Magpul's latest PMAG offering is for rifles chambered in .308 Winchester/7.62x51mm NATO milspec rounds for use with U.S. Military Issue Mk11/M110 Rifles. The PMAG 20-LR fits many rifles, including:

• KAC SR25
• DPMS LR308
• LMT 7.62 MRP
• LaRue Tactical OSR
• LWRC REPR
• POF P-308

but does not fit the Armalite AR-10 or M14/M1A.