CMMG Mk4LE OR 300 BLK Upper Receiver Group

CMMG Mk4LE OR 300 BLK Upper Receiver Group is rated 4.8 out of 5 by 5.
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$649.99
Caliber/Gauge: 300 AAC Blackout
Description: Carbine-Length
Product Chart
Caliber/Gauge
Description
Model Number
Availability
Price & Quantity
Additional Info
Availability
300 AAC Blackout
Carbine-Length
30BF85F/11082
Ship to Address
Free Ship to Store
Store Availability at
Check Store Inventory Check Store Availability Change stores
$649.99
SKU: 1921147
Invalid quantity
Add to Cart
Caliber/Gauge
300 AAC Blackout
Description
Carbine-Length
Model Number
30BF85F/11082
Ship to Address
Free Ship to Store
Store Availability at
Check Store Inventory Check Store Availability Change stores
CMMG Mk4LE OR 300 BLK Upper Receiver Group
SKU:  1921147
Caliber/Gauge
300 AAC Blackout
Description
Carbine-Length
Model Number
30BF85F/11082
$649.99
Invalid quantity
Add to Cart
Ship to Address
Free Ship to Store
Store Availability at
Check Store Inventory Check Store Availability Change stores
Description
CMMG Mk4LE OR 300 BLK Upper Receiver Group

The CMMG Mk4LE OR 300 BLK Upper Receiver Group is chambered for the 300 AAC Blackout (7.62x35mm) cartridge. It features a 16", M300 profile, 4140 chrome-moly steel barrel. A salt bath nitrided finish is applied to the barrel inside and out for improved wear, abrasion, and corrosion resistance. The Mk4LE comes with an M4 hand guard, and a railed gas block. There is no front sight to interfere with the sight picture when using tactical sights attached to the receiver's rail. The barrel of the CMMG Mk4LE OR 300 BLK Upper Receiver Group has a 1:7" twist, and the muzzle utilizes an A2 compensator with a 5/8"-24 thread.
Manufacturer model #: 30BF85F.

  • Chambered for the 300 AAC Blackout
  • 4140 chrome-moly steel barre
  • Salt bath nitrided finish
  • M4 hand guard
  • Railed gas block
Web ID: 1411191047
Important notice
  • Notice--Restricted in CA, CT, DC, GA, NM, MD, RI, and New Orleans LA.
    Sale of this item is restricted in CA, CT, DC, GA, NM, MD, RI, and New Orleans, LA. U.S sale only. --- Even though you are able to checkout with this item, it will be removed from your order if shipping to a restricted location.
  • Notice--Pay Pal.
    This item may not be purchased by using the Pay Pal method of payment.
  • Notice--Bulk Item Packaging.
    Please note that this item ships in its own packaging, so the contents may be identified.