Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 16 inch Mid Length 1-7 Twist 5/8-24 Stainless Steel
No ratings yetBest price
$579.99at GunMag Warehouse
In stock checked Nov 13, 2026
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
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Proof Research
- Color
- Silver / Stainless
- Platform
- AR-15
- Caliber
- .223 Wylde
- Gas system
- Mid
- Barrel length
- 16"
- Twist rate
- 1:7
- Thread pattern
- 5/8 x 24
- Weight
- 34.4 oz
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $579.99checked Nov 13, 2026 | In stock | Buy at GunMag Warehouse | |
| MidwayUSA | $628.89Salechecked Nov 13, 2026 | In stock | Buy at MidwayUSA | |
| Battlehawk Armory | $572.25checked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| GrabAGun | $649.00checked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Natchez | $649.00checked Nov 13, 2026 | Check store | Buy at Natchez | |
| OpticsPlanet | $649.00Salechecked Nov 13, 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: $538.67 at MidwayUSA. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Battlehawk Armory | $572.25 | $572.25 | $572.25 |
| GrabAGun | $649.00 | $649.00 | $649.00 |
| GunMag Warehouse | $579.99 | $579.99 | $649.99 |
| MidwayUSA | $628.89 | $538.67 | $657.99 |
| Natchez | $649.00 | $649.00 | $649.00 |
| OpticsPlanet | $649.00 | $649.00 | $649.00 |
Since Oct 12, 2026.
About this part
The Proof Research AR Steel .223 Wylde Threaded Rifle Barrel 16 inch Mid Length 1-7 Twist 5/8-24 Stainless Steel is a 16" 5.56 / .223 barrel from Proof Research with a mid-length gas system. It's sold by 6 stores (2 in stock), from $572.25 to $649.00. The lowest in-stock price in the last 30 days was $538.67 at MidwayUSA.
From the manufacturer
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