Mason's mitre Mason's mitre A mason's mitre is a type of mitre joint, traditionally used in stonework or masonry but commonly seen in kitchen countertops. In a mason's mitre, the two elements being joined meet as for a butt joint but a small section of one member is removed creating a socket to receive the end of the other. A small mitre is made at the inside edges of the socket and on the end of the intersecting member so that edge treatments are carried through the joint appropriately. The mason's mitre allows the appearance of a mitre joint to be created
Dovetail rail where not fit for purpose according to the MOD to make space for ACOG sighting system. "Dovetail mount" can also refer to a dovetail track running perpendicular to the bore, often used for smaller front sights posts and rear sights blades found on handguns and some rifles. This mounting method is meant as a semi-permanent friction fit mounting solution where a slot is milled, for instance in the slide of a pistol, and a sight with a corresponding dovetail is punched or drifted into that slot. Rear sights are offered in many dovetail cut profiles which are non-compatible, and some