Hear is a new made remington 870 Bayonet mount cnc Machined from 2inch think block of 4041 steel.
Parkarised and oiled for long lasting finish.
These will fit on any factory remington 870 mag tube for the 18 18.5 and 20" 12ga shotguns.
The mount its rock solid with no flex in the mag tube at all, but we do recomend that you use a basic 2pc mag tube clamp, from Tac-star,Choate, ect.. to make sure 100% that there is no flexx for when you using are bayonet mount, we have done alot of testing , and do not belive it is needed, but better safe then sorry.
if your not 100% happy with it send it back and ill refund you . email or IM me email@example.com Ill take paypal + 5%, money orders $80 shipped anywhere in the world