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CMMG Mk3 AR-10 Bolt Carrier Group – Phosphate and Chrome Lined

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SKU: 65BA4D6  |  UPC: 815835018997

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Premium Materials and Finished AR-10 Bolt Carrier Group

The CMMG Mk3 AR-10 Bolt Carrier Group is engineered for dependable performance in your AR-10 platform. Constructed from 8620 steel (carrier) and 9310 steel (bolt), this BCG is phosphate-coated for corrosion resistance and chrome-lined in key areas for smooth, reliable operation and easy maintenance. It’s fully compatible with DPMS Gen 1 high-profile AR-10 platforms and is ready to drop into any Mk3 upper or other compatible receiver. Designed for .308 Win, 7.62 NATO, and compatible calibers, this full-mass BCG is built to run hard and last long, whether you’re building a DMR, precision rifle, or battle rifle setup.

Features

  • Compatible with CMMG Mk3 uppers and DPMS Gen 1 High Pattern AR-10 uppers
  • Machined from 7075-T6 forged aluminum and finished with a Type III hardcoat anodize or cerakote
  • 8620 steel carrier with phosphate finish for durability
  • 9310 steel bolt, shot peened and magnetic particle inspected
  • Chrome-lined gas key and carrier interior for smooth cycling and longevity
  • Properly staked gas key and high-pressure tested components
  • Perfect for full-size rifle cartridges such as .308WIN, 6.5 Creedmoor, and many more
  • Made in the USA

Specifications

  • Brand: CMMG
  • Model: Mk3 AR-10 Bolt Carrier Group – Phosphate and Chrome Lined
  • MPN: 65BA4D6
  • Fit: DPMS Gen 1 High Pattern AR-10 Lowers
  • Caliber: Multi
  • Material: 8620 and 9310 Steel
  • Finish: Phosphate and Chrome

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

CMMG Warranty

Seller warrants to Buyer that for a period of 6 months from the Delivery Date, all Goods will be:

  • Free from any defects in workmanship, material, and design
  • Conform to applicable specifications[, drawings, designs, samples and other requirements specified by Buyer]
  • Fit for their intended purpose and operate as intended
  • Merchantable
  • Free and clear of all liens, security interests or other encumbrances
  • Not infringe or misappropriate any third party’s patent or other intellectual property rights.

Inspection and Rejection of Nonconforming Goods

The Buyer has the right to inspect the Goods for a period of thirty (30) days after the Delivery Date. Buyer, at its sole option, may inspect all or a sample of the Goods and may reject all or any portion of the Goods if it determines the Goods are non-conforming or defective.

If Buyer rejects any portion of the Goods, Buyer has the right, effective upon written notice to Seller, to:

  • Rescind the Order in its entirety
  • Accept the Goods at a reasonably reduced price
  • Reject the Goods and require replacement of the rejected Goods.

NOTES:

If Buyer requires replacement of the Goods, Seller shall, at its expense, promptly/within 30 days replace the nonconforming Goods and pay for all related expenses, including, but not limited to, transportation charges for the return of the defective goods and the delivery of replacement Goods.

If Seller fails to timely deliver replacement Goods, Buyer may replace them with goods from a third party and charge Seller the cost thereof and terminate this Order for cause pursuant to Section 20.

Any inspection or other action by Buyer under this Section shall not reduce or otherwise affect Seller’s obligations under the Order, and Buyer shall have the right to conduct further inspections after Seller has carried out its remedial actions.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

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