Ballistic Advantage Modern Series 5.56 10.5" Carbine Barrel, QPQ - BABL556005M
$133.00 at Brownells · 7 stores
In stock
AR-15 10.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 Nato8
Rosco Manufacturing · Barrels
No ratings yetBest price
$132.30at OpticsPlanet
In stock Sale checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $132.30Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $144.90checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| MidwayUSA | $144.90checked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| Battlehawk Armory | $116.06Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $152.99checked Oct 1, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells | $122.50checked Oct 1, 2026 | Out of stock | Buy at Brownells |
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 OpticsPlanet. 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 | $144.90 |
| Battlehawk Armory | $116.06 | $116.06 | $116.06 |
| Brownells | $122.50 | $122.50 | $122.50 |
| MidwayUSA | $144.90 | $144.90 | $144.90 |
| OpticsPlanet | $132.30 | $132.30 | $132.30 |
| Palmetto State Armory | $152.99 | $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 6 stores (3 in stock), from $116.06 to $152.99. The lowest in-stock price in the last 30 days was $132.30 at OpticsPlanet.
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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