Daniel Defense DDM4 PDW, .300BLK, 7 Barrel, Upper Receiver Group
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Daniel Defense
Overview
The Daniel Defense DDM4 PDW is a complete upper receiver group designed specifically for the .300 Blackout caliber, featuring a compact 7-inch barrel and a pistol-length gas system. This configuration optimizes the performance of the .300 Blackout round, making it suitable for both suppressed and unsuppressed shooting while maintaining reliable cycling. Builders often utilize this upper in compact AR-15 builds where maneuverability and versatility in ammunition choice are key considerations.
Specifications
Daniel Defense DDM4 PDW, .300BLK, 7 Barrel, Upper Receiver Group
October 2026 on GunPartPicker
Daniel Defense DDM4 PDW, .300BLK, 7 Barrel, Upper Receiver Group ranked #232 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #181 of the 2,049 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 300 Blackout, nearly all on pistol-length gas, and nearly all AR-15.
It was out of stock everywhere we track every time we checked in October 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $1,199.99 at Sportsmans Outdoor Superstore for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Builds Featuring This Part
See all builds →Builds in the community that include the Daniel Defense DDM4 PDW, .300blk, 7 Barrel, Upper Receiver Group
| Build | Parts | Total |
|---|---|---|
 | 12 | $4137.37 |
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