Half or less I'd say vs a 3/3 1-2.
And with slugs or buck, no worry about putting the round through your home and 2 of your neighbors as well. Still has pretty decent ballistics for HD too.
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Not all mini shells are the same. Federal's shorty rounds seem to pattern better and have more energy than Aguila. I like Federal's #4 buck shorty round and their mini slug. Stirling makes a spicy 2" mini slug that works in my 590A1 without an adapter. I don't think it will work with the Opsol adapter, but will test them when I take the Shockwave to the range.
I picked up a 12 gauge shockwave just because. It*s a real nice gun to shoot mini shells and will make a great SBS if you*re looking to go that route.
My orthopedic surgeon loves them, he thinks everyone should have on in 3 1/2" magnum 12 gauge or even 10 gauge, his Aston Martin and Maybach need replaced soon, could use the new patients
yup, 410 is really how I think this shines, the Shockwave is not a hunting gun per se, although you could. As an indoor protection firearm, yup.