Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport Muzzle Brake
No ratings yetBest price
$339.99at OpticsPlanet
Out of stock Sale checked Nov 10, 2026
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Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $339.99Salechecked Nov 10, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Price history
Dashed line = out of stock. Tracking since Oct 30, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $339.99 | $329.99 | $339.99 |
Since Oct 30, 2026.
About this part
The Moriarti AR-15 Upper Receiver 300 Blackout 10.5in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport Muzzle Brake is a 10.5" 300 Blackout upper receiver from Moriarti. One store lists it, OpticsPlanet at $339.99.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Muzzle thread
- 5/8x24 · Muzzle devices
- Barrel length
- 10.5" · Handguards
- Handguard length
- 10.5" · Barrels
Specifications
- Manufacturer
- Moriarti
- Platform
- AR-15
- Caliber
- 300 Blackout
From the manufacturer
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