I recently got a Streamlight weapons light (no laser). Someone said that Glocks had a tendancy to malfunction when fired with a light mounted. Experience or info appreciated. ALSO, now I would like to get an IWB holster to carry my G23 with the light mounted. Bladetech makes such a holster, but only for the surefire light. Anyone know of a source for an IWB holster for use with a Streamlight TLR-1? Thanks.