Well first off I bought a brand new Rock Island 1911 GI, save the comments I know its a cheap gun. First thing I did was tear it apart, put a new match hammer, sear, beavertail, full legnth guide rod, and grips and magwell. Went to the range to try this new gun out, well I load a mag, rack the slide and let one loose, right dead center, new round fed, but a problem, my trigger is stuck back??? I cannot pull this trigger forward at all, so I drop the mag, unload the chamber and head home. I got home took it apart and nothing looked odd, once I dropped the mainspring housing the trigger came free allowing me to release the hammer. I checked to make sure everthing was put together correctly, and it was, also checked the trigger and made sure that had enough movement but not too much play in it. Put it all back together and back to the range I went, loaded a mag, rack my slide, and fired 1 round and same thing trigger locked back again, I am baffled now, I do not know where to start, any suggestions would be great, thanks