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

Complete Uppers

Lower Receivers

Harrington & Richardson M16A1 Style Complete Lower, Gray - Harrington & Richardson

Harrington & Richardson M16A1 Style Complete Lower, Gray

Harrington & Richardson

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

Harrington & Richardson Complete Commando, XM177E1 10" Gray Pistol

Harrington & Richardson

BLEM Harrington & Richardson 733 Complete 11.5" Upper, Black - Harrington & Richardson

BLEM Harrington & Richardson 733 Complete 11.5" Upper, Black

Harrington & Richardson

Harrington & Richardson Fixed Stock A2 Carbine, Pencil Profile, Black

Harrington & Richardson

Harrington & Richardson Complete Gray Commando Lower, 2 position tube, Authentic Aluminum Stock - Harrington & Richardson

Harrington & Richardson Complete Gray Commando Lower, 2 position tube, Authentic Aluminum Stock

Harrington & Richardson

Harrington & Richardson BLEM Retro M16A1 Style 20" 5.56 1/12 Rifle, Black - Harrington & Richardson

Harrington & Richardson BLEM Retro M16A1 Style 20" 5.56 1/12 Rifle, Black

Harrington & Richardson

H&R Retro M16A1 barrel assembly 1/7 twist - Harrington & Richardson

H&R Retro M16A1 barrel assembly 1/7 twist

Harrington & Richardson

Harrington & Richardson M16A2 Upper Receiver, Complete, Black - Harrington & Richardson

Harrington & Richardson M16A2 Upper Receiver, Complete, Black

Harrington & Richardson

Harrington & Richardson 20" M16A1 Pencil Barrel, 5.56, 1/7,Parkerized, CH Bore, Stripped - Harrington & Richardson

Harrington & Richardson 20" M16A1 Pencil Barrel, 5.56, 1/7,Parkerized, CH Bore, Stripped

Harrington & Richardson

Harrington & Richardson Late 604 "Airforce" Rifle, 1/12 Twist, Gray - Harrington & Richardson

Harrington & Richardson Late 604 "Airforce" Rifle, 1/12 Twist, Gray

Harrington & Richardson

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

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

Harrington & Richardson

Harrington & Richardson Government Carbine, Pencil Profile, A2 Rifle, Black

Harrington & Richardson

Harrington & Richardson M16A2 Style Complete Lower - Harrington & Richardson

Harrington & Richardson M16A2 Style Complete Lower

Harrington & Richardson

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

Harrington & Richardson BLEM M16A2 Chrome Lined Complete Upper, Gray

Harrington & Richardson

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

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

Harrington & Richardson

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

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

Harrington & Richardson

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

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

Harrington & Richardson

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 1:7 Rifle Length, Gray

Harrington & Richardson

BLEM Harrington & Richardson Late 604 "Airforce" Rifle, 1/12 Twist, Gray - Harrington & Richardson

BLEM Harrington & Richardson Late 604 "Airforce" Rifle, 1/12 Twist, Gray

Harrington & Richardson

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

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

Harrington & Richardson

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

BLEM Harrington & Richardson C7 Complete 20" Upper, Black

Harrington & Richardson

Harrington & Richardson M16A1 Lower Parts Kit, Gray - Harrington & Richardson

Harrington & Richardson M16A1 Lower Parts Kit, Gray

Harrington & Richardson

Harrington & Richardson M16A2 Chrome Lined Rifle, Woodland - Harrington & Richardson

Harrington & Richardson M16A2 Chrome Lined Rifle, Woodland

Harrington & Richardson

Harrington & Richardson XM177E1 10" 5.56 1/7 Pistol, Tiger Stripe - Harrington & Richardson

Harrington & Richardson XM177E1 10" 5.56 1/7 Pistol, Tiger Stripe

Harrington & Richardson

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