RSA-5.5 | 5.5MM AK Trunnion Stock Adapter

$79.95 MSRP

— Fits Kalashnikov USA KR-9, KP-9, and KR-9 SBR
– Utilizes 5.5mm pin already on KR-9 series rifles and pistols
— Black rigid Polymer
— Slotted Mil-Spec 1913 Picatinny rail
— Quick detach mounting system

*Designed to attach to a 1913 Picatinny rail*

*This is not needed if you order the KUSA Triangle Brace*


Out of stock

The RSA-5.5 is an AK Trunnion Stock Adapter for a 5.5mm pin. It can be attached on our Kalashnikov USA 9mm KR-9 series pistols and rifles. Using this adapter you can attach the SB Tactical FS193 Folding Brace.

International Traffic in Arms Regulations Controlled Product

EXPORT NOTICE: This is an item controlled for export by the International Traffic in Arms Regulations (ITAR). These controls take the form of export regulations and license requirements. As part of the express consideration provided for receipt of Kalashnikov USA’s goods, technical data and/or services, you, our customer, acknowledge that the export, re-export or other transfer, directly or indirectly, of the goods, technical data and/or services provided by Kalashnikov USA’s in violation of U.S. law is prohibited. Customers acquiring ITAR goods, technical data and/or services from Kalashnikov USA shall be responsible for obtaining any necessary U.S. or other government authorization required to ensure compliance with applicable export laws. (See Kalashnikov USA Shipping and Returns page for more information).

Weight .09 lbs
Dimensions 4 × 1 × 2.5 in