This is a Ruger Stock Adapter, model 90434.
Ruger's Stock Module" High Comb/Compact Pull" fits Ruger American Rimfire" 10/22 and any Ruger rifle with the Modular Stock System. This comb is intended for use with standard iron sights. The high comb height raises the shooter's cheek placement" putting the eyes in line with the mounted optics. It has the shorter length of pull buttstock" ideal for shooters that prefer a shorter length of pull. Fits any Ruger(R) rifle with the Modular Stock System. Genuine Ruger(R) Factory Accessory.
Features:
1.84'' Comb 12.50'' Length of Pull;Fits Ruger American Rimfire 10/22 and any Ruger rifle w/the Modular Stock System
High comb compact pull
