Yes it will work for the DDM4 but you will need to remove the proprietary DD barrel nut and gas tube/block and replace the nut with the one that comes with the handguard
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by Jacob Frost, from PA, United States Asked on November 22, 2025
Yes it will work for the DDM4 but you will need to remove the proprietary DD barrel nut and gas tube/block and replace the nut with the one that comes with the handguard