Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:12 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 20" AR-15 Upper is a complete upper receiver designed for the AR-15 platform, featuring a 20-inch barrel optimized for 5.56 NATO ammunition. With a rifle-length gas system and a 1:12 twist rate, this upper provides a balance of accuracy and reliability, making it suitable for a variety of shooting applications. This upper is typically found in retro builds that aim to replicate the classic M16A1 style.
Specifications
Blem Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:12 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 1:12 Rifle Length, Gray ranked #168 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #330 of the 1,683 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $679.99, so there haven't been real sales lately. Buying today, the lowest price is $679.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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