Stern Defense MOD5 MLOK 16.1" 45 ACP AR-15 Complete Upper
$593.11 at OpticsPlanet · 3 stores
In stock Sale
Best price
$849.99at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Stern Defense MOD5 MLOK 16.1" 45 ACP AR-15 Complete Upper $593.11at OpticsPlanet
- Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8… $550.00at OpticsPlanet
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $849.99Salechecked Oct 22, 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.
Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK
$550.00 at OpticsPlanet · 2 stores
In stock Sale
Price history
Dashed line = out of stock. Tracking since Oct 14, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $849.99 | $849.99 | $849.99 |
Since Oct 14, 2026.
About this part
The CMMG MkG .45 ACP Banshee Upper Group Receiver 8in Tungsten is an 8" .45 ACP upper receiver from CMMG. One store lists it, OpticsPlanet at $849.99.
Fits and works with
- Caliber
- .45 ACP · Shop matching ammo
- Bolt
- .45 ACP · Bolt carrier groups
- Barrel length
- 8" · Handguards
Specifications
- Manufacturer
- CMMG
- Color
- Tungsten
- Platform
- AR-9
- Caliber
- .45 ACP
From the manufacturer
CMMG MkG .45 ACP Banshee Upper Group Receiver 8in Tungsten. For those looking for a modern platform in a classic chambering look no further than the BANSHEE MkG upper group. With an 8 barrel this is the key to building your next AR pistol or SBR that balances ballistic performance in an ergonomic and compact package. Specifications for CMMG MkG .45 ACP 8in Banshee Upper Group Receiver: Manufacturer: CMMG Caliber: .45 ACP Overall Length: 16.7 in Barrel Length: 8 in Barrel Profile: Medium Tapered Barrel Twist Rate: 1-16 Muzzle Device: CMMG Zeroed Muzzle Brake Fabric/Material: 6061-T6 Aluminum Gun Rail: M-LOK Gun Make: CMMG Weight: 2.9 lb Magazine Included: No Mount Type: M-LOK Threads per Inch: .578x28 Package Contents: CMMG MkG .45 ACP 8in Banshee Upper Group Receiver CMMG 45BBF1D-TNG: MkG .45 ACP Banshee Upper Group Receiver 8in Tungsten
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