borealRush Mossberg 500/590/590A1 minishell adapter

Tired with high power shotshell? I gotcha! 

Engineered for reliability and precision, this BorealRush Minishell Adapter allows smooth feeding of short 12GA shells (such as Aguila Minishell or Federal Shorty) in Mossberg 500/590/590A1 shotguns.

Constructed from high-strength, impact-resistant polymer for long-term durability and tested under recoil stress.

Designed for a tight, tool-free fit — easy installation and removal within seconds.

 
$20 flat rate expedited shipping across Canada

Thank you:)