Phase 5115684825
Phase 5 Weapon Systems LOPROGAS Lo-Pro Gas Block Mag Phosphate 4140 Chromoly Steel 0.95"$24.99
Availability: In Stock
The Wilson Combat TRLPGB lo-profile gas block is a .750" direct-impingement component built for AR-15s that demand reliable, clean cycling under sustained fire. If you're assembling a custom rifle and need a gas block that plays nicely with free-floating rail systems while handling serious round counts, this is the kind of part that justifies the build time. Wilson Combat machines these from 4140 chromoly steel and applies a black phosphate finish—a time-tested combo that resists corrosion and keeps things running when conditions get rough.
Low-profile design means it won't interfere with modern handguards or rail systems, yet the mass and material composition dissipate heat evenly and seal tight against gas leakage even after hundreds of rounds downrange. That balance between compact form and thermal performance is harder to hit than it sounds, and it's a signature of Wilson Combat's precision work. The .750" bore is machined to tight tolerances and works with Wilson barrels or any quality .750" barrel you choose. Securing is straightforward: hardened set screws clamp it to the barrel, and a gas tube roll pin is included in the box.
Whether you're building a duty rifle, a match gun, or a durable hunting AR, a solid gas block is foundational—it's where the rifle actually cycles, and cutting corners here shows up as reliability problems later. This is the kind of part that professionals and serious builders reach for when they want something that just works.
| Bore Diameter | .750" |
| Material | 4140 Chromoly Steel |
| Finish | Black Phosphate |
| Block Length | .920" |
| Set Screw Spacing | .400" |
| Fastening | Hardened Set Screws (included) |
| Included Accessories | Gas Tube Roll Pin |
Yes. The lo-profile design is engineered to sit low on the barrel and clear all popular free-floating rail systems without interference.
It's precision-bored to .750" and works with Wilson Combat barrels as well as any other quality .750" barrel you're using in your build.
The gas block, hardened set screws for securing it to the barrel, and a gas tube roll pin.
It clamps to the barrel using the provided hardened set screws, which you tighten for a secure, permanent fit.
SKU: 115705303 • Width: 2.8in • Height: 1in • Depth: 4.5in • Weight: 0.1oz
Availability: In Stock
The Wilson Combat TRLPGB lo-profile gas block is a .750" direct-impingement component built for AR-15s that demand reliable, clean cycling under sustained fire. If you're assembling a custom rifle and need a gas block that plays nicely with free-floating rail systems while handling serious round counts, this is the kind of part that justifies the build time. Wilson Combat machines these from 4140 chromoly steel and applies a black phosphate finish—a time-tested combo that resists corrosion and keeps things running when conditions get rough.
Low-profile design means it won't interfere with modern handguards or rail systems, yet the mass and material composition dissipate heat evenly and seal tight against gas leakage even after hundreds of rounds downrange. That balance between compact form and thermal performance is harder to hit than it sounds, and it's a signature of Wilson Combat's precision work. The .750" bore is machined to tight tolerances and works with Wilson barrels or any quality .750" barrel you choose. Securing is straightforward: hardened set screws clamp it to the barrel, and a gas tube roll pin is included in the box.
Whether you're building a duty rifle, a match gun, or a durable hunting AR, a solid gas block is foundational—it's where the rifle actually cycles, and cutting corners here shows up as reliability problems later. This is the kind of part that professionals and serious builders reach for when they want something that just works.
| Bore Diameter | .750" |
| Material | 4140 Chromoly Steel |
| Finish | Black Phosphate |
| Block Length | .920" |
| Set Screw Spacing | .400" |
| Fastening | Hardened Set Screws (included) |
| Included Accessories | Gas Tube Roll Pin |
Yes. The lo-profile design is engineered to sit low on the barrel and clear all popular free-floating rail systems without interference.
It's precision-bored to .750" and works with Wilson Combat barrels as well as any other quality .750" barrel you're using in your build.
The gas block, hardened set screws for securing it to the barrel, and a gas tube roll pin.
It clamps to the barrel using the provided hardened set screws, which you tighten for a secure, permanent fit.
SKU: 115705303 • Width: 2.8in • Height: 1in • Depth: 4.5in • Weight: 0.1oz