Check the listing for details. ProTech Tactical Delta 4 Armored Ballistic ACH Helmet Level IIIA - MED GRADE B. Condition: Pre-owned. Listed at 219.99 USD. *** Due to Huge Demand, we are nearly at the end of our supply*** ProTech Tactical Delta 4 Armored Ballistic Helmet Level IIIA - BOLTED VARIANT Size: MEDIUM -- other sizes available (please see our other listings) BLACK SWATCH COLOR! This sale is for a ProTech Tactical Delta 4 Armored Ballsitic Helmet Level IIIA - BIG QTY AVAILABLE $539.99 current cost to order from manufacturer! Condition: Used - Some minor chips in paint that has been touched up (photos shown typical of condition). Received directly from government. Web Information: Product Details ProTech Tactical Delta 4 Tactical Helmet Product Specs Made with multiple layers of high-performing, lightweight, high-tenacity ballistic aramid compositesQuick-release buckleAdjustable moisture-wicking nape pad Meets and exceeds NIJ 0106.01 standards defeating Level IIIA rounds and velocities. The patriarch of PROTECH® Tactical’s line of ballistic helmets, the Delta 4™ is a traditional ACH style helmet known for its durability, performance and overall ballistic protection [NIJ 0106.01 compliant and modified to address higher type IIIA rounds and velocities]. The Delta 4 (bolted) is the most accommodating ballistic helmet offered by PROTECH, as it is compatible with all available retention systems and optional accessories.NIJ 0106.01 Tested, Modified to address Type IIIA rounds & velocitiesV50 ≥ 2058 fps (627 mps), 17 gr.Bolted Variant Compatible with the following optional accessories: Rail Set, NVG Shroud, Bungee Set, VELCRO® Brand Kit and TCI Communication Systems