AR-15 10.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 Nato8
$144.90 at Ammunition Depot · 7 stores
In stock
AR-15 14.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 NATO
No ratings yetBest price
$147.60at Kentucky Gun Co
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $147.60checked Oct 21, 2026 | In stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $162.00Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $162.00checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $162.99checked Oct 21, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $123.81Salechecked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $162.99Salechecked Oct 21, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells | $137.50checked Oct 21, 2026 | Out of stock | Buy at Brownells | |
| MidwayUSA | $162.00checked 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: $147.60 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 | $162.00 | $162.00 | $162.00 |
| Battlehawk Armory | $123.81 | $123.81 | $123.81 |
| Brownells | $137.50 | $137.50 | $137.50 |
| GunMag Warehouse | $162.99 | $162.99 | $162.99 |
| Kentucky Gun Co | $147.60 | $147.60 | $147.60 |
| MidwayUSA | $162.00 | $162.00 | $162.00 |
| OpticsPlanet | $162.00 | $162.00 | $162.00 |
| Palmetto State Armory | $162.99 | $162.99 | $162.99 |
Since Sep 28, 2026.
About this part
The AR-15 14.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 NATO is a 14.5" 5.56 / .223 barrel from Rosco Manufacturing with a carbine gas system. It's sold by 8 stores (4 in stock), from $123.81 to $162.99. The lowest in-stock price in the last 30 days was $147.60 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
- 14.5" · Handguards
Specifications
- Manufacturer
- Rosco Manufacturing
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Gas system
- Carbine
- Barrel length
- 14.5"
- 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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