Diamondback Firearms OEM Replacement Barrel FN Herstal M16 5.56x45mm NATO 16in Medium Profile Carbine-Length 1-8 Twist 1/2 x 28 Thread 4150 CrMov
$91.49 at Ammunition Depot · 7 stores
In stock
Diamondback AR-15 223 Rem & 556 NATO 16" 1:8 Barrel, Black Nitride Finish
No ratings yetBest price
$92.99at GunMag Warehouse
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $92.99checked Oct 21, 2026 | In stock | Buy at GunMag Warehouse | |
| Kentucky Gun Co | $94.30checked Oct 21, 2026 | In stock | Buy at Kentucky Gun Co | |
| MidwayUSA | $98.80Salechecked Oct 21, 2026 | In stock | Buy at MidwayUSA | |
| Ammunition Depot | $98.99checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| OpticsPlanet | $99.99Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Sportsman's Warehouse | $103.00checked Oct 21, 2026 | In stock | Buy at Sportsman's Warehouse | |
| Battlehawk Armory | $85.28Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $102.99Salechecked Oct 21, 2026 | Check store | Buy at Palmetto State Armory |
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: $92.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $98.99 | $98.99 | $102.99 |
| Battlehawk Armory | $85.28 | $85.28 | $85.28 |
| GunMag Warehouse | $92.99 | $92.99 | $92.99 |
| Kentucky Gun Co | $94.30 | $94.30 | $94.30 |
| MidwayUSA | $98.80 | $98.80 | $103.00 |
| OpticsPlanet | $99.99 | $99.99 | $99.99 |
| Palmetto State Armory | $102.99 | $102.99 | $102.99 |
| Sportsman's Warehouse | $103.00 | $103.00 | $103.00 |
Since Sep 28, 2026.
About this part
The Diamondback AR-15 223 Rem & 556 NATO 16" 1:8 Barrel, Black Nitride Finish is a 16" 5.56 / .223 barrel from Diamondback. It's sold by 8 stores (6 in stock), from $85.28 to $103.00. The lowest in-stock price in the last 30 days was $92.99 at GunMag Warehouse.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 16" · Handguards
Specifications
- Manufacturer
- Diamondback
- Color
- Black
- Platform
- AR-15
- Caliber
- .223 Rem
- Barrel length
- 16"
- Twist rate
- 1:8
From the manufacturer
Diamondback AR-15 223 Rem & 556 NATO 16" 1:8 Barrel, Black Nitride Finish - 556M16M50B8R
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