Gas System

CMMG Front Sight Base Assembly Fits Barrels with .750" Diameter Gas Journals Approximately 2" Long F marked front sight base assembly for .750" gas journals. Includes front sight post and sling loop. This item requires specific equipment to install and...

Precision Reflex – .750 Dia. AR15/M16 Gas Block With Top Picatinny Rail – Black The gas block with the Picatinny rail is constructed of T6 6061 hard-coated black anodized aluminum. It is designed for a .750 diameter barrel and has a 2...

Precision Reflex - .750 Diameter Low Profile Steel Gas Block The low profile gas block for .750 diameter barrel is constructed of 1141 high strength steel with a nitrite finish. The gas block is held in place by 2 10-32 set screws. The gas block is 1...

High quality components and precise manufacturing make 2A parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.

Noveske Lo-Pro Gas Block -2 Screw design (Screws included)-For .625″, .750″ and .875″ diameter barrels (select size above) -Correct gas port offset without the handguard retainer, .295″-Black phosphate finish-Noveske Iron...

Bauer Precision 5.56 Helical, One Piece Gas Ring   This gas ring is designed specifically for use with .223 caliber and 5.56 caliber ARs and is made from durable, high-quality materials. It is used to seal the gas in the gas tube and prevent...

Battle Arms Development Workhorse Low Profile .750 Gas Block Engineered for reliability, trusted by professionals—meet the Battle Arms Development Workhorse Low Profile Gas Block. Designed to deliver uncompromising performance in the most demanding...

Geissele Automatics, Super Gas Block, .750, Gas Block, Nitride Processed .750" Fits AR-15 Barrels For Builds or Upgrade Standard Super Gas Block Nitride - The bore of the SGB is machined to closely fit around .750" diameter mounting bosses...

Bootleg, Low Profile Gas Block, .750 Barrel, Black Finish Made from .4140 steel for durability Salt Bath Nitriding (SBN) coating for uniform protection Fine tune your AR's gas system with a Bootleg, Inc. Low Profile Gas Block! Regulate your AR's...

Superlative Arms .875 Adjustable Gas Block - Clamp on - Stainless Steel - Melonite Unlock cleaner, cooler, and more controlled shooting with the Superlative Arms Patented Bleed Off® Adjustable Gas Block—designed for direct impingement systems...

Superlative Arms .875 Adjustable Gas Block - Clamp on - Stainless Steel - Matte Finish Elevate your rifle’s performance with the Superlative Arms Patented Bleed Off® Adjustable Gas Block—designed for direct impingement systems on AR-15,...

Superlative Arms .625" Adjustable Gas Block, Bleed Off - Clamp On, Melonite Unlock the full potential of your AR-15 with the Superlative Arms .625" Adjustable Gas Block—an innovation that redefines how gas systems should work. Unlike traditional...