Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 18 inch Rifle Length 1-7 Twist 5/8-24 Stainless Steel
$649.99 at GunMag Warehouse · 2 stores
In stock
Proof Research AR-15 223Wylde Threaded AR Barrel Standard Standard 16 in Gas Length Intermediate 8 Twist Pxt 2.10 Weight Silver
No ratings yetBest price
$749.00at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 18 inc… $649.99at GunMag Warehouse
- Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 20 inc… $649.99at GunMag Warehouse
- BSF Threaded Mid Length 14.5in .875 Strait Black/Stainless $749.99at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $749.00Salechecked Oct 21, 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.
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Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 20 inch Rifle Length 1-7 Twist 5/8-24 Stainless Steel
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Price history
Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $749.00 | $749.00 | $749.00 |
Since Oct 17, 2026.
About this part
The Proof Research AR-15 223Wylde Threaded AR Barrel Standard Standard 16 in Gas Length Intermediate 8 Twist Pxt 2.10 Weight Silver is a 16" 5.56 / .223 barrel from Proof Research with an intermediate gas system. One store lists it, OpticsPlanet at $749.00.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Intermediate · Handguards
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Proof Research
- Platform
- AR-15
- Caliber
- .223 Wylde
- Gas system
- Intermediate
- Barrel length
- 16"
From the manufacturer
Proof Research AR-15 223Wylde Threaded AR Barrel Standard Standard 16 in Gas Length Intermediate 8 Twist Pxt 2.10 Weight Silver. PXT - PROOF Exponential Twist - is a complete rethinking of conventional rifling geometry and twist progression engineered to reduce engraving force minimize throat erosion and create a smoother transition as the projectile engages the rifling. Specifications for Proof Research AR-15 223Wylde Threaded AR Barrel: Manufacturer: Proof Research Color: Silver Fabric/Material: Stainless Steel Caliber: .223 Wylde Barrel Profile: Standard Barrel Material: Stainless Steel Flutes: No Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Firearms Threads Per Inch: 1/2x28 Package Contents: Proof Research AR-15 223Wylde Threaded AR Barrel What firearm models does the manufacturer say Proof Research AR-15 223Wylde Threaded AR Barrel is compatible with? The manufacturer suggests that Proof Research AR-15 223Wylde Threaded AR Barrel is compatible with AR-15Proof Research 155134: AR-15 223Wylde Threaded AR Barrel Standard Standard 16 in Gas Length Intermediate 8 Twist Pxt 2.10 Weight Silver
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