Not Compatible with Zastava Pistols with pre-drilled rear sling swivel holes.

The Circle 10 AK 2-Bolt Adapter makes it possible to use popular 10-32 bolt-on stocks or pistol brace adapters with your AK pistol. Made from aluminum which is then anodized, the adapter features 3 rows of 10-32 compatible holes to allow for user height adjustment. Also compatible with Circle 10 AK, Stormwerkz and ACE hinges for folding capabilities.

Trunnion Compatibility: AK pistols with rear sling swivel hole pre-drilled. Installation on AK pistols without a rear sling swivel is possible but requires drilling and tapping of the trunnion.