- Low Bar Push Pull Drag Sled
- Low Pulley Add-On for X-2
- Lying Prone Leg Curl Extension Machine
- Lying Prone Leg Curl Extension Machine
- Lying Prone Leg Curl Extension Machine
- Magnetic Resistance Rowing Fitness Machine w/ LCD Screen
- Marrs-Bar
- Marrs-Bar Lite
- Marrs-Bar™
- Marrs-Bar™
- Marrs-Bar™
- Max Adjustable FID Bench
- MAXXUM Large Weightlifting Belt
- MAXXUM Stainless Steel Power Bar
- Medicine Ball Storage Tree
- Medium Adjustable Ceiling Wall-Mount Pull-Up Bar
- Medium Gym Timer With Remote
- Midway Olympic Power Bar
- Mini Bar Jack
- Mini Farmer's Walk Handles with Olympic Weight Posts
- Mini Farmer's Walk Handles with Standard Weight Posts
- Mini Pedal Exercise Bike w/ LCD Display
- Moby Dick Power Barbell | Limited Edition
- Monolift Rack Mounted Attachment For X-3 Power Rack
- Mounted Chalk Bowl
- Mounted Wall Ball Target for T-3 or X-3 Racks
- Mounted Wall Ball Target for T-3 or X-3 Series Racks
- Mounted Wall Ball Target for T-3 or X-3 Series Racks
- Mounted Wall Ball Target for T-3 or X-3 Series Racks
- Muay Thai Heavy Bag