Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:7 Rifle Length, Gray
All Harrington & Richardson upper receivers4 options
- Blackfrom $649.99, in stock
- Blem · Blackout of stock
- Blem · Gray, this page
- Grayfrom $699.99, in stock
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Harrington & Richardson
Overview
The Blem Harrington & Richardson Retro M16A1 Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 20-inch barrel optimized for 5.56 NATO caliber. With a rifle-length gas system and a 1:7 twist rate, this upper is tailored for improved stability and accuracy with a variety of bullet weights, making it suitable for both precision shooting and reliable function. This upper assembly is commonly found in retro-style builds that pay homage to the classic M16A1 design.
Specifications
Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:7 Rifle Length, Gray
4 options
- Blackfrom $649.99, in stock
- Blem · Blackout of stock
- Blem · Gray, this page
- Grayfrom $699.99, in stock
Available Merchants(1)
Prices checked
Price Alert
September 2026 on GunPartPicker
Harrington & Richardson Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:7 Rifle Length, Gray ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders on GunPartPicker first added it to a build in August 2026.
Today the one retailer we track has it in stock. Buying today, the lowest price is $679.99 at Palmetto State Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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