shown here is the 2 pc machine aluminum clamp with and with out rail, rail can be installed either side
M1913 spec rail
MSRP sill be
$53.99 CDN with rail
$39.99 CDN without rail
So far we have confirmed it fits
All Remington 870, 1100,1187 12ga
Mossberg 835 ,590( non heavy bbbl)
Mossberg 930
Mossberg 500 7 shot
Winchester sxp
Winchester 1200,1300
Benelli m4
here is one we make
