrington & Richardson

Harrington & Richardson Government M16A2 Carbine Complete Upper, Black

Harrington & Richardson

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

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

Harrington & Richardson

Blem Harrington & Richardson XM177 10" Complete Pistol Upper, Gray - Harrington & Richardson

Blem Harrington & Richardson XM177 10" Complete Pistol Upper, Gray

Harrington & Richardson

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

Harrington & Richardson XM177E1 10" Complete Pistol Upper, Gray

Harrington & Richardson

Harrington & Richardson BLEM Retro 653 16" 5.56 Carbine-Length AR-15 Upper w/ 1:7 Twist - Harrington & Richardson

Harrington & Richardson BLEM Retro 653 16" 5.56 Carbine-Length AR-15 Upper w/ 1:7 Twist

Harrington & Richardson

Harrington & Richardson BLEM Retro 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray - Harrington & Richardson

Harrington & Richardson BLEM Retro 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray

Harrington & Richardson

Harrington & Richardson Late 723 16" Upper, 5.56, 1:7 Gray, C7 - Harrington & Richardson

Harrington & Richardson Late 723 16" Upper, 5.56, 1:7 Gray, C7

Harrington & Richardson

Harrington & Richardson XM177 10" Complete Pistol Upper, Gray - Harrington & Richardson

Harrington & Richardson XM177 10" Complete Pistol Upper, Gray

Harrington & Richardson

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

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

Harrington & Richardson

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

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

Harrington & Richardson

Harrington & Richardson Retro 653 16" 5.56 Carbine-Length AR-15 Upper w/ 1:7 Twist - Harrington & Richardson

Harrington & Richardson Retro 653 16" 5.56 Carbine-Length AR-15 Upper w/ 1:7 Twist

Harrington & Richardson

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