AIM Sports Inc AK Side Folding Stock Adaptor Black Medium. The contour of the hinge creates the tension needed to keep the stock in the folded position even when on the move. Designed to mount directly to the fixed stock rear trunion of most stamped AK rifles their adapter installs in minutes. Mil-Spec AR15 buffer tubes will thread into the back end and enable the shooter to use modern stocks on their old workhorse. Specifications for AIM Sports Inc AK Side Folding Stock Adaptor: Manufacturer: AIM Sports Inc Condition: New Color: Black Gun Model: AR-15 Gun Type: Rifle Fabric/Material: Anodized Aluminum Features of AIM Sports Inc AK Side Folding Stock Adaptor Constucted of black anodized aluminum Works with most standard AKM rear trunnions Accepts most AR15 buffer tubes Package Contents: AIM Sports Inc AK Side Folding Stock Adaptor What firearm models does the manufacturer say AIM Sports Inc AK Side Folding Stock Adaptor is compatible with? The manufacturer suggests that AIM Sports Inc AK Side Folding Stock Adaptor is compatible with AR-15AIM Sports Inc MKAKSFM: AK Side Folding Stock Adaptor Black Medium