Ghost ultimate 3.5 connector for glocks gen 1-5 drop-in FEATURES-For Glock Gen 1-4-Drop-in-3.5 lb. trigger connector-Removes debris from the trigger mechanism Other Features: Drop-in connector for glock gen 1-5 for 3.5 lbs trigger pull, will not fit glock 42/43 the ultimate series adds the patent pending debris channel which reduces friction and makes this connector self cleaning