Savage Airsoft takes a good look at the E&C EC-645 Daniel Defense M4 PDW AEG, highlighting its compact, lightweight, and full-metal construction with official Daniel Defense markings. Key features include a 6-inch M-LOK handguard, flip-up sights, an extendable stock, and safe/semi/full-auto firing modes, with a chrono check showing approximately 379-383 FPS. He also discusses future upgrades and the rifle's suitability for CQB or jungle environments.