Crosman .22-caliber steel breech kit and LPA rear sight Crosman .22-cal. steel breech kit Fits Crosman airgun models 2240, 2250, 2260, 2289 and 1322 Will accept the Crosman LPA MIM rear sight and Crosman LPA MIM rear sight Adjustable for windage and elevation Does not fit 3/8, 11mm, Weaver or Picatinny dovetails/bases Especially made for a Crosman gun with a steel breech, such as CR-2240SBPK[PY-A-4387]