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A gas block might be one of the smallest parts on your AR-15, but it's also one of the most important. If it shifts or leaks gas, your rifle stops cycling right. The Wilson Combat Lo-Profile Gas Block is built to prevent exactly that, giving you a rock-solid mounting point machined to tight tolerances so your gas system does its job every time you pull the trigger.
This one is bored to .750 inches, which is the most common journal size on modern AR-15 barrels, and its slim profile lets it slip right under nearly all popular free-floating rail systems. It's cut from hardened 4140 chromoly steel and wears a dark, corrosion-resistant finish, so it has enough mass to soak up and evenly spread the heat that builds during long strings of fire. That heavier build also helps it resist gas leakage during high-round-count sessions, which is where cheaper blocks tend to give you trouble.
Wilson Combat has been building custom long guns and precision parts since 1977, and that attention to detail shows here. The block secures to your barrel with two provided hardened set screws spaced at .400 inches, and the overall length runs a compact .920 inches. It's the kind of part that professional and first-time builders alike reach for when they want their gas system done right and forgotten about.
Installation is straightforward, but a little care goes a long way. Line the block up so the gas port sits dead center under the port on your barrel, apply a quality thread locker to the set screws, and snug everything down evenly. Plenty of builders dimple the barrel first so the set screws bite deeper and the block never walks under recoil. Do that once, do it right, and this block will hold its position for the life of the rifle. It's a smart pick whether you're finishing a fresh build or upgrading a factory barrel to run under a new handguard.
It's precision bored to a .750 inch inside diameter, which is the most common gas block journal size on AR-15 barrels. As long as your barrel's gas block seat measures .750 inches, this block will slide right on. Its slim profile also fits underneath nearly all popular free-floating rail and handguard systems.
Yes. It ships with two hardened set screws to secure it to the barrel and the gas tube roll pin. You'll want to supply your own gas tube, a quality thread locker for the set screws, and the proper Allen wrench for the install.
Line the block up so its port sits centered over the barrel's gas port, then apply thread locker to the set screws and tighten them evenly. Many builders dimple the barrel at the rear set screw location so the screw bites deeper and locks the block in place. Done correctly, it won't walk even during high-round-count shooting.
It's machined from hardened 4140 chromoly steel with a corrosion-resistant finish. The steel construction gives it enough mass to evenly dissipate heat during long strings of fire and resist gas leakage over time. That's what makes it a dependable choice for both duty-style and precision builds.
| UPC | 811826021953 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | TR-LPGB |
| Length | 5.6 |
| Model | |
| Package Height | 1.2 |
| Package Width | 3.2 |
| Product Type | Accessory-Parts |
| Shipping Weight | 0.1 |
| Style | Low Profile |
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