Description
When you need a slug that hits like a freight train, the Brenneke Black Magic Magnum earns its reputation. This 3" 12 gauge load pushes a 1 3/8 oz (602 grain) rifled lead slug out the muzzle at roughly 1,502 fps, generating around 3,014 ft-lbs of energy. That kind of authority puts it among the heaviest hitting factory slugs you can buy, and it holds meaningful knockdown power out to about 100 yards. It's built for big game hunters who want a single, dependable stopper in the chamber.
What Sets the Black Magic Magnum Apart
The secret behind this slug is Brenneke's patented B.E.T. wad, which stays attached to the slug through flight to transfer maximum energy into the target while helping stabilize the projectile downrange. The result is accuracy that surprises a lot of folks used to loose-grouping slugs, with 2" groups reported at 50 yards and around 3" at 100 yards out of smoothbore barrels. On top of that, the slug wears a black CleanSpeed coating that dramatically cuts lead fouling inside your barrel, so cleanup after a range session or a hunt is a whole lot easier.
Where the Black Magic Magnum Shines
This is a serious tool for serious situations. It's a favorite among guides in Alaska and Africa as a backup load against dangerous game, and plenty of deer hunters lean on it when they want maximum power and range in one shot. It runs through both rifled and smoothbore barrels, so it fits a wide range of slug guns. Keep in mind this is a 3" magnum load, so it's meant strictly for 3" chambers.
Between the heavy slug weight, the clean-burning coating, and the proven Brenneke design, the Black Magic Magnum is the kind of round you load up when the stakes are high and you want no doubt about what's coming out the barrel.
Key Specifications
- Manufacturer: Brenneke
- Manufacturer Part Number: SL-123BMM
- UPC: 4030128120270
- Gauge: 12 Gauge
- Shell Length: 3"
- Slug Type: Rifled Lead Slug
- Slug Weight: 1 3/8 oz (602 grains)
- Muzzle Velocity: 1,502 fps
- Muzzle Energy: 3,014 ft-lbs
- Effective Range: Up to 100 yards
- Barrel Compatibility: Rifled or Smoothbore
- Coating: CleanSpeed
- Wad: Patented B.E.T. Wad
- Application: Big Game / Dangerous Game Hunting
- Rounds Per Box: 5
What’s Included
- 5 rounds of Brenneke Black Magic Magnum 12 Gauge 3" 1 3/8 oz rifled slug ammunition
Frequently Asked Questions
Can I shoot the Black Magic Magnum through a smoothbore barrel?
Yes. The Black Magic Magnum is designed to run through both rifled and smoothbore barrels, so it fits a wide range of slug guns. Just make sure your shotgun is chambered for 3" shells, since this is a magnum load and is not meant for 2 3/4" chambers.
What game is the Brenneke Black Magic Magnum best suited for?
This is a heavy-duty big game load. It will handle any deer with ease and is a proven choice for bear and other dangerous game, which is why guides in places like Alaska and Africa keep it on hand as a backup. With 602 grains at 1,502 fps, it delivers serious stopping power out to about 100 yards.
How accurate is the Black Magic Magnum out of a smoothbore?
Better than most folks expect from a slug. Thanks to the patented B.E.T. wad that stabilizes the slug in flight, hunters report roughly 2" groups at 50 yards and around 3" groups at 100 yards from smoothbore barrels. A rifled barrel can tighten that up even further.
Does the CleanSpeed coating really make a difference?
It does. The black CleanSpeed coating is designed to virtually eliminate lead fouling inside the barrel, which keeps your bore cleaner over a hunt or range session. That translates to less scrubbing at cleanup time and more consistent performance across shots.





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