The Krebs Custom M4 Buttstock Adapter for Yugoslavian AKs is made from 6061-T6 that is hardcoat anodized. This adapter permits the user to install an AR/M4-Style collapsable buttstock to their Yugoslavian pattern stamped-receiver AK. Buffer tube, end plate and castle nut sold separately.
Note: Will NOT Fit VEPR FM-AK47-11 or FM-AK74-11 Rifles. This WILL fit on O-PAP and N-PAP Rifles.