ACR buttstock adapter for AK/Saiga rifle is designed to be installed on AK rifles with 5.5mm rear trunnion.
Adapter is CNC-milled from a high-strength aluminum alloy.
Adapter is designed to host Busmaster ACR buttstock and cheekpiece. Could be partially folded and will block the usage of base iron sights.
ACR buttstock adapter should be installed in accordance with installation manual