(R)ecoil (R)eduction (D)evice (2)ports (C)ompensator (15)15-1 Threads (F)aceMount (KM)KeyMount

This product is sold exclusively through HK Parts, please click here to purchase 

The RRD-2C is a shortened version of our popular RRD-4C muzzle brake. The RRD-2C was created by removing the 2 smallest ports from the RRD-4C, creating a more compact package while still maintaining the ability to mitigate recoil. 

*Can be permanently attached to a 14.5" barrel to achieve 16" OAL.

Product Specs:

• 15-1 Threads - Fits G36C, G36K, HK33, any 15-1 threads that are more than 0.9" from the gas block*
• Sleeves the barrel 0.9", adds 1.33"
• KeyMo & KeyMicro Suppressor compatible
• 10mm Bore
• 2.23" Long
• 17-4ph Stainless Steel
• Black Nitride
• Facemount Device*
• Not intended or recommended for barrels shorter than 10.5” (see below)*

*When testing these devices, we found that high rates of fire such as full auto or “mag dumps” could cause damage to the device due to the excess heat, pressure, and gasses from unburnt powder on shorter barrels.

*This device is designed to be tightened against the face of the barrel. You must use our face shims (optional) or your barrel MUST be faced to properly time this muzzle device. If you're not familiar with Facemount devices, click HERE to learn more!

*This device is designed specifically for the G36C, G36K and HK33. If your firearms has 15-1 threads, verify barrel dimensions before purchasing. (0.9" of clearance required from gas block, barrel diameter must be less than 0.65")

Keymount Suppressor Compatibility

***JMac Customs is NOT responsible for improper installation of this muzzle device or any damage to the suppressor using this device. We recommend this be professionally installed and checked to ensure alignment.***

JMac Customs recommends that all suppressor mounts be installed and checked for alignment by a certified professional. Serious damage could result to your suppressor/firearm and physical harm is possible if installed/used incorrectly. All suppressor mounts MUST be tight against the shoulder or face of the barrel, using shims or face-milling method. Contact us if you have any questions or need a recommendation for professional installation. JMac Customs LLC is not liable for injury, damage, or death related to the usage of this product.

This is a licensed product through Dead Air Silencers.