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Old 09-05-2019, 05:22 PM   #1
Masada   Masada is online now
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Join Date: Nov 2015
Posts: 40
VSR Ultimate by Masada

To start, this is a project that I have been wanting to do for a while now and Iíve finally gotten motivated to do it. In short, I wanted to make the best VSR platform that I could.


With that said, this is a one-piece VSR receiver and outer barrel that is fully CNC machined out of 7075-T6 aluminum then hard coat anodized dark grey. Inside are two CNC machined PTFE (Teflon) sleeves to guide the cylinder assembly. With PTFE being a natural lubricant the bolt pull is extremely smooth and requires no other oil or grease to keep it feeling nice.

The ID of the outer barrel is a little tighter than the normal VSRís out there. This was done to hold the hop up chamber closer to the center axis of the outer barrel for better air seal and consistency. I designed it specifically for use with the Action Army hop up chamber, and itís a nice fit in there.

I decided on a 16Ē outer barrel for this one (measured from the chamfer at the front of the receiver section), but obviously any length is possible. 16" gets you to about a 350mm inner barrel. There is a threaded front end for use with muzzle devices as well. M28x1mm.

All major dimensions I took directly from a Marui G-Spec. The pictures that you see below are with Marui and Action Army parts installed.

Thereís only one thing I need to fix for any future production of this: I need to adjust the angled section at the rear of the receiver so that it sits flush on regular stocks.

In addition to the one-piece receiver, I have some parts that I designed to make use of a true LRB system in this platform. I honestly donít know if the entire system will work, but at the very least the adjustable barrel end cap will allow for bending of the inner barrel like all the other LRB mods do. The pieces that I am unsure of are designed to implement an LRB like what was in airsoft guns of the 80ís and 90ís. These LRB components are not done yet though, but I will update when they are.


If there is enough interest I am willing to have a batch of these made for the people that want them.



















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