Superb Knock Down Power:

If you are looking for a precise and hard hitting 20GA 3” slug the Magnum™ is your perfect choice for any kind of deer hunting. Its one of the heaviest 20 GA slugs on the market, giving you deep penetration even on longer distances. Comes with built in superb knock down power.


Available calibers
20 GA 3''(437 grs)
.410/3''(109 grs)

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  • 20 GA 3"
  • .410/3"
Ballistic Data
Distance (yds) 0 25 50 75 100
Velocity (fps) 1476 1322 1193 1094 1022
Energy (ft lbs) 2120 1701 1385 1165 1016
Trajectory (inches) -2.00 +0.40 +1.50 +1.20 -1.00
Caliber Packaging unit Weight Item No.
20 GA 3" 5 units 437 grs SL-203M

Sale of ammunition to holders of appropriate permits and authorizations only.

Slug Design

Check the original BRENNEKE quality features of a Magnum™:

  • Lead point with ribs that point to the right ensure smooth choke passage
  • Patented rear slides into point after the impact
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