Product Name: Sijun 813-4 Black – DDM4 PDW 4.0 Tactical Soft Dart Blaster

Model: Sijun 813-4 Black – DDM4 PDW 4.0

Core Overview: Replicated from Daniel Defense DDM4 PDW personal defense weapon, restoring its 7-inch cold-forged short barrel, MFR XL M-LOK aluminum handguard and compact body, with a delicate military-grade matte black finish that matches the original exquisite craftsmanship. Equipped with an upgraded 4.0 full-metal fire control gearbox and high-hardness metal gears, optimizing the direct impingement gas system, supporting three modes (safe, semi-automatic, full-automatic), adding fire control function, and having functions such as bolt hold-open and blowback. Standard with Maxim tactical arm brace (adapting to PDW positioning), SLR M-LOK MOD2 front stop and 7075 T6 aluminum alloy forged receiver, compatible with AR-specific magazines, with soft and controllable recoil, balancing compact portability and handling—an excellent choice for advanced play, tactical simulation and outdoor competition.

Key Features: The matte black body highly restores the compact shape of the DDM4 PDW. Core components such as the receiver, barrel and Grip-N-Rip Ambi charging handle are made of metal, and the handguard adopts an aluminum M-LOK rail design with high extensibility. The front stop prevents fingers from sliding to the muzzle during operation, fitting the original ergonomic design; the tactical arm brace can flexibly adapt to shoulder-fired operation, with a smooth charging handle and clear blowback feedback, and the added fire control function improves operation accuracy. Smooth feeding, suitable for modular modification, and can be equipped with various tactical sights, silencers and other accessories, fitting the original design of no iron sights and focusing on expansion. Suitable for 14+ (adult supervision), balancing prototype restoration, handling and safety.

Applications: Daily play, military collection, outdoor WAR GAME, indoor CQB, etc. Relying on the compact and portable characteristics of PDW, it is suitable for personal defense simulation, close-quarters combat drills, movie prop replication and cosplay, applicable to backpack carrying, vehicle emergency and other home defense-related scenarios, fitting the original personal defense weapon positioning of PDW—an ideal choice for DDM4 series and AR advanced enthusiasts.