Had nearly two years so far of trouble free shooting with my LP5, I have just reset my trigger to factory settings since was shooting with the trigger how it was when I got it, The factory settings are very good indeed and made a huge improvement over where I have been shooting with it suggesting that these settings are about right, One of our club members shoots the short version and does very well with it, I find it too light but that's a personal thing,
The LP5 standard is actually already shorter than the LP50 Standard so worth bearing in mind,