Getting Up Close with the Fortis Manufacturing Low Profile Gas Block
The Fortis Manufacturing Low Profile Gas Block is a crucial component for any AR-15 build aiming for optimal performance and a streamlined profile. A low-profile gas block allows for the use of free-floating handguards, enhancing accuracy and ergonomics. Fortis Manufacturing has a reputation for quality, so I was eager to see how this gas block stacks up against the competition.
For years, I’ve wrestled with AR builds where bulky gas blocks interfered with the handguard or marred the barrel during installation. I needed a solution that was both functional and aesthetically pleasing. The promise of a low-profile design and a non-marring installation process drew me to the Fortis Manufacturing Low Profile Gas Block.
Upon unboxing, I immediately noted the solid feel and clean bead blasted finish of the Fortis Manufacturing Low Profile Gas Block. Its compact design was exactly what I was looking for. Compared to the generic gas block I’d been using, this Fortis offering exuded quality.
I considered a Seekins Precision adjustable gas block and a Daniel Defense model, but the Fortis struck the right balance between cost, features, and reputation. The advertised ease of installation was a major selling point. My first impression was definitely positive – this felt like a well-engineered component that would elevate my build.
Real-World Testing: Putting Fortis Manufacturing Low Profile Gas Block to the Test
First Use Experience
I installed the Fortis Manufacturing Low Profile Gas Block on a custom AR-15 build using a 16-inch barrel. The build took place in my workshop, but the range was the ultimate testing ground. The process was surprisingly straightforward; the two set screws and included roll pin made installation secure.
The range provided ideal conditions for evaluating the gas block’s performance. The weather was sunny and dry, minimizing any potential environmental factors. After sighting in the rifle, I put several hundred rounds through it. I experienced no issues with gas flow or cycling.
The ease of installation was a pleasant surprise; no barrel marring occurred. The rifle performed flawlessly, with consistent cycling and no signs of gas leakage. I did have to adjust my optic slightly for the tighter groupings.
Extended Use & Reliability
After several months of regular use, the Fortis Manufacturing Low Profile Gas Block continues to perform flawlessly. I estimate I’ve put close to 2000 rounds through the rifle since installation. There are no signs of wear or tear on the gas block itself.
The 4140 steel construction seems incredibly durable. Cleaning is straightforward; a quick wipe-down with a solvent and a brush keeps it in perfect condition. My previous experiences with cheaper gas blocks involved gas leakage and loosening set screws, but the Fortis has proven to be far superior.
Breaking Down the Features of Fortis Manufacturing Low Profile Gas Block
Specifications
The Fortis Manufacturing Low Profile Gas Block boasts a .750 gas seat diameter, fitting most standard AR-15 barrels. It is constructed from durable 4140 steel, ensuring longevity and resistance to heat and corrosion. The bead blasted finish provides a sleek, non-reflective appearance.
The set screw spacing is 0.470 inches, providing ample space for secure attachment. The included roll pin further enhances the block’s stability. The significance of these specifications lies in their impact on reliability and performance. A properly sized and securely mounted gas block ensures consistent cycling of the AR-15.
Performance & Functionality
The Fortis Manufacturing Low Profile Gas Block excels in its primary function: directing gas from the barrel to the gas tube, ensuring proper cycling of the AR-15. Its low-profile design allows for the use of a wide range of free-floating handguards, which can significantly improve accuracy. It has performed flawlessly during testing.
The strengths of this gas block lie in its simple, robust design and ease of installation. One potential area for improvement might be the inclusion of dimples on the barrel for the set screws to lock into, for an even more secure mounting. Overall, it has exceeded my expectations.
Design & Ergonomics
The Fortis Manufacturing Low Profile Gas Block has a simple, functional design. The 4140 steel construction gives it a reassuring weight, indicating quality and durability. The bead blasted finish blends seamlessly with most AR-15 builds.
The installation is straightforward, requiring only basic tools and minimal gunsmithing experience. The gas block is inherently user-friendly. The learning curve is essentially non-existent.
Durability & Maintenance
The Fortis Manufacturing Low Profile Gas Block is built to last. The 4140 steel construction makes it highly resistant to heat, pressure, and corrosion. With proper maintenance, this gas block should provide years of reliable service.
Maintenance is minimal; regular cleaning with a solvent and a brush is sufficient. There are no small parts to lose or fragile components to worry about.
Accessories and Customization Options
The Fortis Manufacturing Low Profile Gas Block is relatively simple and does not offer customization options in itself. It is designed to work with standard AR-15 gas tubes and free-floating handguards. It’s compatible with a wide range of aftermarket handguards.
Pros and Cons of Fortis Manufacturing Low Profile Gas Block
Pros
- Durable 4140 steel construction ensures long-lasting performance.
- Low-profile design allows for the use of free-floating handguards, enhancing accuracy and ergonomics.
- Easy installation with two set screws and included roll pin.
- Sleek bead blasted finish blends seamlessly with most AR-15 builds.
- Reliable gas flow ensures consistent cycling of the AR-15.
Cons
- Lacks adjustability for fine-tuning gas flow (not ideal for all builds).
- Does not include barrel dimpling, which some users prefer for added security.
Who Should Buy Fortis Manufacturing Low Profile Gas Block?
The Fortis Manufacturing Low Profile Gas Block is perfect for anyone building or upgrading an AR-15 and prioritizing reliability, ease of installation, and a low-profile design. It is well-suited for recreational shooters, hunters, and tactical users. Those seeking an adjustable gas block for fine-tuning gas flow should explore other options.
If using this gas block for a precision build, consider purchasing a barrel dimpling jig for enhanced set screw security. You will also need the correct size gas tube.
Conclusion on Fortis Manufacturing Low Profile Gas Block
The Fortis Manufacturing Low Profile Gas Block is a high-quality component that delivers on its promises. The price is justified given its durable construction, ease of installation, and reliable performance. I would absolutely recommend it to anyone looking for a solid, low-profile gas block for their AR-15 build.
It’s a simple, well-engineered part that does its job effectively. If you need a reliable and unobtrusive gas block, give the Fortis Manufacturing Low Profile Gas Block a shot – you won’t be disappointed.
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