American Made Parts for American Rifle Builders

Gas System

We offer many different sizes, profiles, and finishes of AR15 gas blocks (standard and adjustable) and gas tubes for your complete upper.  Be sure to look up the gas system specifications on your barrel before you order.

24 of 53 Items
  • Sale
    Aero Precision .936 Adjustable Low Profile Gas Block, Nitride - APRH101616C Aero Precision .936 Adjustable Low Profile Gas Block, Nitride - APRH101616C Aero Precision .936 Adjustable Low Profile Gas Block, Nitride - APRH101616C Aero Precision .936 Adjustable Low Profile Gas Block, Nitride - APRH101616C Aero Precision .936 Adjustable Low Profile Gas Block, Nitride - APRH101616C

    Aero Precision

    Aero Precision .936 Adjustable Low Profile Gas Block, Nitride

    The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking...

    Retail: $64.99
    Was: $59.95
    Now: $55.95
  • Sale
    Aero Precision .875 Adjustable Low Profile Gas Block, Nitride - APRH101615C Aero Precision .875 Adjustable Low Profile Gas Block, Nitride - APRH101615C Aero Precision .875 Adjustable Low Profile Gas Block, Nitride - APRH101615C Aero Precision .875 Adjustable Low Profile Gas Block, Nitride - APRH101615C Aero Precision .875 Adjustable Low Profile Gas Block, Nitride - APRH101615C

    Aero Precision

    Aero Precision .875 Adjustable Low Profile Gas Block, Nitride

    The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking...

    Retail: $64.99
    Was: $59.95
    Now: $55.95
  • Sale
    Aero Precision .625 Adjustable Low Profile Gas Block, Nitride - APRH101613C Aero Precision .625 Adjustable Low Profile Gas Block, Nitride - APRH101613C Aero Precision .625 Adjustable Low Profile Gas Block, Nitride - APRH101613C Aero Precision .625 Adjustable Low Profile Gas Block, Nitride - APRH101613C Aero Precision .625 Adjustable Low Profile Gas Block, Nitride - APRH101613C

    Aero Precision

    Aero Precision .625 Adjustable Low Profile Gas Block, Nitride

    The Aero Precision Adjustable Gas Block allows the user to finely tune their gas system for any application. This is particularly useful for managing excess gas to reduce blowback on suppressed firearms, or competition builds where the shooter is looking...

    Retail: $64.99
    Was: $59.95
    Now: $55.95
  • Faxon Firearms AR Gas Tube - Pistol Length - ARGasTube-Pistol Faxon Firearms AR Gas Tube - Pistol Length - ARGasTube-Pistol Faxon Firearms AR Gas Tube - Pistol Length - ARGasTube-Pistol Faxon Firearms AR Gas Tube - Pistol Length - ARGasTube-Pistol Faxon Firearms AR Gas Tube - Pistol Length - ARGasTube-Pistol

    Faxon Firearms

    Faxon Firearms AR Gas Tube - Pistol Length

    Manufactured from tough stainless steel, these gas tubes can take anything you throw at them, including full-auto fire. Features and Specifications: Pistol Length Gas Tube Compatible with both AR-15 and AR-10/LR-308 systems Bright Stainless...

    Retail: $15.99
    $14.99
  • Faxon Firearms AR Gas Tube - Carbine Length - ARGasTube-Carbine Faxon Firearms AR Gas Tube - Carbine Length - ARGasTube-Carbine Faxon Firearms AR Gas Tube - Carbine Length - ARGasTube-Carbine Faxon Firearms AR Gas Tube - Carbine Length - ARGasTube-Carbine Faxon Firearms AR Gas Tube - Carbine Length - ARGasTube-Carbine

    Faxon Firearms

    Faxon Firearms AR Gas Tube - Carbine Length

    Manufactured from tough stainless steel, these gas tubes can take anything you throw at them, including full-auto fire. Features and Specifications: Carbine Length Gas Tube Compatible with both AR-15 and AR-10/LR-308 systems Bright Stainless...

    Retail: $15.99
    $14.99
  • Faxon Firearms AR Gas Tube - Mid Length - ARGasTube-Mid Faxon Firearms AR Gas Tube - Mid Length - ARGasTube-Mid Faxon Firearms AR Gas Tube - Mid Length - ARGasTube-Mid Faxon Firearms AR Gas Tube - Mid Length - ARGasTube-Mid Faxon Firearms AR Gas Tube - Mid Length - ARGasTube-Mid

    Faxon Firearms

    Faxon Firearms AR Gas Tube - Mid Length

    Manufactured from tough stainless steel, these gas tubes can take anything you throw at them, including full-auto fire. Features and Specifications: Mid Length Gas Tube Compatible with both AR-15 and AR-10/LR-308 systems Bright Stainless...

    Retail: $15.99
    $14.99
  • Faxon Firearms AR Gas Tube - Rifle Length - ARGasTube-Rifle Faxon Firearms AR Gas Tube - Rifle Length - ARGasTube-Rifle Faxon Firearms AR Gas Tube - Rifle Length - ARGasTube-Rifle Faxon Firearms AR Gas Tube - Rifle Length - ARGasTube-Rifle Faxon Firearms AR Gas Tube - Rifle Length - ARGasTube-Rifle

    Faxon Firearms

    Faxon Firearms AR Gas Tube - Rifle Length

    Manufactured from tough stainless steel, these gas tubes can take anything you throw at them, including full-auto fire. Features and Specifications: RIFLE Length Gas Tube Compatible with both AR-15 and AR-10/LR-308 systems Bright Stainless...

    Retail: $16.99
    $15.99
  • Brownells .750 AR-15 Gas Block Nitride - SFNGB Brownells .750 AR-15 Gas Block Nitride - SFNGB Brownells .750 AR-15 Gas Block Nitride - SFNGB Brownells .750 AR-15 Gas Block Nitride - SFNGB

    Brownells

    Brownells .750 AR-15 Gas Block Nitride

    Low profile steel gas block with a .750" gas journal.  4140 gun quality steel with a Nitride finish.  Dual set screws secure gas block to barrel.  Honed interior allows for smooth installation.  Does not include roll pin. Features...

    Retail: $24.99
    $19.99
  • SOLGW .750 Gas Block, V2, Black - GB750V2 SOLGW .750 Gas Block, V2, Black - GB750V2 SOLGW .750 Gas Block, V2, Black - GB750V2

    Sons of Liberty Gun Works

    SOLGW .750 Gas Block, V2, Black

    Features and Specifications: Sons of Liberty Gun Works .750 gas Block Designed to ride against the Barrel Shoulder without a gap. Made of heat treated 4140 Steel Includes Knurled Head Set Screws Made in USA  

    Retail: $50.00
    $45.00
  • Luth-AR, .750 Internal Bore, Gas Block, Black - GB-LP750 Luth-AR, .750 Internal Bore, Gas Block, Black - GB-LP750

    Luth-AR

    Luth-AR, .750 Internal Bore, Gas Block, Black

    The LUTH-AR low profile gas block has a black manganese phosphate finish, 2 set screws and 1 roll pin. Made in the USA. Features and Specifications: Inner Diameter .750 inches 2 Set Screws (requires a 3/32 Allen wrench) 1 Roll Pin 10-32×1/4...

    Retail: $18.95
    $17.95
  • Odin Works, .750 Tunable Gas Block, Stainless Steel - GB-TUNE-SS

    Odin Works

    Odin Works, .750 Tunable Gas Block, Stainless Steel

    Stainless steel tunable low profile gas block is designed to perfectly tune your rifle. Set it and forget it! This gas block is included with all DI ODIN Works barrels. Features and Specifications: Fits inside all ODIN Works Forends Fits .750"...

    Retail: $54.00
    $51.99
  • Odin Works, .750 Low Profile Gas Block, Black Nitride - GB-75

    Odin Works

    Odin Works, .750 Low Profile Gas Block, Black Nitride

    This low profile gas block is manufactured to ensure the proper function of the gas system. It is engineered to fit inside all ODIN Works free float forends. Features and Specifications: Fits inside all ODIN Works Forends Fits .750" diameter...

    Retail: $29.00
    $27.99
24 of 53 Items