Earmor M11 ARC Helmet Rails Adapter Attachment Kit Fire & Rescue Bags should I get the SM/MD

should I get the SM/MD or LG/XL

Soil and moisture resistant treatment protects magazines from the elements

Easy-to-use buttons on the sides of the optic allow the user to adjust the illumination brightness

The housing is made from glass-filled nylon polymer

Interior zipper guards prevent catching

Earmor M11 ARC Helmet Rails Adapter Attachment Kit Fire & Rescue Bags should I get the SM/MDAllow 4 weeks for delivery Replace headband of EARMOR M31 M32 or helmet rail kit of M31H M32H with M11 ARC helmet rails adapter attachment kit, allows attaching your EARMOR hearing protector directly to ARC helmet rails. Features Durable, lightweight Rotatable for stowing For ARC Helmet Rails (Ops Core FAST MT) Can match with full range of FAST helmets, ACH helmet, MICH helmet as long as they have ARC rails on side Compatible most of the headsets on