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 RIFLE STOCK FOR MOSIN-NAGANT 91-30 $18500 MFT BATTLELINK MINIMALIST STOCK COMMERCIAL TUBE SIZE $5999 ADTAC M4 STOCK RUGER 10/22 TACTICAL BLACK SYNTHETIC THRIL STOCK COMBAT COMPETITION MIL-SPEC TUBE DARK EARTH $5799