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 Mkgs Banshee Upper Receiver Group .40 S&W 8in Armor Black 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
- Black
- Platform
- AR-9
- Caliber
- .45 ACP
From the manufacturer
CMMG Mkgs Banshee Upper Receiver Group .40 S&W 8in Armor Black. 40 S&W has proven itself to be an incredibly capable round. Now anyone looking to build a powerful and ultra-compact .40 S&W personal defense weapon can in no time. Simply pair with a CMMG MkGs lower and youre ready to hit the range.Originally developed for the .45 ACP MkG platform CMMG has adapted our Radial Delayed Blowback system across our pistol caliber lineup to create pistols and rifles with a softer recoil impulse and reduced bolt weight compared to traditional straight blowback systems. Specifications for CMMG Mkgs Banshee Upper Receiver Group: Manufacturer: CMMG Caliber: .40 S&W Barrel Length: 8 in Muzzle Device: CMMG Zeroed Linear Compensator Color: Armor Black Fabric/Material: 6061-T6 Aluminum Gun Rail: Picatinny Magazine Included: No Condition: New Mount Type: Picatinny Package Contents: CMMG Mkgs Banshee Upper Receiver Group CMMG 40B735C-AB: Mkgs Banshee Upper Receiver Group .40 S&W 8in Armor Black
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