Obsidian Arms .223 Thunder Brake 3-Gun Legal 1/2-28 Stainless Steel Assembly
Obsidian Arms · Muzzle Devices
No ratings yetBest price
$52.25at OpticsPlanet
In stock Sale checked Oct 31, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $52.25Salechecked Oct 31, 2026 | In stock | Buy at OpticsPlanet | |
| AR15Discounts | $55.00checked Oct 31, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $55.00checked Oct 31, 2026 | Check store | Buy at Dirty Bird |
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: $52.25 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $55.00 | $55.00 | $55.00 |
| Dirty Bird | $55.00 | $55.00 | $55.00 |
| OpticsPlanet | $52.25 | $52.25 | $52.25 |
Since Oct 28, 2026.
About this part
The Obsidian Arms .223 Thunder Brake 3-Gun Legal 1/2-28 Stainless Steel Assembly is a muzzle brake from Obsidian Arms. It's sold by 3 stores (1 in stock), from $52.25 to $55.00. The lowest in-stock price in the last 30 days was $52.25 at OpticsPlanet.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Muzzle thread
- 1/2x28 · Muzzle devices
Specifications
- Manufacturer
- Obsidian Arms
- Type
- Muzzle Brake
- Caliber
- .223 / 5.56
- Thread pattern
- ½ x 28
- Material
- Steel
From the manufacturer
Experience unparalleled control and precision with the Obsidian Arms .223 Thunder Brake 3-Gun Legal 1/2-28 Stainless Steel Assembly, the ultimate muzzle device for competitive shooters and tactical enthusiasts. Designed to transform your .223/5.56mm rifle into a flat-shooting powerhouse, this compensator drastically reduces recoil and eliminates muzzle rise, allowing you to stay on target during rapid fire sequences and high-stakes competitions. Key Features Advanced Gas Redirection: Dual chambers with large side ports vector gases horizontally, minimizing felt recoil by up to 60% while top vents counteract muzzle climb for superior follow-up shots. 3-Gun Competition Compliant: Meets strict regulations with a compact 1-inch diameter and under 3-inch length, ensuring it's ideal for 3-gun matches without penalties. Premium Stainless Steel Construction: Crafted from durable, corrosion-resistant stainless steel for long-lasting performance in demanding conditions. Easy Installation: Threads securely onto 1/2-28 barrels and includes a crush washer for precise, tool-free alignment. Technical Specifications Caliber: .223/5.56mm Thread Pattern: 1/2-28 TPI Material: Stainless Steel Weight: 5 oz Dimensions: 1-inch diameter, less than 3 inches long Includes: Crush washer for secure mounting Why Choose the Obsidian Arms Thunder Brake? In the world of tactical firearms accessories, managing recoil isn't just about comfort-it's about maintaining accuracy and speed under pressure. This thunder brake addresses common pain points like excessive muzzle flip during rapid fire, which can throw off your aim and slow your transitions. By redirecting blast sideways, it keeps your sight picture steady, reduces shooter fatigue, and enhances overall handling of your AR-15 platform. Whether you're competing in 3-gun events or honing skills at the range, this device delivers tangible benefits: faster target acquisition, improved shot consistency, and a more enjoyable shooting experience without compromising on reliability. Engineered for shooters who demand the best, the Obsidian Arms Thunder Brake stands out in the crowded field of .223 muzzle brakes by combining compact design with aggressive performance. Don't let recoil hold you back-equip your rifle with this proven compensator and elevate your game today. Frequently Asked Questions Is the Obsidian Arms Thunder Brake suitable for 3-gun competitions? Yes, it fully complies with 3-gun regulations, featuring a 1-inch diameter and length under 3 inches to avoid any disqualification issues. How does this muzzle brake reduce recoil and muzzle rise? The dual-chamber design with side and top ports redirects propellant gases effectively, cutting felt recoil significantly and keeping the muzzle flat for quicker follow-up shots. Is installation straightforward for this .223 compensator? Absolutely- it threads directly onto standard 1/2-28 barrels and comes with a crush washer for easy, precise setup without special tools.
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