Phase 5 FATman 5/8-24 Hex Muzzle Brake, .308 Win/7.62x51mm/.300 Blackout, Parkerized Black
$120.00 at OpticsPlanet · 2 stores
In stock Sale
Best price
$109.38at MidwayUSA
In stock Sale checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $109.38Salechecked Oct 21, 2026 | In stock | Buy at MidwayUSA | |
| Ammunition Depot | $120.00checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $120.99checked Oct 21, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $93.53Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk 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: $109.38 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $120.00 | $120.00 | $120.00 |
| Battlehawk Armory | $93.53 | $91.73 | $93.53 |
| GunMag Warehouse | $120.99 | $120.99 | $120.99 |
| MidwayUSA | $109.38 | $109.38 | $120.00 |
Since Sep 28, 2026.
About this part
The Phase 5 FATman Hex Brake for 7.62x51/.308/300BLK is a 300 Blackout muzzle device from Phase 5 Tactical. It's sold by 4 stores (3 in stock), from $93.53 to $120.99. The lowest in-stock price in the last 30 days was $109.38 at MidwayUSA.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
Specifications
- Manufacturer
- Phase 5 Tactical
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: 7.62X51/.308/300blk- Length: 3”- Width: 1.26”- Weight: 5.9oz- Threading: 5/8 - 24 TPI (Threads per Inch)- Includes (1) crush washer
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