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
August 2026 on GunPartPicker
Daniel Defense DDM4 PDW, .300BLK, 7 Barrel, Upper Receiver Group ranked #109 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #156 of the 1,625 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 for all of August 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 35 retailers
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Frequently Built With
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Builds Featuring This Part
See all 1 →Builds in the community that include the Daniel Defense DDM4 PDW, .300blk, 7 Barrel, Upper Receiver Group
| Build | Parts | Total |
|---|---|---|
 | 12 | $3721.25 |
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