Phase 5 Weapon Systems Inc Fatman Hex Brake - 9mm / 7.62X39 / 6.8mm - 1/2 - 36 Tpi Black FATMAN-9mm
$114.00 at OpticsPlanet · 5 stores
In stock Sale
Best price
$108.00at OpticsPlanet
In stock Sale Lowest in 30 dayschecked Nov 12, 2026
Specifications
- Manufacturer
- Phase 5 Tactical
- Color
- Black
- Length
- 3"
- Weight
- 6 oz
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $108.00Salechecked Nov 12, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $120.00checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| MidwayUSA | $120.00checked Nov 13, 2026 | In stock | Buy at MidwayUSA | |
| GunMag Warehouse | $120.99checked Nov 13, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $91.73Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| GrabAGun | $99.99Salechecked Nov 12, 2026 | Check store | Buy at GrabAGun | |
| AR15Discounts 5% off | $120.00checked Nov 12, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $120.00checked Nov 12, 2026 | Check store | Buy at Dirty Bird | |
| Classic Firearms | $120.00checked Nov 12, 2026 | Check store | Buy at Classic Firearms | |
| Palmetto State Armory | $120.99checked Nov 13, 2026 | Check store | Buy at Palmetto State Armory | |
| Rainier Arms | Check priceprice on the store's site | Check store | Buy at Rainier Arms |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $108.00 at OpticsPlanet. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $120.00 | $120.00 | $120.00 |
| Ammunition Depot | $120.00 | $120.00 | $120.00 |
| Battlehawk Armory | $91.73 | $84.02 | $93.97 |
| Classic Firearms | $120.00 | $120.00 | $120.00 |
| Dirty Bird | $120.00 | $120.00 | $120.00 |
| GrabAGun | $99.99 | $99.99 | $99.99 |
| GunMag Warehouse | $120.99 | $120.99 | $120.99 |
| MidwayUSA | $120.00 | $120.00 | $120.00 |
| OpticsPlanet | $108.00 | $108.00 | $120.00 |
| Palmetto State Armory | $120.99 | $120.99 | $120.99 |
Since Sep 28, 2026.
About this part
The Phase 5 FATman HEX BRAKE is a muzzle device from Phase 5 Tactical. It's sold by 10 stores (4 in stock), from $91.73 to $120.99. The lowest in-stock price in the last 30 days was $108.00 at OpticsPlanet.
From the manufacturer
The FATman Hex Brake was created to solve issues faced by many competition shooters and precision rifle builders.The 2 large (FAT) ventilated baffle sections and chambers create the compensation needed to reduce the overall recoil felt by the shooter. The FATman Hex Brake includes two top ports machined at a 20 Deg. forward directed angle. These top ports help direct the energy of the spent gas in a manner that maintains a flat consecutive result shot after shot.The design of the FATman Hex Brake allows the first chamber wall to sit as close to the barrel crown plane as possible. This design element was included to maintain the full accuracy of the barrel.The iconic Phase 5 Hex design gives the FATman Hex Brake the perfect styling that custom gun builders are looking for. Mil-Spec Black Parkerized finish Compatibility: 5.56mm/.223 Length: 3” Width: 1.26” Weight: 6.1oz Threading: 1/2 x 28 TPI (Threads per Inch) Includes (1) crush washer
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