Harrington & Richardson Retro 723 14.7" AR-15 Barrel Assembly 5.56 1:7 Carbine Length
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Harrington & Richardson
Overview
The Harrington & Richardson Retro 723 is a 14.7" AR-15 barrel assembly designed for the 5.56 NATO caliber, featuring a pencil profile that offers a lightweight option for your build. With a 1:7 twist rate, this barrel is optimized for stabilizing heavier bullet weights, while the carbine-length gas system and .625 gas block diameter ensure reliable cycling in your rifle. This barrel is commonly found in lightweight builds where maneuverability and speed are prioritized.
Specifications
Harrington & Richardson Retro 723 14.7" AR-15 Barrel Assembly 5.56 1:7 Carbine Length
Build history on GunPartPicker
Builders on GunPartPicker first added the Harrington & Richardson Retro 723 14.7" AR-15 Barrel Assembly 5.56 1:7 Carbine Length to a build in January 2026.
Today the one retailer we track has it in stock. Buying today, the lowest price is $249.99 at Palmetto State Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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