AR-15 14.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 NATO
$147.60 at Kentucky Gun Co · 8 stores
In stock
AR-15 10.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 Nato8
No ratings yetBest price
$144.90at Ammunition Depot
In stock checked Oct 13, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $144.90checked Oct 13, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $116.06Salechecked Oct 13, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $152.99checked Oct 12, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells | $122.50checked Oct 21, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $132.30Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet | |
| Kentucky Gun Co | $132.30checked Oct 21, 2026 | Out of stock | Buy at Kentucky Gun Co | |
| MidwayUSA | $144.90checked Oct 21, 2026 | Out of stock | Buy at MidwayUSA |
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: $132.30 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | — | $144.90 | $144.90 |
| Battlehawk Armory | — | $116.06 | $116.06 |
| Brownells | $122.50 | $122.50 | $122.50 |
| Kentucky Gun Co | $132.30 | $132.30 | $132.30 |
| MidwayUSA | $144.90 | $144.90 | $144.90 |
| OpticsPlanet | $132.30 | $132.30 | $132.30 |
| Palmetto State Armory | — | $152.99 | $152.99 |
Since Sep 28, 2026.
About this part
The AR-15 10.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 Nato8 is a 10.5" 5.56 / .223 barrel from Rosco Manufacturing with a carbine gas system. It's sold by 7 stores (1 in stock), from $116.06 to $152.99. The lowest in-stock price in the last 30 days was $132.30 at Kentucky Gun Co.
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
- Carbine · Handguards
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 10.5" · Handguards
Specifications
- Manufacturer
- Rosco Manufacturing
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Gas system
- Carbine
- Barrel length
- 10.5"
- Thread pattern
- ½ x 28
From the manufacturer
The Rosco 5.56 barrels are designed to meet the modern-day carbine shooters requirements. Rosco Manufacturing is a long way from your daddy's "Sporter" AR, and those specs just won't cut it anymore. From properly managed dwell times for SBR's, to running Suppressed, or setting up a balanced patrol carbine they have incorporated your needs into our engineering. Rosco has successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel they are making (not a lazy blanket method). They have also balanced input from our consumers and military end users to bring you the product you need, not just the Mfg: Rosco Manufacturing
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