Stern Defense RAB-AD Rapid Attach Buttstock Adapter - Black

How to use: 

To detach, push the button and twist counter-clockwise 30 degrees.The buttstock will then be separated from the firearm. To re-attach, align the two pieces, push in and turn clockwise 30 degrees. The steel locking mechanism automatically secures the adapter. It's 7075 aluminum construction and steel internals make the RAB-AD both robust and lightweight. The RAB-AD is designed for gas piston, direct impingement, direct blow back and radial delayed blowback systems in the AR platform. 

RAB-AD Features 

• Designed, machined, and assembled in the U.S.A
• 7075 aluminum body
• Steel internals
• Hard coat anodized for maximum wear protection
• Buffer retainer to keep the buffer weight in the tube while disassembled
• Buffer spacer compatible with all standard-length AR-15 bolts
• RAB-AD weighs 3.5ounces
• Adds 1.25 inches to length of pull

NOTE: The RAB-AD is not compatible with BCG's that have a flared boss at the tail of the carrier. The tail of the BCG must be .950" or smaller. Is compatible with the JP silent capture spring.