Carlson’s Gas O-Ring Assortment Kit (part no. 00066) keeps a gas-operated autoloading shotgun cycling reliably by replacing the gas seal O-ring that wears out over years of shooting. The graphite-coated rubber compound resists heat and fouling better than a generic hardware-store O-ring, and the assortment covers the sizing range used across most popular autoloader platforms.

Key Specifications

• Made from rubber with a graphite coating for long-lasting performance in an autoloader’s gas system.
• Sized for 12 gauge and 20 gauge shotguns, with 20 gauge rings also fitting most 28 gauge guns.
• Compatible with the Remington Model 1100, 11-87, and Pro Bore gas guns.
• Also fits Beretta, Winchester, Franchi, Tri-Star, and EAA shotguns using a gas O-ring.
• Sold as an assortment kit, covering multiple sizes in one purchase.
• Weighs about 0.07 lb, an easy-to-store spare parts kit for the range bag.

Frequently Asked Questions

What shotguns does this kit fit? Remington 1100, 11-87, and Pro Bore, plus Beretta, Winchester, Franchi, Tri-Star, and EAA gas autoloaders that use a gas O-ring.

Will 20 gauge rings work in a 28 gauge gun? Yes, most 28 gauge gas systems will accept the 20 gauge O-rings in this kit.

Why does the gas O-ring need replacing? It wears from heat and combustion gases over years of shooting, and a worn ring can cause cycling issues.

Buy Carlson’s Gas O-Ring Assortment Kit

Order this O-ring kit from our gun parts kits selection and keep your autoloader cycling the way it should. Order it from our Lubbock, Texas gun shop for fast, insured shipping.