CMMG AR-15 RipBrace – Standard 6-Position Receiver Extension & Brace Kit

SKU: 55CA9F7

Click Here for Price
Out of Stock

Join the waitlist to be emailed when this product becomes available

Orders will Ship within 1 Business Day
AT3 Tactical Spear M-LOK Free Float Handguard 9 Inch with Slick Side Billet Upper Receiver FDE 12 Inch

AT3™ Upper Receiver and SPEAR Handguard Combo - Flat Dark Earth, 12 inch


AT3™ AR-15 Bolt Carrier Group -  5.56 NATO/.300 Blackout - Black Nitride

AT3™ Black Nitride Carrier Group - 5.56 NATO/.300 Blackout


Full-Size 6-Position RipBrace With A Lightning-Fast Deployment

The CMMG AR-15 RipBrace – Standard 6-Position Receiver Extension & Brace Kit is the full-size carbine version of the CMMG’s RipBrace that features 6 position adjustments and lets you set your predetermined length of pull with the P3 indexing screw.

This pistol stabilizing brace kit comes with everything that is necessary to install it to your lower receiver including the recoil spring and buffer weight.

Durable & Low Profile

The CMMG AR-15 RipBrace – Standard 6-Position Receiver Extension & Brace Kit is designed to be extremely fast to deploy, low-profile, and durable. It is a revolutionary, retractable pistol brace engineered for lightning-fast deployment to your personal setting.

The buffer tube is constructed from 6061-T6 aluminum and the kit allows you to pull straight back on the stock and extend it to your preferred length every time with no locking tabs to potentially bind. If you are building a compact PDW style AR pistol, the RipBrace kit a great option to maximize the potential of your build.

NOTE: When fully collapsed, the CMMG RipBrace only adds 7” to the end of your AR-15 and can be fully extended to 9.5”, allowing you to fit your gun in a backpack and then be able to quickly deploy the brace and be on target in a matter of seconds. This pistol arm brace kit also includes an ambidextrous sling plate and a castle nut for installation.


  • Standard carbine length design
  • Hardcoat anodized 6061-T6 aluminum buffer tube
  • Quick deploy system
  • P3 indexing screw allows you to set your own preset length
  • Collapsed length: 7”
  • Extended Length: 9.5”
  • Weight: 14 oz.

Package Includes:

  • CMMG  Standard RipBrace
  • RipStock Enhanced 6-Position Tube
  • P3 Indexing Screw
  • Spring and Buffer
  • Ambidextrous Sling Plate
  • Castle Nut

Have Questions About this Product?

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.


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.