Helix 6 Precision Carbon Fiber 18in 6mm ARC Rifle+1 Rifle Barrel 243cal 0.75GB 1-7 Twist 5/8-24 Black
Helix 6 Precision · Barrels
No ratings yetBest price
$649.99at OpticsPlanet
In stock Sale Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Caliber
- 6mm ARC · Shop matching ammo
- Bolt
- 6.5 Grendel / 6mm ARC · Bolt carrier groups
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 18" · Handguards
Specifications
- Manufacturer
- Helix 6 Precision
- Color
- Black
- Platform
- AR-15
- Caliber
- 6mm ARC
- Barrel length
- 18"
- Twist rate
- 1:7
- Thread pattern
- 5/8 x 24
- Weight
- 33 oz
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $649.99Salechecked Nov 13, 2026 | In 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: $649.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $649.99 | $649.99 | $719.99 |
Since Oct 12, 2026.
About this part
The Helix 6 Precision Carbon Fiber 18in 6mm ARC Rifle+1 Rifle Barrel 243cal 0.75GB 1-7 Twist 5/8-24 Black is an 18" 6mm ARC barrel from Helix 6 Precision. One store lists it, OpticsPlanet at $649.99. The lowest in-stock price in the last 30 days was $649.99 at OpticsPlanet.
From the manufacturer
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