Brownells197559982
Brownells Ar-15 Modular Gas Block, 0.750''$37.49
Availability: In Stock
Current Stock: Out of stock
The Brownells AR-15 gas block in .750" is a no-nonsense steel component designed for builders and gunsmiths working with mid-length and rifle-length AR-15 systems. Built from 4140 gun-quality steel and finished in black nitride, this low-profile gas block handles the demanding job of regulating bolt carrier movement without adding bulk to your upper receiver. Whether you're assembling a precision rifle, tuning a competition build, or refreshing a tired platform, a solid gas block is foundational—and this one delivers straightforward, proven performance.
The .750" gas journal diameter is the standard for most AR-15 barrels, making this block compatible with the vast majority of mid-length and rifle-length builds. Dual set screws provide positive, secure clamping to the barrel, so you won't be chasing zero shifts or dealing with creep during shooting sessions. The honed interior bore promotes smooth installation and reliable operation. Nitride finishing is known for excellent corrosion resistance and durability under sustained fire, so your investment stays protected whether you're running suppressed, unsuppressed, or both.
This is a straightforward, combat-proven design—no adjustable features, no frills, just a gas block that does the job. It's the kind of part that disappears into your build and lets you focus on what matters: accuracy, reliability, and consistency downrange.
| Brand | Brownells |
| Product Type | AR-15 Gas Block |
| Gas Journal Diameter | .750" |
| Material | 4140 Gun-Quality Steel |
| Finish | Black Nitride |
| Securing Method | Dual Set Screws |
The .750" gas journal is the standard size for most AR-15 barrels with mid-length and rifle-length gas systems. Check your barrel's gas port diameter before ordering to confirm compatibility.
Black nitride is a heat-treating process that hardens the surface of steel and creates excellent corrosion resistance. It's a proven finish in military and civilian firearms applications and provides reliable protection against rust and wear.
No. This gas block secures to the barrel via dual set screws only and does not include a roll pin.
No. This is a fixed, non-adjustable gas block. It is designed to regulate bolt carrier velocity based on barrel port sizing without user adjustment.
SKU: 197560010 • Weight: 0.09oz
Availability: In Stock
Current Stock: Out of stock
The Brownells AR-15 gas block in .750" is a no-nonsense steel component designed for builders and gunsmiths working with mid-length and rifle-length AR-15 systems. Built from 4140 gun-quality steel and finished in black nitride, this low-profile gas block handles the demanding job of regulating bolt carrier movement without adding bulk to your upper receiver. Whether you're assembling a precision rifle, tuning a competition build, or refreshing a tired platform, a solid gas block is foundational—and this one delivers straightforward, proven performance.
The .750" gas journal diameter is the standard for most AR-15 barrels, making this block compatible with the vast majority of mid-length and rifle-length builds. Dual set screws provide positive, secure clamping to the barrel, so you won't be chasing zero shifts or dealing with creep during shooting sessions. The honed interior bore promotes smooth installation and reliable operation. Nitride finishing is known for excellent corrosion resistance and durability under sustained fire, so your investment stays protected whether you're running suppressed, unsuppressed, or both.
This is a straightforward, combat-proven design—no adjustable features, no frills, just a gas block that does the job. It's the kind of part that disappears into your build and lets you focus on what matters: accuracy, reliability, and consistency downrange.
| Brand | Brownells |
| Product Type | AR-15 Gas Block |
| Gas Journal Diameter | .750" |
| Material | 4140 Gun-Quality Steel |
| Finish | Black Nitride |
| Securing Method | Dual Set Screws |
The .750" gas journal is the standard size for most AR-15 barrels with mid-length and rifle-length gas systems. Check your barrel's gas port diameter before ordering to confirm compatibility.
Black nitride is a heat-treating process that hardens the surface of steel and creates excellent corrosion resistance. It's a proven finish in military and civilian firearms applications and provides reliable protection against rust and wear.
No. This gas block secures to the barrel via dual set screws only and does not include a roll pin.
No. This is a fixed, non-adjustable gas block. It is designed to regulate bolt carrier velocity based on barrel port sizing without user adjustment.
SKU: 197560010 • Weight: 0.09oz