Im having problems with reliable ejection and FTF with my Glock 19 Gen 4. It has the 0-3 RSA (sat on the dealers shelf for over a year) I called Glock and they said that I needed the new RSA and they would send me one when they get them back in stock. Seems they are back-ordered on them. Does anyone else make the RSA (Lone Wolf or any other aftermarket company) that is equivelent to the new RSA that Glock is replacing the 0-3 unit with? Thanks!