Compatible with 300 WSM, 6.5 PRC, 270 WSM, 7mm WSM, 325 WSM; 3 Rounds; Double-stacked single feed (DSSF) system creates a shorter magazine with increased capacity and smooth feeding; Crafted from nitrided steel for durability and corrosion resistance; Removable floor plate for easy maintenance; Cerakote elite finish for smooth follower action; Adjustable feedlips for fine-tuned feeding; Works with the Medium, XM and XM Plus chassis