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Brenneke USA Special Forces Maximum Barrier Penetration Magnum 12 Gauge Ammo 2 3/4" 1 3/8 oz Rifled Lead Slug - SL-122MBPM
Rated 4.92 out of 5 across over 26 verified reviews and growing, with over 24 five-star reviews and growing, this Brenneke Special Forces slug is built for maximum barrier performance. The key spec is serious 12 Gauge energy: 3545 ft lbs at the muzzle with 1650 fps velocity.
For shoppers comparing Brenneke ammo for 12 gauge slug penetration, this load is purpose-built for demanding barrier-focused applications.
Why Shooters Choose Brenneke USA 12 Gauge
- Maximum barrier design: Brenneke states this is the deepest-penetrating slug in its lineup, developed for military and law enforcement needs against demanding urban threats.
- Heavy muzzle energy: Verified performance lists 3545 ft lbs of muzzle energy and 1650 fps muzzle velocity for hard-hitting 12 Gauge slug performance.
- Barrier-focused construction: The proprietary extra-hard alloy is described by Brenneke as capable of penetrating windshields, vehicles, wheel rims, and engine blocks.
- Armor and glass testing: Manufacturer data states this slug fully penetrates FBI glass and has been proven effective in specified body armor testing.
- Rifled slug format: The Slug projectile is suited for shooters who need a single-projectile 12 Gauge load rather than shot pellets.
- Brass case and Boxer primer: Verified specs list a Brass case with Centerfire / Boxer priming, matching common centerfire shotshell expectations.
- Box or case option: Packaging is listed as Box of 5 / Case of 250, giving shooters a way to buy a small amount or plan ahead with 12 gauge slugs bulk.
What Customers Say
Customers rate this load 4.92 out of 5 across over 26 verified reviews and growing, with over 24 five-star reviews and growing.
Brenneke makes some of the best hard hitting slugs around. Heavy recoil you will feel but what do you expect with over 3500 ft lbs of mussel energy. Perfect for big game shotgun hunting.
Paul S.
Accurate and no malfunctions, solid function on this round from Brenneke USA Special Forces!
Alice H.
Haven't used Brenneke 12 Gauge ammo yet but 3,500+ ft/lbs muzzle energy with a high-antimony lead slug makes this rather powerful barrier ammo. Enough to go through a big truck engine block. Just make sure you know when AND WHEN NOT to use it.
James P.
What is the muzzle velocity of this Brenneke USA 12 Gauge Slug?
Verified specs list a muzzle velocity of 1650 fps. The listed muzzle energy is 3545 ft lbs, giving this Brenneke Special Forces slug a strong performance profile for barrier-focused use.
What is this load designed to penetrate?
Brenneke describes the Maximum Barrier Penetration design as its deepest-penetrating slug. Manufacturer information states it can penetrate windshields, vehicles, wheel rims, engine blocks, FBI glass, and specified body armor test materials.
Are these the same as armor piercing 12 gauge slugs?
The listing identifies this as Brenneke Special Forces Maximum Barrier Penetration Magnum 12 Gauge ammo, not as a separate legal classification. Brenneke’s own description focuses on maximum barrier penetration and stated performance through hard materials.
Will these work with a rifled shotgun barrel?
Yes. The product Q&A confirms that Brenneke USA Special Forces Maximum Penetration 12 Gauge lead slugs will work in a rifled shotgun barrel.
What packaging options are listed?
Verified packaging is Box of 5 / Case of 250. That makes it possible to purchase a smaller box or choose a case quantity when planning for 12 gauge slugs bulk.
Is this the SL-122ATS or SL-SFMBPM?
The product title lists the MPN as SL-122MBPM. If packaging imagery and description details ever appear inconsistent, the product title and verified listing details should be used for this item.
About Brenneke USA 12 Gauge
Brenneke USA designed this Special Forces Maximum Barrier Penetration Magnum load for shooters who prioritize penetration through hard intermediate barriers. Its rifled lead Slug uses a proprietary extra-hard alloy, and Brenneke describes the trajectory as extremely flat for extended slug use.
As 12 Gauge ammo, this is not a general birdshot or buckshot load; it is a single-projectile slug intended for barrier, duty, and specialized applications where deep penetration matters. The verified Brass case, Centerfire / Boxer primer, 1650 fps muzzle velocity, and 3545 ft lbs of muzzle energy all support its role as a serious Brenneke USA ammo option.
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| Manufacturer | Brenneke USA |
|---|
| Caliber | 12 Gauge |
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| Bullet Type | slug |
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| Grain | Not available |
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| Muzzle Velocity | 1476 fps |
|---|
| Muzzle Energy | Not available |
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See Full Product Info
| Manufacturer | Brenneke USA |
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| Caliber | 12 Gauge |
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| Bullet Type | Slug |
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| Grain | Not available |
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| Muzzle Velocity | 1604 fps |
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| Muzzle Energy | 3804 ft lbs |
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| Manufacturer | Brenneke USA |
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| Caliber | 12 Gauge |
|---|
| Bullet Type | Slug |
|---|
| Grain | Not available |
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| Muzzle Velocity | 1650 fps |
|---|
| Muzzle Energy | 3545 ft lbs |
|---|
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| Manufacturer | Brenneke USA |
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| Caliber | 12 Gauge |
|---|
| Bullet Type | Slug |
|---|
| Grain | Not available |
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| Muzzle Velocity | 1526 fps |
|---|
| Muzzle Energy | 2536 ft lbs |
|---|
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| Manufacturer | Brenneke USA |
|---|
| Caliber | 12 Gauge |
|---|
| Bullet Type | Slug |
|---|
| Grain | Not available |
|---|
| Muzzle Velocity | 1680 fps |
|---|
| Muzzle Energy | 2639 ft lbs |
|---|
See Full Product Info
If you need specialized 12 Gauge ammo for deep barrier performance, this Brenneke USA load belongs on your short list. Choose it within the Brenneke USA lineup when you want a Special Forces Maximum Barrier Penetration Magnum slug, with box and case options available for bulk ammo planning.
| Field | Details |
| MPN | SL-122MBPM |
| UPC | 4030128121420 |
| Manufacturer | Brenneke USA |
| Platform | Shotgun |
| Ammo Application | Hunting / Home Defense |
| Ammo Type | Rifled Lead Slug |
| Caliber | 12 Gauge |
| Grain Weight | 1 3/8 oz |
| Quantity Per Package | Box of 5 / Case of 250 |
| Test Barrel Length | Not Provided |
| Muzzle Velocity | 1650 fps |
| Muzzle Energy | 3545 ft lbs |
| Ballistic Coefficient (G1) | Not Provided |
| Case Type | Brass |
| Primer Type | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Lead Free | No |
| Staked Primer | Not Provided |
| Country of Origin | Germany |
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