Guntec USA AR-15 Pistol Length Gas Tube Matte Rainbow PVD Coated
$45.99 at OpticsPlanet
In stock Sale
Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R
No ratings yetBest price
$88.55at Kentucky Gun Co
In stock Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Gas system
- Pistol · Handguards
Specifications
- Manufacturer
- Diamondback
- Color
- Black
- Gas system
- Pistol
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $88.55checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $101.99Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| Battlehawk Armory | $80.08Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $80.99checked Oct 10, 2026 | Check store | Buy at Palmetto State Armory | |
| GrabAGun | $90.69Salechecked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Classic Firearms | $90.92checked Nov 13, 2026 | Check store | Buy at Classic Firearms | |
| Ammunition Depot | $85.99checked Oct 12, 2026 | Out of stock | Buy at Ammunition Depot | |
| Sportsman's Warehouse | $96.00checked Oct 11, 2026 | Out of stock | Buy at Sportsman's Warehouse |
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: $88.55 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 | — | $85.99 | $85.99 |
| Battlehawk Armory | $80.08 | $80.08 | $80.08 |
| Classic Firearms | $90.92 | $90.92 | $90.92 |
| GrabAGun | $90.69 | $90.69 | $90.69 |
| Kentucky Gun Co | $88.55 | $88.55 | $88.55 |
| OpticsPlanet | $101.99 | $87.99 | $101.99 |
| Palmetto State Armory | — | $80.99 | $80.99 |
| Sportsman's Warehouse | — | $96.00 | $96.00 |
Since Sep 28, 2026.
About this part
The Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R is a gas system part from Diamondback. It's sold by 8 stores (2 in stock), from $80.08 to $101.99. The lowest in-stock price in the last 30 days was $88.55 at Kentucky Gun Co.
From the manufacturer
Diamondback Firearms 300 Blackout 10" Black 1:8 Pistol Length Gas System 300P10H50B8R
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