On the Elite Match I often don't recommend spending the money for the upgraded hammer and sear.
The biggest reason for this is because the hammer is held in place very tightly with a roll pin.
On the "Custom" frames like the "Limited", "Gold Team" and "Stock II" the hammer is held in place with a low quality steel pin that slightly wobbles.
If the hammer isn't held in tightly it will result in an inconsistent trigger pull. My hardened hammer pin is oversized and requires minor fitting for the