It's all very subjective because it depends on what's important to you and what meets accuracy to you personally. The most important first step is to work on the body of the Denix and sharpen the details. Reforming the trigger is also very important and all of this can be achieved without machines but with a lot of elbow grease..
There are plenty of threads on creating the DL-44:
I've had this Denix for a long time, and it's way overdue for an overhaul. You guys know how bad these are. All the edges are extremely soft, pitting everywhere, etc. I've going to strip it down and sharpen all the edges, clean things up, and add some detail. I've got some old Blast-Tech parts I...
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This is the barrel attachment set up I used. I wanted to keep all the working function and look of the NR barrel and also replicate the look of the only front HERO pic that shows a small bullet muzzle hole...
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chubsANDdoggers has some terrific mods he has done for his series of blasters such at the mod at the foot of this page:
AstroZopyros the main problem when building these now is that there is so many inaccurate replicas being built that it can be misleading. I’ve been guilty of this myself in the past. But if u study the film prop closely and don’t pay to much attention to how others build it.. you’ll be better...
www.therpf.com