Daniel Defense M4A1 RIII 5.56mm NATO Black Upper Receiver Group
All Daniel Defense upper receivers
Daniel Defense
Overview
The Daniel Defense M4A1 RIII 5.56mm NATO Black Upper Receiver Group is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Daniel Defense M4A1 RIII 5.56mm NATO Black Upper Receiver Group
Build history on GunPartPicker
Builders on GunPartPicker first added the Daniel Defense M4A1 RIII 5.56mm NATO Black Upper Receiver Group to a build in March 2026.
It was hard to find in September 2026, in stock on only 8 of the 18 days we checked, and today none of the 2 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $1,450, so there haven't been real sales lately. Listed prices start at $1,450 at AR15 Discounts for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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