Looking at purchasing this saiga12 rifle. This is whats done to it Carolina Shooters Supply Conversion Kit (Tapco G2 FCG,Carolina SS Trigger Guard) Carolina Shooters Supply Performance Recoil Spring for all Saiga/Vepr Shotguns Hogue Grip DPH SKELETON STOCK 9" SOLID BILLET CSS Reciever Block CSS GAS PISTON SAIGA 12 20 410 G2 PERFORMANCE PUC Everything else is stock. (stock izshmash 5 round magazine too) By my calculations it needs one more part to be legal or is it legal now? I Have checked the 922 calculator a few times, But im apparently to stupid to understand it. Thanks.