- SAVE $8.96$36.99$45.95Monstrum Side Saddle Shell Holder for Mossberg 500/590/Shockwave Series Shotguns | 20 gaugeAmazon
- $29.97LETYANGER 12 Gauge Shell Holder Side Mounted with Picatinny Rail Mount for Mossberg 500/590/Shockwave Series ShotgunsAmazon
- $19.95Monstrum Shotgun Accessory Mount | Compatible with Mossberg Shockwave Series | Picatinny/Sling SwivelAmazon
- $23.99Monstrum Red Dot Mount Compatible with Mossberg 500/535/590/835/Shockwave Series Shotguns | Compatible with Docter Standard Red DotsAmazon
- $199.95Nightstick SFL-11GL Shotgun Forend Light with Green Laser - 1200 Lumens Forend Light for Mossberg 500/590/590A1/Shockwave - IP-X7 Waterproof Impact & Chemical Resistant - 2 CR123 Batteries - BlackAmazon