The IMI Defense MAK2 is a high-quality fiber-reinforced polymer compound Folding Stock Adapter, designed as an easy upgrade for the original AKM 47/74 standard fixed stock to a Milspec M16/M4 collapsible and folding stock. With the IMI Defense MAK2 adapter installed, most M4 type collapsible stocks can be attached to your AKM, providing 6 positions to change the length of pull desired.