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KNS Precision

KNS Quick Release Sling Swivels - 1 1/4" - 2 Piece Set

KNS Sling Swivels with quick release for rifles. Correctly attaches 1.25" wide slings using the KNS front or rear swivel mounts for AR-15 or Sig 556 rifles. Can also be used with any standard swivel mount stud. Includes two sling swivels.
$11.95

Sig Sauer

Sig Sauer .22LR 10RD Magazine - SIG 522 - 10 ROUND

Sig Sauer 522 .22LR ten round magazine for the SIG522 rifle. Translucent smoke colored polymer with the Sig Sauer logo.
$39.95

Sig Sauer

Sig Sauer .22LR 25RD Magazine - SIG 522

Sig Sauer 522 .22LR twenty five round magazine for the SIG522 rifle. Translucent smoke colored polymer with the Sig Sauer logo.
Please check restricted shipping zones before ordering.
$39.95

Sig Sauer

Sig Sauer 556 Parts Kit - M4 Style

Sig Sauer factory parts kit for the original style SIG556 with the original style trigger casing.
  • Firing Pin
  • Firing Spring
  • Take Down Pin Plunger
  • Take Down Plunger Spring
  • Recoil Spring
  • (2) Spring Pins
  • Support Washer
  • Crush Washer
$24.95

Sig Sauer

Sig Sauer 556 Parts Kit - P556 Pistol

Sig Sauer factory parts kit for the 556 Pistol.
  • Firing Pin
  • Firing Spring
  • Take Down Pin Plunger
  • Take Down Plunger Spring
  • Recoil Spring
  • (2) Spring Pins
  • Support Washer
  • Crush Washer
$24.95

Sig Sauer

Sig Sauer 556 Parts Kit - SIG556 Classic Patrol Rifle

Sig Sauer factory parts kit for the Classic Model 556 Patrol Rifle with the short gas system. All of our Sig Sauer Parts Kits are authentic Sig Sauer made products.
  • Firing Pin
  • Firing Spring
  • (2) Take Down Pin Plunger
  • (2) Take Down Plunger Spring
  • Recoil Spring
  • (2) Spring Pins
  • Support Washer
  • Crush Washer
$24.95

Sig Sauer

Sig Sauer SIG556 - MAGAZINE CONNECTOR

Easily connects SIG556 magazines making magazine changes a very fast procedure. Made of polymer and will only work on factory SIG556 magazines.
$4.95

Sig Sauer

Sig Sauer SIG556 Rotary Diopter Sight Set - FRONT and REAR

The Sig Sauer 556 Rifle Rotary Diopter sight set has four range settings, CQB, 100m, 200m and 300m. Easily mounts on any Picatinny Rail and can be adjusted for windage and elevation without tools. Set comes with the Rotary Diopter rear sight and the shrouded front sight.
$249.95

Sig Sauer

Sig Sauer Swiss 550, 551, 552 30RD Magazine

Imported from Switzerland, SIG 550 Series .223 and 5.56NATO 30 round magazines manufactured from high impact polymer. Connectible to another 550 magazine with no connector needed. Will fit only SIG 550, 551 and 552 rifles.
Please check restricted shipping zones before ordering.
$59.95

Griffin Tactical Modified Charging Handle - SIG 556

The high quality Griffin Tactical modified charging handle for Sig Sauer 550 series rifle allows for much needed clearance for some of the wider based optics. Manufactured from 4140 steel, heat treated and parkerized.

*NOTE* This charging handle will not work on right side folding stock models while the stock is folded over.
$55.00

SIGTAC

iTAC Rifle Sling - BLACK

The iTAC Rifle Sling is made from ultra strong, yet lightweight black nylon. 2 point attachment using powder coated metal snaps. Designed to fit M16, AR15, SIG 556 and Sig 522 rifles.
$24.95

KNS Precision

KNS Push Button Pivot Pin - SIG 556

This push pin easily and quickly replaces the front pivot pin on Sig 556 rifles. The factory pin requires the use of two screwdrivers. The KNS pin features a spring loaded push button with solid locking ball detents allowing you to quickly seperate the upper and lower receivers without tools. Guaranteed with the KNS lifetime warranty.
$20.95

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Sig 556 Parts

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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

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Factory Sig Sauer 556 Accessories give shooters peak performance. Other trusted names in gun accessories for Sigs also are on our site, including Griffin, iTac, and KNS. 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.