• FS-1913-Left-web.jpg
  • RSA-5.5-009.jpg
  • RSA-5.5-006.jpg
  • RSA-5.5-011.jpg
  • PicMMount.png
  • FS1913-003-scaled-1.jpg

Kalashnikov USA KP-9 – 1913 Brace Kit



Available for purchase

The Kalashnikov USA/SB Tactical  1913 brace, is a low-profile, left side-folding, strut design compatible with all platforms utilizing an M1913 (Picatinny) interface at the rear of the receiver. The FS1913™ is a complete assembly offering a pull-through opening and a solid lock-up when extended. In this package, we have also included the RSA 5.5 Picatinny rail adapter which is needed to utilize this set up on the kp9/kr9 series of firearms.

This version of the RSA stock adapter will be specifically made for the Russian 5.5mm pin folding stocks. 5.5mm trunnions can be found in the SGL (Saiga) rifles and on the Kalashnikov USA 9mm kp9/KR9 firearms.

The cheek weld is adjustable by moving the stock/brace up or down on the rail.

7075 aluminum, Black hard-coat anodize finish

  • Advanced steel hinge design locks in both folded and extended positions
  • A pull-through design offering quick deployment
  • Offered with a light-weight polymer (FS1913) or 6061 aluminum (FS1913A) strut
  • US veteran designed and proudly made in the USA