Mec-Gar F42099SET Plus-2 Adapter Set made of Polymer & Steel with Black Finish for Mec-Gar Optimum Flush Magazines $12.12
Mdt Sporting Goods Inc 105579BLK Straight Fit Magazine 10rd 223 Rem Black Polymer Fits Howa 1500 Mini Action (OEM & Most Aftermarket Stocks/Chassis) $119.95