9/50 Magpul D-50 Drum Magazine M3 LR/SR 7.62x51 Nato 308. Comes with retail box has a rivet to installed to only allow 9 rounds in the drum.
IF THE DRUM SAYS 9/50 IT MEANS IT CAN ONLY HOLD 9RD. DO NOT FORCE MORE THEN THE NUMBER OF ROUND THAT WE LIMITED IT TOO. IT WILL CREATE A JAM OR MISS FEED. IF THE CUSTOMER TAKES THE DRUM APART, AND CANT PUT IT BACK TOGETHER, IT WILL NOT BE REPLACE BY US.