On August 31, 2026, CMMG and 15-22 magazine variants were added to the DeAR22 lower. Files with a MAF serial-tag cutout were withdrawn instead of being reworked for those magazines, and that feature can still be created in slicing software.

An optional Picatinny rail can replace the buffer tube so the lower does not need to be reprinted, with fitting steps in the readme. The files include a lower and a solid buffer tube made for strength and appearance.