Grumpy Old Geeks Products Byrna SD kinetic kit Product Byrna SD kinetic kit 3 mentions in 1 episode A home defense launcher kit that Jason says he purchased but had not yet test fired. Mentions 569: It’s Not Easy Being Green Sep 10, 2022 38:59 I got the Berna SD kinetic kit. 39:33 I got a little portable target. 41:58 I'll let you know after this weekend when I actually go and test fire it.