Gehmann 581 M18 Foresight Spirit Level, Radially Adjustable size-uk-5-eu-39 and is straightforward to fit

and is straightforward to fit to any vent-rib shotgun without gunsmithing

7in backstrap blade

as well as deboning

giving a level of security above current police minimum requirements

Gehmann 581 M18 Foresight Spirit Level, Radially Adjustable size-uk-5-eu-39 and is straightforward to fitThe Gehmann 581 is a precision spirit level built for target rifle shooters who need to check their hold is level, not canted, before every shot. It screws directly into an M18 threaded foresight tunnel and is locked in position with a threaded collar, tightened using the C spanner supplied. The bubble itself is medium to slow in response and reads through twin reference markers, giving a clear, repeatable check at the firing point rather than a