Description
The Big Sixy is a compact 6mm centerfire suppressor built for the most demanding use cases. Additively manufactured from DMLS Inconel 718 — the same nickel superalloy used in aerospace turbine blades — the Big Sixy is engineered to withstand the thermal and mechanical demands of sustained fire. Where conventional manufacturing dictates geometry, DMLS enables internal baffle architectures optimized entirely around performance: flow dynamics, thermal management, sound mitigation, and mass optimization working in concert.
The hexagonal external profile is an engineering decision. Six flat faces expand external surface area, improving convective heat transfer and accelerating cooling between strings of fire — the same geometry that provides positive grip purchase during installation and removal. At 1.65″ flat-to-flat, the Big Sixy indexes cleanly on any HUB-compatible mount. The Project E tapered adapter is the recommended mounting solution.
Like every Energetic Armament suppressor, the Big Sixy features the patented Serial ID Ring — the registered NFA component housing the suppressor’s serial number and tax stamp markings. If the core ever requires service or replacement, the ID Ring transfers to the new core. Your paperwork stays intact. No new Form 4. No wait. One suppressor, for life.
The Big Sixy is US-made, DFAR certified, and backed by Energetic Armament’s lifetime guarantee. Available in Graphite Black and Flat Dark Earth High-Temp Cerakote.
- Weight: 14.7 oz
- Length: 6.7 in
- Diameter: 1.65 in hex · 1.83 in max
- Material: DMLS Inconel 718
- Finish: Graphite Black or FDE — High-Temp Cerakote®
- Mount Interface: 1.375×24 HUB (mount not included)
- Blast Baffle Clearance: 1.80 in
- Rating: 6mm ARC, 5.56 NATO, 5.45×39, 5.7×28, 6 PRC — Full-Auto Rated
- Includes: Serial ID Ring, suppressor body
- US-made · DFAR Certified · Patented Serial ID Ring · Lifetime Guarantee
