https://sjhardware.com/benelli-m4-upgrade-package/
PRODUCT DESCRIPTION
BENELLI M4 upgrade package,

save $40

Following items are in the package

Breaching choke tube Benelli Mobile choke system Cly bore
DSC 3.0 7 shot black, inc velcro
No Jam spring and follower
Combat charging handle
B.A.D tab 3.0 Bolt assist device