Phoenix Training Sandbag
Built in Denver, CO • Free Shipping • Available in 75 lb & 125 lb
Available in Black & OD Green/Black • 75 lb & 125 lb
Built by a Man Who Refused to Stay Down
Keith Burns was homeless at 19 — Navy discharge, $40 in his pocket, tent-camping in Austin. He moved furniture, became a Merchant Marine captain, found CrossFit and MMA, and started flipping pawn shop sewing machines from his car. One day he stitched handles onto a sandbag. That moment became Brute Force Training — a brand he built from nothing into military contracts, CrossFit boxes, fire departments, and police academies across the country.
A barbell is balanced. A machine is guided. Keith knew the real world is neither. Sand shifts as you lift it — your stabilizers fire, your body adapts in real time. That’s functional strength. The kind that transfers to the mat, the job, and the fight. He didn’t just design a product. He designed a training philosophy rooted in his own survival.
The Phoenix was Keith’s personal symbol — tattooed over his scars, representing every time he rebuilt from rock bottom. After losing his brother and father to suicide in back-to-back years, Keith envisioned the Phoenix Bag as a reboot of everything he’d built. These are those bags. 1680D ballistic nylon. Seatbelt-grade webbing. Over a decade of R&D. Made in Denver, Colorado by the same hands, the same factory, the same standard Keith demanded.
Shifting Load Training
Sand moves inside the bag as you lift, press, carry, and throw. Your body can’t predict the load — it recruits stabilizer muscles that fixed-weight equipment never touches. Keith designed this for people who train on the go, in the field, and in the real world. Not gym-mirror strength. Survival strength.
8 Padded Handles, Infinite Options
Cleans, squats, presses, carries, throws, drags, ground-to-overhead. Eight padded, ergonomically placed grips — not rubber or plastic — let you grab the bag from any angle. Color-matched body, webbing, and handles for a clean look. One piece of equipment, hundreds of movements.
Explosive Power Builder
Sandbag training develops the kind of explosive strength that shows up in wrestling, BJJ, football, and tactical operations. The unstable load forces your body to generate power through the full range of motion — not just at the lockout.
Goes Where You Go
Garage gym. Backyard. Hotel parking lot. The beach. Dump it in the trunk and you’ve got a full training session anywhere. Wide-mouth zipper makes loading and unloading the filler bags fast. No rack, no bench, no gym membership, no excuses.
Start simple: 5 rounds of ground-to-shoulder, 10 bear-hug squats, 50-foot carry. Rest 90 seconds between rounds. That’s a 20-minute full-body session that’ll humble anyone — doesn’t matter how much you bench. Sand doesn’t care about your ego.
| Shell Fabric | 1680D Ballistic Nylon — 2x the abrasion resistance of standard 1000D Cordura |
| Webbing | 5-panel seatbelt-grade webbing, 3,000+ lbs tensile strength |
| Handles | 8 padded ergonomic grips (not rubber or plastic), color-matched |
| Bottom | Seamless one-piece double-layer bottom panel — no seams, straps, or handles to catch during drags |
| Closure | Wide-mouth zipper for easy filler loading/unloading |
| Interior | Internal hanging pocket with YKK zipper closure |
| Sizes | 75 lb and 125 lb capacity |
| Colors | Black |
| Includes | Filler bag(s) + weight patch (shipped empty — you add sand) |
| Compatibility | Works with Bullit and other leading-brand sandbag fillers |
| Made In | Denver, Colorado, USA — by Bullit USA |
| Shipping | Free on orders $300+ — mainland US |
| Warranty | Lifetime Guarantee |
“Have had the bag for a month now. It is used daily in a firehouse. This bag is TOUGH! Multiple handles for easy carry and lifting. The best bags I have owned.”
— Jeff M., Firefighter
“The outer shell is so thick and durable, yet flexible and non-abrasive to the skin. These things will last forever!”
— Kevin N.
“Never thought I could work out at home in a better way than the gym for such a small cost.”
— Ben C.
“We have used it for firehouse workouts of varying types. Shoulder carries, bear crawl drags, and over the shoulder drops. It is showing no signs of wear.”
— Ryan P., #JumpseatNATION
The Man Behind the Phoenix
Keith Burns created these sandbags. Homeless at 19 after a Navy discharge, he bused to Austin with $40 and tent-camped by the Colorado River on tortillas and beans. He clawed his way up — furniture mover, Merchant Marine captain, pawn shop hustler — until the day he stitched handles onto a sandbag with a broken sewing machine he’d rebuilt himself. That moment became Brute Force Training.
From prototypes sewn in his car to military contracts worth half a million dollars — with Navy sailors tattooing his company logo on their chests — Keith willed an empire into existence through pure grit. He trained at a pro level in CrossFit, competed internationally, and built gear that fire departments, police academies, and special operations teams rely on to this day.
The Phoenix was Keith’s personal symbol. He tattooed it over the word “Hurt” on his wrist after losing his brother to suicide in 2018 — and his father exactly one year later. It represented every time he rose from rock bottom. After a hostile takeover of his company and years of isolation and depression, Keith envisioned the Phoenix Bag as a reboot of everything he’d built. A rebirth.
In 2023, Keith lost his battle. But his fire hasn’t gone out. These bags are his design, his standard, his legacy. Every one sold keeps his vision alive and funds the fight against the isolation that took him. 15% of every sale goes to men’s suicide awareness and veteran services.
If you or someone you know is struggling: 988 Suicide & Crisis Lifeline — call or text 988, available 24/7. You are not alone.
Rise Like the Phoenix
Limited supply. Built by hand in Denver. Every bag carries Keith’s legacy forward.
Order Now — $97.50 →You’ll be redirected to Forge of Unity to complete your purchase.
Lifetime Guarantee
If it breaks under normal use, we make it right.
Free Shipping
On orders $300+. Mainland US.
USA Made
Denver, Colorado. American materials and labor.
15% to Awareness
Every sale supports men’s suicide prevention.