Sidewing A3 Increase the carrying capacity of your APTUM MICRO X chest rig with the Sidewing A3 expansion panel. Designed for users who need additional gear storage, the Sidewing A3 converts the compact MICRO X into a larger patrol-style chest rig with expanded attachment space for mission-ready equipment. Featuring three laser-cut attachment columns, the Sidewing A3 provides additional mounting options for pouches and accessories while maintaining a lightweight, streamlined design. The dual-sided configuration allows users to attach equipment on both sides at the same time, making it ideal for tactical operations, patrol applications, training, and extended missions. Constructed with laser-cut GRID materials, MIL-Spec elastic, and Berry Compliant components, the Sidewing A3 delivers dependable performance and durability. Every unit is proudly made in the USA. Features: Converts APTUM MICRO X into a larger patrol-style chest rig configuration Three laser-cut columns for increased pouch attachment capacity Supports simultaneous pouch mounting on both sides Top lock-down flap for added stability and security Two 1/8" bungee attachment points Four 1" female ITW-compatible buckles Additional laser-cut hole attachment points for customization Expanded gear storage while maintaining a low-profile design Materials & Construction: Laser-cut GRID construction MIL-Spec thread, elastic, and Velcro Berry Compliant materials 100% made in the USA Dimensions: Total length: 23" (end of female buckle to female buckle) Velcro attachment field: 6" x 10"