Ultradyne USA ATHENA 5.56mm/223 REM Linear Compensator Fits AR-15 w/ 1/2x28 Thread, Black SS
$78.99 at Ammunition Depot · 8 stores
In stock
Best price
$102.99at MidwayUSA
In stock checked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $102.99checked Nov 10, 2026 | In stock | Buy at MidwayUSA | |
| OpticsPlanet | $109.99Salechecked Nov 10, 2026 | Out of stock | Buy at OpticsPlanet |
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: $102.99 at MidwayUSA. Dashed line = out of stock. Tracking since Nov 4, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| MidwayUSA | $102.99 | $102.99 | $102.99 |
| OpticsPlanet | $109.99 | $109.99 | $109.99 |
Since Nov 4, 2026.
About this part
The Ultradyne Mercury Compensator .625x24 6.5 is a compensator from Ultradyne. It's sold by 2 stores (1 in stock), from $102.99 to $109.99. The lowest in-stock price in the last 30 days was $102.99 at MidwayUSA.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
Specifications
- Manufacturer
- Ultradyne
- Type
- Compensator
- Caliber
- 5.56 mm NATO
From the manufacturer
Ultradyne Mercury Compensator .625x24 6.5. 223 5.56 caliber to provide superior recoil reduction and neutralize muzzle rise with a smooth balanced release of blast energy. Progressive 90 side ports vent combusting gases at intervals that spread out the recoil impulse for efficient accurate follow-up shots. MERCURY is the choice for those seeking a compact lightweight muzzle device with smooth recoil characteristics and Dynamount on-barrel sight compatibility. A timing nut is included for easy installation. Specifications for Ultradyne Mercury Compensator: Manufacturer: Ultradyne Threads per Inch: 1/2x28 Color: Black Country of Origin: USA Features of Ultradyne Mercury Compensator Ultra smooth recoil reduction and minimal shooter distraction. 416 Stainless Steel with ultra-rugged salt bath nitride finish. Barrel-mounted sight option eliminates sight deflection associated with handguard mounting. Package Contents: Ultradyne Mercury Compensator Ultradyne UD10717: Mercury Compensator .625x24 6.5
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