Military Surplus Backpacks
Granite Gear Chief Patrol Pack Review: A 90L Military Surplus Rucksack Built for Heavy Loads
A close look at the Granite Gear Chief Patrol Pack, a 90 liter military surplus rucksack with a flexible frame sheet, adjustable torso fit, and extensive internal and external compression.
Introduction
The Granite Gear Chief Patrol Pack is a military surplus rucksack built to a demanding government specification. It had to carry 100 pounds comfortably, survive a 40 foot drop while fully loaded, and weigh less than seven pounds. Those three requirements shape nearly every design decision in the pack.
The name is an acronym for Composite Hybrid Interchangeable Ergonomic Frame sheet. The contract was awarded in 2008, with 46,000 packs ordered. It remains one of the more interesting surplus designs available because it pairs an unusual frame with a level of adjustability that most military rucksacks do not offer.
Who This Pack Is For
This is a pack for anyone who wants a large, modular load carrier and is comfortable buying military surplus. The Chief is a 90 liter pack, roughly 5,500 cubic inches, and it was designed to be worn over body armor. That is why the harness is wider and more heavily padded than a civilian backpack of similar capacity.
It also fits a broader range of people than many surplus alternatives. The frame sheet is fully adjustable, covering torso lengths from 16 inches up to 22 inches, so shorter and taller users can both get a workable fit.

If you have used surplus rucksacks that were built around a single common body type, the difference here is noticeable. Adjustability is the central feature of this pack rather than an afterthought.
Main Strengths
The Chief stands out in three areas: the frame, the compression system, and the harness.
Frame and Fit
The frame is a continuous frame sheet made from reinforced thermoplastic. Rather than aluminum stays, which can deform over time, this design flexes as the wearer moves and returns to its original shape. That behavior is what keeps the pack stable under a heavy load while still moving with the body.
Fit adjustments are handled through the frame itself. The shoulder harness mounts into a series of holes and can be raised or lowered, so the same pack can be dialed in across a wide range of torso lengths.

The result is a pack that can be tuned to the individual rather than accepted as-is, which is rare in this category.
Storage and Compression
The main body closes with a drawstring and opens into one large compartment. Inside there are three compression straps, plus additional compression straps at the back, so a partial load can be locked down instead of sliding around.
External compression is unusually thorough. There are two compression straps on each side of the front, and a set at the top with one for the sides and one for the front. The pack can be opened wide to reveal the contents, and a panel at the top secures with hook and loop. At the bottom there is PALS webbing for attaching pouches.
The lid is large and holds a substantial amount of gear. The lid pocket can be reached from both the outside and the inside, and the lid is attached rather than free floating, secured by two buckles with a 5 by 5 section of hook and loop on top. Each side of the pack has a full length zippered compartment with an internal buckle for strapping items down, alongside PALS webbing, a compression strap and a hip belt adjustment strap.
Inside the main compartment there is a radio pouch, which can also serve as hydration storage, and a hydration carrier can be mounted externally instead. There is a drainage hole at the bottom, a grab handle at the top, a top pocket zipper, and a second zipper at the back that appears intended for antennas given the radio pocket inside.
Harness and Padding
The harness is thick, wide and heavily padded, with padding across the back and lumbar support at the base. It is designed to spread a heavy load across the shoulders, chest, back and hips, and it is intended to be worn with body armor.
The waist belt carries PALS webbing on both sides. There are grab handles on the sides and two more at the top of the pack. Load lifters and a sternum strap with a quick release buckle are included, and every strap has a strap keeper to keep the excess tidy.
For military users, the shoulder padding is removable because it is not needed over body armor, and quick release buckles allow the pack to be dropped quickly when required. The base fabric is 500 denier, the webbing is 1000 denier, and the hardware comes from ITW Fasttex Nexus. Zippers are tactical grade, and the materials are treated with near infrared signature reduction dye. The pack is offered in a range of colors and camouflage patterns, including ACU camo, black and coyote brown. The NSN is 8465-01-570-7449.
Things to Consider Before Buying
This is a military pack, so utility comes first and comfort second. It is comfortable enough for hiking, but it is not the most comfortable backpack on the market. The harness is wide and aggressive, and you will notice that right away if you are wearing a t-shirt.
The pack weighs right around seven pounds, just a little under, before anything goes inside it. That is a real consideration for anyone used to lightweight civilian packs.

There is also the question of production. The contract was awarded in 2008, and it is not entirely clear whether these packs are still being manufactured or which company currently produces them, so availability depends on what is circulating as surplus. Condition varies widely between listings, which is worth checking carefully.
It is also worth comparing the Chief with the FILBE pack. The two look similar, but the FILBE was built for the most common soldier size and is not adjustable, which left taller and shorter users uncomfortable. The Chief addresses that directly with its adjustable torso range, and its compression system is far more extensive.
Buying Advice
Used examples have sold for around $130 to $150 including shipping. At the time of writing, listings ranged from roughly $100 up to about $500 for new condition, and one complete kit with the pack and additional components was seen near $1,300.

If this pack appeals to you, it makes sense to look sooner rather than later. These are surplus items, and as they become harder to find the prices tend to move upward rather than down. Buyers who already like the FILBE should look closely at the Chief, because the adjustability and the compression are meaningfully better.
Conclusion
The Granite Gear Chief Patrol Pack is a well-built, highly adjustable 90 liter rucksack. Its frame flexes and recovers, its compression system can shrink it down or lock a full load in place, and its harness is designed for serious weight. It is a surplus product, so comfort is a secondary priority and condition varies from listing to listing, but for the price it is a compelling option for anyone who wants a large, modular pack.
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This product is mentioned in the review. Check the specifications, options, and compatibility before buying.
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