Harrington & Richardson AR-15 Parts & Accessories

Harrington & Richardson is a corporate/investor-backed company that has been manufacturing a comprehensive line of competition/performance-oriented AR-15 parts, including barrels and lower receivers, for over 20 years. Their products are assembled in the USA.

Harrington & Richardson has been in business for 20+ years.

Manufacturing origin: Assembled in USA.

Market positioning: Competition / Performance.

Harrington & Richardson has 331 products available on GunPartPicker, ranging from $3.99 to $1099.99.

Harrington & Richardson Product Categories

  • Lower Receiver: 162 products
  • Upper Receiver: 144 products
  • Stock & Brace: 7 products
  • Barrel: 4 products
  • Charging Handle: 4 products
  • Bolt Carrier Group: 4 products
  • Iron Sights: 2 products
  • Safety: 1 product
  • Buffer: 1 product
  • Trigger Guard: 1 product
  • Magazine Release: 1 product

Stock status: 49 in stock, 282 out of stock.

Harrington & Richardson logo

Harrington & Richardson

331
Products
2
Retailers
Best overall: Palmetto State Armory
$4 – $1100
Price Range
Best value: Palmetto State Armory
92%
In Stock
49 of 53 listings

Harrington & Richardson in August 2026

Harrington & Richardson ranked #77 of 319 brands on GunPartPicker in August 2026, just behind Franklin Armory, with about 1 in every 500 parts builders added. Down from #64 in July. Builders reached for Harrington & Richardson mostly for lower receiver parts. The most added single part was the H&R Retro Charging Handle, Gray Anodized, on top again this month.

Upper receivers were the busiest Harrington & Richardson category in August: 18 products came back in stock, several more than once. Demand for lower receivers slipped about 20% on July. About 15% of the 331 Harrington & Richardson products we track are in stock today.

Also popular this month: Harrington & Richardson XM607 Complete Lower, Harrington & Richardson Retro M16A1 Lowers Receiver, Gray, Harrington & Richardson 635 Stripped Lower, Black and Harrington & Richardson M16A2 Style Complete Lower.

All Harrington & Richardson monthly updates →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers

Harrington & Richardson products

About Harrington & Richardson

Harrington & Richardson is a corporate/investor-backed company that has been manufacturing a comprehensive line of competition/performance-oriented AR-15 parts, including barrels and lower receivers, for over 20 years. Their products are assembled in the USA.

Brand Overview

Products331
PositioningCompetition / Performance
ManufacturingAssembled in USA
WarrantyLimited Warranty
OwnershipCorporate / Investor-Backed
Established20+ Years
Price TierPremium
Price Range$4 – $1100
In Stock49 of 331 (15%)

Available At

Sportsmans Outdoor SuperstoreDirty Bird IndustriesAR15 DiscountsB Kings FirearmsPalmetto State Armory

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