There are many options for a higher capacity in your home defense shotgun. 5 rounds are a lot, but 15-20 shells are even better.
Canuck Enforcer Pump Action Shotgun 12 Gauge - Northern Elite Firearms
UTAS UTS-15 Shotgun: High-Capacity (14+1) Bullpup Dual-Feed Pump
Winchester SX4 Semiauto Field Shotgun: Great Affordable Shot
High Capacity 12 Gauge Shotguns: A Deeper Dive
UTAS UTS-15 Shotgun: High-Capacity (14+1) Bullpup Dual-Feed Pump
The Best Upland Shotgun
Benelli M4 Telescopic Log Shotgun, Comprar online
Dive Deep: Introduction to the Remington 870 - Black Rifle Depot
The SGM Tactical Vepr Drum: 25 Rounds of 12 Gauge On Tap