| '''Fixed stock''' || '''S''' || None || [[AKM]]<br/>[[AK-74]]<br/>[[RPK]]<br/>[[RPK-74]] || '''150''' || Fixed, nonadjustable stock, typically made out of wood or plastic, mated to an appropriate receiver.
|-
| '''Folding stock''' || '''FS''' || None || [[AKMS]]<br/>[[AKS-74]]<br/>[[AKS-74U]]<br/>[[AK-101]]<br/>[[AK-105]]<br/>[[Saiga SGL31-61]] || '''400''' || Folding stock, either under-folding or side-folding, mated to an appropriate receiver.
|-
| '''Retractable stock''' || '''RS''' || None || || '''400''' || Fixed-stock receiver with an adapter for an AR-15 style retractable stock.