from L & R. this "Classic" Germanic styled lock offers shooters and gun builders a high quality lock in an authentic style similar to those used by the great gunmakers throughout the colonies. The unbridled frizzen of this lock makes it a great choice for transitional period muzzle loaders. This lock offers a quick time by virtue of friction reducing bearing surfaces on tumbler and sear, cam action and a shorter, powerful stroke. Also features a thick bolster area for proper stock profiling. Traditional hook type forged mainspring. One position sear action for easier trigger set up, highly polished internal surface, an inconspicuous roller on frizzen cam enhances action. . Plate measures 5-3/8" x 1" high and is interchangeable with the flint version lock plate. Though slightly larger overall, this lock is fully adaptable to a large Siler lock mortise. Right hand. No. 43011