Skip to main content
Sign In / EnrollGet rewarded!
Menu

Search

Home

Sign In

Cart
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog

CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver

  • New Arrival

CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver

Item # 609214299

CMMG CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver
CMMG CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver
$1099.99
or
or

Add this item to unlock free delivery!

Notice:
This Item cannot be shipped to CA, CT, IL, MA, WA.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

  • New Arrival

CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver

Item # 609214299

CMMG CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver
CMMG CMMG Banshee MK3 Upper for AR-Platform, 12.50 in., 8.6Blackout, Black Armor Cerakote Receiver

$1099.99
or
or
financeCard Logo
$46/mo.†  suggested payments with 24 Months Financing or earn $54 in Rewards+ on this purchase.
Valid 11/02/2026 - 11/29/2026

Add this item to unlock free delivery!

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

Notice:
This Item cannot be shipped to CA, CT, IL, MA, WA.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

The quick 1:3 twist rate 8.6 BLK does great with less barrel length for someone wanting to swap uppers to shoot 8.6 BLK or for those wanting to start a new build. The CMMG Mk3 platform is based on the popular DPMS Gen 1 high-pattern LR308 design.

  • 1:3 twist rate 8.6 BLK performs well with less barrel length.
  • Good option for swapping uppers to shoot 8.6 BLK.
  • Also suitable for starting a new build.
  • CMMG Mk3 platform is based on the DPMS Gen 1 high-pattern LR308 design.
  • Firearm Fitment: AR-Platform
  • Barrel Length: 12.50"
  • Barrel Length Range: 12" to 12.99"
  • Caliber: 8.6 Blackout
  • Color: Armor Black
  • Gun Platform: AR Style
  • Receiver Finish: Black Armor Cerakote
  • Twist: 1:3"

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. CMMG Banshee MK3 Upper for AR-Platform, 16.10 in., 8.6Blackout, Black Armor Cerakote Receiver
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Banshee MK3 Upper for AR-Platform, 16.10 in., 8.6Blackout, Black Armor Cerakote Receiver

    $1,149.99
  2. CMMG Banshee Upper for AR-Platform, 5 in., 5.7x28mm, Armor Black, M-LOK Free-Float Handguard
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Banshee Upper for AR-Platform, 5 in., 5.7x28mm, Armor Black, M-LOK Free-Float Handguard

    $974.99
  3. CMMG Resolute MK4 Upper, 16.10 in., 338 ARC, Black Nitride Barrel, Aluminum, Black Armor Cerakote Receiver
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Resolute MK4 Upper, 16.10 in., 338 ARC, Black Nitride Barrel, Aluminum, Black Armor Cerakote Receiver

    $949.99
  4. CMMG Banshee MK4 Upper for AR-Platform, 4.50 in., 22 LR, Armor Black, M-LOK Free-Float Handguard
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Banshee MK4 Upper for AR-Platform, 4.50 in., 22 LR, Armor Black, M-LOK Free-Float Handguard
  5. CMMG Forward Assist Kit for AR-Platform/CMMG Mk3/CMMG LR-308, Black
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Forward Assist Kit for AR-Platform/ Mk3/ LR-308, Black

    $17.99
  6. CMMG 8.6 Blackout Barrel Sub-Assembly, 12.50 in., 5/8 in. x 24 Thread, Black Nitride, 4140CM
    0.0 out of 5 stars with 0 reviews (0)

    CMMG 8.6 Blackout Barrel Sub-Assembly, 12.50 in., 5/8 in. x 24 Thread, Black Nitride, 4140CM

    $274.99
  7. CMMG Dissent MK4 Upper for AR-Platform, 10.50 in., 300, Blackout, Left Side Charging Handle, Armor, Black, Zeroed Linear Comp
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Dissent MK4 Upper for AR-Platform, 10.50 in., 300, Blackout, Left Side Charging Handle, Armor, Black, Zeroed Linear Comp
  8. CMMG Resolute MK4 Upper for AR-Platform, 16.10 in., 350 Legend, Armor Black, M-LOK Free-Float Handguard
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Resolute MK4 Upper for AR-Platform, 16.10 in., 350 Legend, Armor Black, M-LOK Free-Float Handguard

    $949.99
  9. CMMG Enhanced Field Repair Kit for AR-15, Black
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Enhanced Field Repair Kit for AR-15, Black

    $39.99
  10. CMMG Dissent Upper for AR-Platform, 10.50 in., 9mm Luger, Left Side Charging Handle, Armor, Black, Zeroed Linear Comp
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Dissent Upper for AR-Platform, 10.50 in., 9mm Luger, Left Side Charging Handle, Armor, Black, Zeroed Linear Comp

    $1,399.99
  11. CMMG Resolute MK4 Upper for AR-Platform (No BCG or Charging Handle), 16.10 in., 5.56x45mm NATO, Armor Black, M-LOK Handguard
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Resolute MK4 Upper for AR-Platform (No BCG or Charging Handle), 16.10 in., 5.56x45mm NATO, Armor Black, M-LOK Handguard

    $609.99
  12. CMMG Dissent Upper for AR-Platform, 6.50 in., 9mm Luger, Left Side Charging Handle, Armor, Black, OEM Zeroed Linear Comp
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Dissent Upper for AR-Platform, 6.50 in., 9mm Luger, Left Side Charging Handle, Armor, Black, OEM Zeroed Linear Comp
  13. CMMG Resolute MK4 Upper for AR-Platform (No BCG or Charging Handle), 16.10 in., 300 Blackout, Armor Black, M-LOK Handguard
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Resolute MK4 Upper for AR-Platform (No BCG or Charging Handle), 16.10 in., 300 Blackout, Armor Black, M-LOK Handguard
  14. CMMG Dissent MK4 Upper for AR-Platform, 6.50 in., 300, Blackout, Left Side Charging Handle, Armor, Black, Zeroed Linear Comp
    0.0 out of 5 stars with 0 reviews (0)

    CMMG Dissent MK4 Upper for AR-Platform, 6.50 in., 300, Blackout, Left Side Charging Handle, Armor, Black, Zeroed Linear Comp
  15. CMMG 33 Round 9mm Magazine for AR-15, Black, Polymer
    0.0 out of 5 stars with 0 reviews (0)

    CMMG 33 Round 9mm Magazine for AR-15, Black, Polymer

    $32.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product