With over a decade of performance in the field, the original Mainframe grew to be our most trusted modular hunting platform and the foundation of the Hunt EMOD system. Over the years, it has been adopted by a wide range of users, from serio...
Reviews
5.0
40 ratings
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Big guy, little belt
I really like this rig, its comfortable and distributes the weight very well, from what I can tell so far the quality is second to none. My only complaint (and I hesitate to use the word complaint) is the waist belt is to small. I had to order a separate waist belt in order to use the pack. At 6'3" 290 pounds I'm not a small guy by any means but feel like there should either be a belt extender available or simply adding some length to the belt loop design so they are of adult size would be nice. Not every guy stomping across the mountain tops is 5'10" and 165lbs.
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Bruce · August 31, 2026
Skeptical it could be better....
I was skeptical that the Mainframe II could be better than the original. I have been proven wrong. The new belt is thicker and super nice as advertised. The extra straps on the back are a big improvement and will give plenty of options and stability packing meat. I can't imagine a better pack for packing heavy loads of meat. The modularity and versatility is unchanged from the original and is unbeatable. Hopefully, I will have it loaded down with moose meat in a couple of weeks.
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shaun · August 24, 2026
Most comfortable packout ever.
I just got back from my first haunt using the mainframe II. I packed 68 lb in no problem and a whole sheep plus my camp back out and it felt like it was somewhere around 100 lb. I never had a problem with the back pad slipping or the waist belt being uncomfortable. When I got home and weighed the pack what I thought was around 100 lb was actually 148 lb. 148 lb. 11 mi and I never felt like the bag was slowing me down.