The Mainframe II handles the load. The Brooks 3500 carries the gear, sized for day hunts through light multi-day trips. Both run on the Hunt EMOD system, so the pack mounts straight to the frame and comes off just as fast.

The shelf does the work. The Mainframe II's aluminum 90-degree shelf is built for the pack-out. Detach the Brooks, load quarters onto the shelf, reattach the pack over the top. Heaviest weight rides tight to your back and low on your hips, and nothing hangs below your belt line.

Configure it for the season. Both pieces run the entire Hunt EMOD system. Add an EMOD Lid, Bolt-Action Scabbard, or Batwings when the hunt calls for more, or strip down to frame and bag for a fast day. Five columns of laser-cut MOLLE and additional side attachment loops give you room to build the setup you want.

What's Included

Mainframe II

• Aluminum 90-degree shelf frame built for heavy pack-outs
• Contour Shoulder Harness with unlimited torso height adjustment and air-mesh padding
• Cradle Hip Belt with built-in stabilizer straps and silicon-print lumbar pad
• Elevated load lifters bring the top of the load toward your center of gravity
• 20mm compression straps with auto-locking buckles
• 5 columns of laser-cut MOLLE plus additional side attachment loops
• Rifle scabbard ready
• Compatible with all current Hunt EMOD packs and accessories
• 27" x 11", 5 lbs 2 oz

Brooks 3500

• 3,626 cubic inches for light multi-day trips
• Roll-top closure for adjustable capacity
• Front zippered access to the main compartment for quick gear retrieval
• Interior organization pockets, long side zip pocket, two front stretch pockets
• Side, front, and bottom compression straps lock the load to the frame
• 500D ripstop and rugged hardware
• 1 lb 15 oz