RetiredUSNChief
Member
I load 12 gauge shells with 25 steel flechettes. These were used in Bee Hive rounds and fired out of 105s. Due to the weight of the load I use a small amount of powder compared to OO buck ammo. They are quiet to shoot, little to no recoil and barely penetrate two layers of 1/2" drywall. The pattern at 10-12 feet is 6-8" when fired thru a 18" barrel with a modified choke.
Might just as well shoot birdshot, then, for all the penetration they lack. Factory produced, cheap, and not a concern with respect to forensics data should you ever actually have to use your shotgun in defense.