Home / STOCKS AND FOREARMS / TACSTAR STOCK ADAPTER TO MIL- SPEC AR-15 FOR REM. 870 12GA. TACSTAR STOCK ADAPTER TO MIL- SPEC AR-15 FOR REM. 870 12GA. Manufacturer : Tacstar UPC : 751103012314 SKU: d41d8cd98f00 Category: STOCKS AND FOREARMS Product ID: 133163 Related products PRO MAG ARCHANGEL PISTOL KIT FOR RUGER CHARGER 10/22 $11200 PRO MAG ARCHANGEL YUGO AK-PAP STOCK SET BLACK $9995 ADTAC M4 STOCK RUGER 10/22 MONOPOD ACCESSORY $4499 PRO MAG ARCHANGEL RIFLE KIT FOR RUGER 10/22 $14105