Sig Sauer 556 Parts

Sig Sauer 556 Parts

Shop by:




Easily connects SIG556 magazines making magazine changes a very fast procedure. Made of polymer and will only work on factory SIG556 magazines.


In stock


Sig 556 Parts

At Top Gun Supply, you can easily shop for Sig Sauer gun parts by model, including reliable Sig 556 parts. A special kit for the Sig 556 comes with original factory parts with the well-known Sig Sauer dependability. In a kit that caters to your specific firearm, you’ll have small and essential gun parts such as the Sig firing pin, firing spring, recoil spring and crush washer. In addition to factory parts, we sell aftermarket parts for the 556 rifle. Order sling swivels, handguards, pivot pins and charging handles at low prices. A factory handguard rail kit ensures smooth mounting of the factory Swiss style handguards onto a Sig Sauer 556 rifle. Factory Sig 556 parts are manufactured with robust materials. A Sig Sauer 556 rifle quad rail is made from sturdy aluminum and treated with a hard coat anodized finish. Our comprehensive parts collection also brings you rifle slings featuring versatility and stability.

Sig Sauer 556 Accessories for Improved Performance

Factory Sig Sauer 556 Accessories give shooters peak performance. Other trusted names in gun accessories for Sigs also are on our site such as KNS pins and accessories. Visit our rifle parts pages first to find a Sig 556 magazine made by the Sig Sauer factory. The magazines feature high impact polymer and can connect to another magazine with a factory connector. To keep a 556 rifle in top condition, order a field cleaning kit that takes cleaning and lubrication to most any location. Make sure your bag of range accessories also includes eye and ear protection. Our line of Sig Sauer 556 accessories includes sights that are compact, lightweight and advanced systems. A Sig rotary diopter sight set supports the 556 shooter with various range settings and tool-free adjustment capabilities.