Mk109 Mod 2-M 300 AAC Blackout 9.75" Bbl Complete Upper
$1,399.95 at MidwayUSA · 5 stores
In stock
300BLK 8.7" Model 1 BLK Complete Upper Receiver Black
Radian Weapons · Upper Receiver
No ratings yetBest price
$1,829.95at OpticsPlanet
In stock Sale checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $1,829.95Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $1,829.95checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| MidwayUSA | $1,829.95checked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| Brownells | $1,363.99not checked recently | Check store | Buy at Brownells | |
| Battlehawk Armory | $1,829.95checked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $1,829.99checked Oct 1, 2026 | Check store | Buy at Palmetto State Armory |
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: $1,829.95 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $1,829.95 | $1,829.95 | $1,829.95 |
| Battlehawk Armory | $1,829.95 | $1,829.95 | $1,829.95 |
| MidwayUSA | $1,829.95 | $1,829.95 | $1,829.95 |
| OpticsPlanet | $1,829.95 | $1,829.95 | $1,829.95 |
| Palmetto State Armory | $1,829.99 | $1,829.99 | $1,829.99 |
Since Sep 28, 2026.
About this part
The 300BLK 8.7" Model 1 BLK Complete Upper Receiver Black is an AR-15 complete upper receiver from Radian Weapons. It's sold by 6 stores (3 in stock), from $1,363.99 to $1,829.99. The lowest in-stock price in the last 30 days was $1,829.95 at Ammunition Depot.
Fits and works with
- Caliber
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 8.7" · Handguards
Specifications
- Manufacturer
- Radian Weapons
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Barrel length
- 8.7"
- Length
- 7
From the manufacturer
- Sub-MOA Accuracy Guarantee w/ Black Hills Match Grade Ammunition
- Billet Machined 7075-T6 Upper Receiver w/ M4 Feed Ramps
- Proprietary Extended Aluminum Hand Guard w/ Magpul M-LOK® Modular Mounting System and Integrated Upper/Hand Guard Stainless Steel Anti-Rotation Pin
- Match Grade 416R Stainless Steel Barrel w/ Polished Crown and Feed Ramps, Chambered in 300 BLK, Threaded 5/8 x 24
- Enhanced Black Nitride M16 Bolt Carrier Group
- DLC Coated Lightweight Titanium Forward Assist
- Radian Raptor-SD™ Suppressor-Optimized Ambidextrous Charging Handle
- Direct Impingement Gas System
- 8.7” & 14.5” 300 BLK: Pistol-Length
- SilencerCo® ASR™ Flash Hider/Suppressor Mount
- Flash hiders are not pinned
- All NFA rules apply
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