Sig Sauer Ambi Safety Selector, Fire Control, Semi, 516/716/M400

Installation of these parts kits require disassembly of your firearm beyond a "field-stripped" condition. Improper installation may result in malfunction, serious injury, or death. SIG SAUER requires that only certified SIG SAUER armorers install these parts kits. Any damage caused by the incorrect installation of these parts kits are not covered by your firearm's warranty, and SIG SAUER will charge for any needed repairs to a firearm damaged by improper use or installation of these parts kits. Specifications: Manufacturer: Sig Sauer Accessory Rail: Not Applicable UPC Code: 798681510702 MPN: AMBI-SAFETY-516-716-M400