New, OEM Glock factory 4 pc backstrap sets MINUS (missing) the medium beavertail backstrap (making it a 3pc set).
Longer trigger housing pin included.
Fits gen 4-5 Glock Full (G22/17/34/etc) and Medium (G23/19/32etc) sized frames ONLY - Select version to see specific model compatibility.
Does NOT fit gen 1-3, nor gen 6 Glocks.
Does NOT fit Large frame (G20/40/21/30/etc)