Short Cat (lynx) modified sniper rifle with extended forend and barrel

My son asked me to modify the Short Cat into a sniper rifle. Simply lengthening the barrel wasn't effective enough, so the forend needed to be extended as well. Therefore, I lengthened it by 142mm, and also added an ornately detailed barrel with grooves. The forend is printed in two sections, connected by four M3×22mm countersunk screws and nuts. Two screws are actually sufficient; you don't need to tighten all four. Screw holes are also provided at the top, these are optional. If needed, M4×1m long screws can be purchased and cut to length. The decorative barrel is threaded for attachment, which also helps secure the barrel, and I also provide a retaining cap (without the decorative barrel). The photos are of the test version; please ignore any imperfections. The print file has been adjusted.