Description
S&J Hardware BENELLI M4 Bolt Assist Device MOD 1
S&J Hardware BENELLI M4 Bolt Assist Device MOD 1
Made from spring steel that has been post production cycle heat treated to give the correct amount of spring tension as well as min 500.000 cycle longevity.
Zinc plated and then cerakoted graphite black.
We also incorporated and over travel tab on the one end as with our T&E we saw this as a defect.
