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AeroPrecision
Fine-tune your AR-15 or LR-308 gas system with the Aero Precision Low Profile Adjustable Gas Block in nitride finish. Whether you're running a suppressed rifle, building a competition gun, or simply want tighter control over your gas tube pressure, this gas block lets you dial in the exact amount of gas your bolt carrier needs—no guesswork, no permanent changes. The low-profile design fits seamlessly under slim handguards like Aero's own ATLAS series, keeping your setup clean and free of snags.
What makes this gas block worth the upgrade is the engineering behind it. Fifteen distinct adjustment settings give you granular control, each one locked in with repeatable audible clicks. The stainless steel adjustment screw won't slip under recoil the way loose set screws sometimes do. A spring and detent hold everything in place, and the machined 4140 steel body is nitride coated for corrosion resistance and durability in the field. The sacrificial carbon chamber channels fouling away from critical surfaces and gives you a clean access point if you ever need to break carbon lockup—a real problem solver on suppressed builds or high-round-count days at the range.
Setup is straightforward: the gas block attaches via 10-32 x 3/16 knurled set screws to barrels with a .750 gas block journal. Aero includes an adjustment wrench sized to work even when your handguard is fully installed, so you don't have to tear down your gun to fine-tune. The user-serviceable design means you can clean and service the gas system without special tools or guesswork. If you've ever felt your AR kick harder than it should, or if you're building a precision or suppressed rifle and need to dial in your gas pressure, this is the tool to do it right.
| Material | 4140 steel, nitride coated |
| Profile | Low profile |
| Compatible Gas Block Journal | .750 inch |
| Adjustment Settings | 15 positions |
| Adjustment Screw | Stainless steel with spring and detent |
| Mounting | 10-32 x 3/16 knurled set screws |
| Included Accessories | Adjustment wrench (6 3/32), replacement spring and detent |
| Compatible Rifles | AR-15, LR-308 |
Yes, the low-profile design is specifically engineered to fit under slim-profile free float handguards, including Aero Precision's ATLAS series. It maintains a compact footprint that won't snag or interfere with rail covers and accessories.
This gas block is designed for barrels with a .750 inch gas block journal. If you're unsure of your barrel's journal size, contact your barrel manufacturer or check your build specs.
Yes. Aero includes a 6 3/32 adjustment wrench that's sized to fit and turn the adjustment screw even when a slim handguard is fully installed, so you can tune your gas pressure without disassembly.
The package includes the assembled adjustable gas block, a 6 3/32 adjustment wrench for easy tuning, and replacement spring and detent components for service and maintenance.
AeroPrecision
Fine-tune your AR-15 or LR-308 gas system with the Aero Precision Low Profile Adjustable Gas Block in nitride finish. Whether you're running a suppressed rifle, building a competition gun, or simply want tighter control over your gas tube pressure, this gas block lets you dial in the exact amount of gas your bolt carrier needs—no guesswork, no permanent changes. The low-profile design fits seamlessly under slim handguards like Aero's own ATLAS series, keeping your setup clean and free of snags.
What makes this gas block worth the upgrade is the engineering behind it. Fifteen distinct adjustment settings give you granular control, each one locked in with repeatable audible clicks. The stainless steel adjustment screw won't slip under recoil the way loose set screws sometimes do. A spring and detent hold everything in place, and the machined 4140 steel body is nitride coated for corrosion resistance and durability in the field. The sacrificial carbon chamber channels fouling away from critical surfaces and gives you a clean access point if you ever need to break carbon lockup—a real problem solver on suppressed builds or high-round-count days at the range.
Setup is straightforward: the gas block attaches via 10-32 x 3/16 knurled set screws to barrels with a .750 gas block journal. Aero includes an adjustment wrench sized to work even when your handguard is fully installed, so you don't have to tear down your gun to fine-tune. The user-serviceable design means you can clean and service the gas system without special tools or guesswork. If you've ever felt your AR kick harder than it should, or if you're building a precision or suppressed rifle and need to dial in your gas pressure, this is the tool to do it right.
| Material | 4140 steel, nitride coated |
| Profile | Low profile |
| Compatible Gas Block Journal | .750 inch |
| Adjustment Settings | 15 positions |
| Adjustment Screw | Stainless steel with spring and detent |
| Mounting | 10-32 x 3/16 knurled set screws |
| Included Accessories | Adjustment wrench (6 3/32), replacement spring and detent |
| Compatible Rifles | AR-15, LR-308 |
Yes, the low-profile design is specifically engineered to fit under slim-profile free float handguards, including Aero Precision's ATLAS series. It maintains a compact footprint that won't snag or interfere with rail covers and accessories.
This gas block is designed for barrels with a .750 inch gas block journal. If you're unsure of your barrel's journal size, contact your barrel manufacturer or check your build specs.
Yes. Aero includes a 6 3/32 adjustment wrench that's sized to fit and turn the adjustment screw even when a slim handguard is fully installed, so you can tune your gas pressure without disassembly.
The package includes the assembled adjustable gas block, a 6 3/32 adjustment wrench for easy tuning, and replacement spring and detent components for service and maintenance.
