The ZEV Technologies Slide Lock Charging Handle is a unique design that features smooth ambidextrous operation with fewer moving parts than any other charging handle on the market. Machined from a single piece of 7075-T6 billet aluminum for greater strength and durability. Features:Fully ambidextrousExtended and textured handle for superior grip and ergonomicsBlack nitrided steel capture latchMade in the USA from American made aircraft grade 7075-T6 billet aluminumTrue Black Class 2 Type 3 hard coat anodizeDesigned exclusively for use with ZEV billet upper receivers not recommended for use with forged upper receivers