Rosco Manufacturing K9 Sauce Pack Barrel and Bolt Carrier Group Kit 5.56x45mm, Black
$292.84 at Kentucky Gun Co · 4 stores
In stock
Best price
$159.99at GunMag Warehouse
In stock checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $159.99checked Oct 21, 2026 | In stock | Buy at GunMag Warehouse | |
| OpticsPlanet | $169.99Salechecked Oct 21, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $175.00checked Oct 21, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $145.00checked Oct 21, 2026 | Check store | Buy at Battlehawk Armory | |
| Brownells | $144.00checked Oct 21, 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: $159.99 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 | $175.00 | $175.00 | $175.00 |
| Battlehawk Armory | $145.00 | $145.00 | $145.00 |
| Brownells | $144.00 | $144.00 | $144.00 |
| GunMag Warehouse | $159.99 | $159.99 | $159.99 |
| OpticsPlanet | $169.99 | $169.99 | $171.99 |
Since Sep 28, 2026.
About this part
The AR-15 Bolt Carrier Group Phosphate 5.56mm is a 5.56 / .223 bolt carrier group from Rosco Manufacturing. It's sold by 5 stores (3 in stock), from $144.00 to $175.00. The lowest in-stock price in the last 30 days was $159.99 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
Specifications
- Manufacturer
- Rosco Manufacturing
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Finish
- Phosphate
From the manufacturer
These 5.56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel, Full-Auto rated, properly staked, and the bolts are Matched to the barrel. The Nitride version features a melonite coating for extended performance. The Rosco Phosphate and Nitride Bolt Carrier Groups are designed to meet the modern-day carbine shooters requirements. They have also balanced input from their consumers and military end users in order to bring you the product you need, not just the one Rosco wants to sell you. All Rosco BCG's are to MIL Specification and have a properly staked gas key along with a chrome lined coating for extended performance. They also feat Mfg: Rosco Manufacturing
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