Genuine factory replacement parts fit perfectly and help you keep your EOTech sight running like new. Aluminum Protective Hoods for 511/512/551/552 series and model 553 are available in matte black. Hood installation requires the four, T-15 Torx®-head screws in the Hood Mounting Screw Kit, available separately. Polymer Battery Compartments are available for N-cell powered 500 series, pre-2009 and post-2009 model 512/552 sights that use AA-cells, and model 553 (two CR-123A cells). Battery Compartment Repair Kit allows for repair of the battery cap if the spring and/or rubber grommet fail on pre-2009 512/552 sights. Mounting Hardware kit contains an Allen head cross-bolt and wrench, Weaver-style slotted mount bolt, plastic washer, and Weaver lock bar. Fits 511, 512, 551, 552 sights only. Battery Cap Replacement with new style cable tether available for XPS/EXPS models.
AR-15, Issue:09, Page:094
Big Book Catalog, Issue:66, Page:267
SPECS: Protective Hoods - Aluminum, anodized, matte black. Hood Screws/Mounting Hardware Kit – hardened steel, matte black. Battery Compartments – Reinforced molded polymer.