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 14.5 in Gas Length Mid 8 Twist Pxt 2.5 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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This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
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 14.5 in Gas Length Mid 8 Twist Pxt 2.5 Weight Silver is a 14.5" 5.56 / .223 barrel from Proof Research with a mid-length 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
- Mid-length · Handguards
- Barrel length
- 14.5" · Handguards
Specifications
- Manufacturer
- Proof Research
- Platform
- AR-15
- Caliber
- .223 Wylde
- Gas system
- Mid
- Barrel length
- 14.5"
From the manufacturer
Proof Research AR-15 223Wylde Threaded AR Barrel Standard Standard 14.5 in Gas Length Mid 8 Twist Pxt 2.5 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 152072: AR-15 223Wylde Threaded AR Barrel Standard Standard 14.5 in Gas Length Mid 8 Twist Pxt 2.5 Weight Silver
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