One thing I learned in 2 yrs on Navy Security, being trained in CQB/Room entry is a tactical Shotgun is your best friend! I keep 00 buck in mine but Flechette rounds are a good alternate in a dense environment. I also stock Bolo rounds, rubber slugs,OS rounds, Flare rounds (take hunting..uses for position marking if lost), and a couple of other types? Will I ever need them? I don't know...but I'd rather have them and not need them than not have them and need them.
Bottom_Gun: I keep 00 buck in mine
So is the thinking that even though 000 packs a bigger punch, there are more 00 balls, hence more probability that you will at least hit the target [even if you don't kill it on the first shot]?
Precisely why I carry concealed (Penna CCW) Kimber "Eclipse Tarket II" 1911A1 .45cal ACP, everyday.
After being robbed and shot on July 14, 1974 in Boynton Beach, FL, coming out of The Tropical Acres Restaurant, I still carry a .32cal bullet near my lower spine. I won't ever again be a helpless victim.