L'Antre Du Dingo to check one of the AEGs from the Delta Armory's Grand Power Freya series. The Delta Armory FREYA R15 SilentOps DMR is licensed by Slovak manufacturer Grandpower, is a customizable AR15 AEG AR15. Its full-metal construction and heavy-duty internals guarantee durability and reliability. The Eagle ETU unit allows for precise adjustments to trigger pull length, sensitivity, firing modes, and offers DMR and pre-cocking functions.