The Krebs Custom M4 Buttstock Adapter for Standard Stamped AKs permits the user to install AR/M4-Style buttstocks onto their standard stamped receiver AKs with a fixed stock tang, such as Saigas, Polish AKs, WASRs, SGL21 &s; 21s and other kit builds with a fixed stock tang. It is made out of 6061-T6 aluminum that has been hardcoat anodized.
There is no need to remove the tang on your rifle.
Note: This adapter will not fit on the following rifles: all Yugoslavian pattern rifles, VEPR FM-AK47-11 & VEPR FM-74-11, Dracos or mini-Draco pistols. For an adapter compatible with Yugoslavian pattern stamped AKs, use the Krebs Custom M4 Buttstock Adapter for Yugoslavian AKs.