yeah, with the wrapping and bent bolt it looks like your intentions were to make a 91/30PU. In some areas your flow looks a bit bad, namely in the parts i've circled here adding more polys around there to ease the contours will help. Dont let any of the crits discourage you, this is more accurate than the average dickhead…
Okay, where to start. First, go back to the way you had the bolt handle originally, it was correct. The M38 is a different weapon than the rifle in your reference images. Your references are of a M91/30 with a PU scope and a bolt handle modified to accommodate that scope. The M38 was made by taking extra M91/30s and…