Brenneke Close Encounter .410 Bore Rifled Slug 2½” 1/4 oz 1500 FPS – 5 Rounds is a precision-focused .410 slug load engineered for reliable accuracy, consistent energy delivery, and dependable performance in close-range scenarios.
When you’re running a .410 bore shotgun, you want ammunition that maximizes effectiveness without sacrificing control. Brenneke is known worldwide for carefully engineered slug designs, and the Close Encounter line brings that reputation into the .410 platform—offering a purpose-built rifled slug load designed to perform consistently when timing and shot placement matter.
This .410 bore 2½-inch load launches a 1/4 oz rifled slug at a fast 1,500 feet per second, producing a strong performance profile for its bore size while maintaining a manageable recoil impulse. The rifled slug design is intended to provide stable flight from appropriate .410 shotguns and deliver dependable impact at practical distances for small-game hunting and other lawful uses where a slug is appropriate.
If you want a quality .410 slug option backed by Brenneke’s long-standing commitment to precision manufacturing and real-world reliability, Close Encounter is an excellent choice to keep on hand.
Inspired Gallery
Resting on a weathered tree stump in the quiet of the forest, this scene captures the moment just before action. Morning light filters through the pines, illuminating the Brenneke Close Encounter .410 Bore slugs—compact, purposeful, and ready. The worn textures of bark and earth speak to time, patience, and respect for the outdoors, while the deep red shells stand in bold contrast against the muted woods. This is where preparation meets awareness—close ranges, tight quarters, and confidence built on reliable ammunition when encounters happen fast, and distance disappears.
A4F TACTICAL
We are military veterans serving the American people.
Quick Specs
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Gauge: .410 Bore
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Shell Length: 2½ inches
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Slug Type: Rifled Slug
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Slug Weight: 1/4 oz
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Muzzle Velocity: 1,500 FPS
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Muzzle Energy: 578 ft-lbs (manufacturer data)
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Rounds Per Box: 5
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Application: Small Game Hunting / .410 Slug Use
Detailed Specifications
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Brand: Brenneke
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Product Line: Close Encounter
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Gauge: .410 Bore
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Shell Length: 2½”
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Ammo Type: Rifled Slug
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Slug Weight: 1/4 oz
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Velocity: 1500 FPS
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Muzzle Energy: 578 ft-lbs (manufacturer data)
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Case Type: Shotgun Casing
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Primer Type: Shotgun Primer
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Lead Free: No
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Country of Origin: Germany
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Rounds Per Box: 5
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Intended Use: Small game hunting, training, and other lawful applications where slugs are appropriate
Warnings & Legal Notices
California Proposition 65 Warning:
⚠️ This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Lead Warning:
Handling ammunition and discharging firearms may result in exposure to lead and other substances known to cause health risks. Wash your hands thoroughly after handling.
Age Restriction:
You must be 18 years or older to purchase shotgun ammunition.
Safety Notice:
Always follow all firearm safety rules. Use only in firearms chambered for .410 Bore 2½” shells. Wear appropriate eye and hearing protection.
Trademark Notice:
All brand names, trademarks, and logos are the property of their respective manufacturers.
Image Disclaimer:
Product images are for illustrative purposes only. Actual packaging may vary.
Final Notes
A fast, controllable .410 rifled slug designed for dependable performance at close ranges—ideal for shooters who want precision and reliability from a smaller bore platform.
Inventory & SKU Information
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A4F Tactical Internal SKU: A4F-BRN-SL4102CE-410-25-SLG
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Manufacturer SKU (MPN): SL-4102CE
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UPC: 4030128211220





