Sig Sauer198467544
Sig Sauer Hexium 5.56mm TI Suppressor 5.56mm Titanium Hub Taper Direct Mount 1/2"-28$899.99
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Availability: In Stock
Current Stock: Out of stock
The Sig Sauer Hexium 5.56mm INC suppressor is a purpose-built silencer engineered for shooters who demand low back pressure, quiet operation, and durability in a 5.56 NATO platform. Built from Inconel steel—a premium material choice over the titanium versions in Sig's lineup—this direct-thread suppressor delivers performance without compromise. The 1/2"-28 hub taper mounting system threads directly onto your rifle's muzzle for a secure, repeatable connection that works across standard 5.56 AR platforms.
What sets the Hexium apart is its internal geometry. Sig developed the core using advanced 3D printing and computer analysis to minimize back pressure while keeping sound signature clean and controlled—critical for hearing protection and follow-up shot accuracy. The hexagonal external pattern and black Cerakote finish give it a tactical, purpose-built appearance that matches the function underneath. At the front, a modular end cap design opens the door to accessory mounting options, letting you adapt the suppressor to your evolving setup.
Inconel construction means heat resistance and longevity, especially valuable if you're running sustained fire or high-round-count training sessions. This is a suppressor built for serious use: whether you're running a short-barreled rifle, a 16-inch duty rifle, or a precision 5.56 setup, the Hexium handles the job without excessive backblast or tone that fatigues you at the bench or in the field.
| Caliber | 5.56 NATO |
| Material | Inconel |
| Diameter | 1.75 in |
| Overall Length | 5.9–6.2 in |
| Weight | 11–20 oz |
| Mount Type | Hub Taper Direct Thread |
| Thread Pitch | 1/2"-28 |
Yes, the Hexium 5.56mm uses a standard 1/2"-28 hub taper direct thread mount, which is the common muzzle attachment for 5.56 NATO rifles. Your rifle's barrel must have a 1/2"-28 threaded muzzle or be threaded to that specification.
Inconel is a premium nickel-based superalloy with superior heat resistance and durability, making it ideal for high-volume shooting, sustained fire, or extreme operational conditions. The titanium versions offer lighter weight; Inconel prioritizes longevity and heat management.
The front end cap is designed with an accessory mounting system, allowing you to attach compatible Sig Sauer accessories or adapters to expand the suppressor's capabilities or customize it for your setup.
Back pressure is gas that flows backward toward the shooter during firing. The Hexium's internal geometry design minimizes back pressure, which reduces felt recoil and helps keep your sight picture steady, especially beneficial for accuracy and faster follow-up shots.
SKU: 198467540 • Weight: 2oz
Availability: In Stock
Current Stock: Out of stock
The Sig Sauer Hexium 5.56mm INC suppressor is a purpose-built silencer engineered for shooters who demand low back pressure, quiet operation, and durability in a 5.56 NATO platform. Built from Inconel steel—a premium material choice over the titanium versions in Sig's lineup—this direct-thread suppressor delivers performance without compromise. The 1/2"-28 hub taper mounting system threads directly onto your rifle's muzzle for a secure, repeatable connection that works across standard 5.56 AR platforms.
What sets the Hexium apart is its internal geometry. Sig developed the core using advanced 3D printing and computer analysis to minimize back pressure while keeping sound signature clean and controlled—critical for hearing protection and follow-up shot accuracy. The hexagonal external pattern and black Cerakote finish give it a tactical, purpose-built appearance that matches the function underneath. At the front, a modular end cap design opens the door to accessory mounting options, letting you adapt the suppressor to your evolving setup.
Inconel construction means heat resistance and longevity, especially valuable if you're running sustained fire or high-round-count training sessions. This is a suppressor built for serious use: whether you're running a short-barreled rifle, a 16-inch duty rifle, or a precision 5.56 setup, the Hexium handles the job without excessive backblast or tone that fatigues you at the bench or in the field.
| Caliber | 5.56 NATO |
| Material | Inconel |
| Diameter | 1.75 in |
| Overall Length | 5.9–6.2 in |
| Weight | 11–20 oz |
| Mount Type | Hub Taper Direct Thread |
| Thread Pitch | 1/2"-28 |
Yes, the Hexium 5.56mm uses a standard 1/2"-28 hub taper direct thread mount, which is the common muzzle attachment for 5.56 NATO rifles. Your rifle's barrel must have a 1/2"-28 threaded muzzle or be threaded to that specification.
Inconel is a premium nickel-based superalloy with superior heat resistance and durability, making it ideal for high-volume shooting, sustained fire, or extreme operational conditions. The titanium versions offer lighter weight; Inconel prioritizes longevity and heat management.
The front end cap is designed with an accessory mounting system, allowing you to attach compatible Sig Sauer accessories or adapters to expand the suppressor's capabilities or customize it for your setup.
Back pressure is gas that flows backward toward the shooter during firing. The Hexium's internal geometry design minimizes back pressure, which reduces felt recoil and helps keep your sight picture steady, especially beneficial for accuracy and faster follow-up shots.
SKU: 198467540 • Weight: 2oz