Once again, the Gratuitous Gas Gun Geek is back with an update to his build. Since I have been milling this WA project in my head for quite awhile, I think I have most of the parts ironed out for this build. I have broken down my list into two sections, the upper and lower receiver, so it helps me make sure I do not duplicate my parts. I will be linking a website for each part, but that does not mean I ordered it from there. The status of each part is also shown. I haven't bought much, but what I did buy has a nasty habit of disappearing before I get the chance to order it, so I jumped on it while I could. In my opinion, I think the upper receiver will be the easiest and fastest part of this project. Most issues I would run into would be fitting and alignment. Without further adieu, here is a list of all of the parts for the upper receiver:
G&P VLTOR Trademarked Receivers
(Ordered)
Stainless Steel Hop up Round
(Not Ordered)
Prime Design CNC'd Hop Up Chamber - AEG barrel and Hop Up
(Not Ordered)
Polarstar Concave Hop Up Spacer
(Not Ordered)
G&P Max Accuracy Bucking for AEGs
(Not Ordered)
Precision 6.03 Inner Diameter AEG Barrel
(Not Ordered)
G&P M4A1 Profile 14.5 Inch Steel Outer Barrel
(Not Ordered)
Real Steel Barrel Nut and Delta Ring Assembly
(Picking up at a local gun show or online somewhere)
Dytac VLTOR Low Profile Gas Block
(Not Ordered)
Guarder Stainless Steel Gas Tube, Carbine Length
(Not Ordered)
G&P VLTOR Type II Flash Hider (14mm CW)
(Not Ordered)
King Arms VLTOR CASV-M Rail System
(Ordered)
Custom Polymer Loading Nozzle & Wedge lock
(Someone from a forum I belong to makes loading nozzles with a special plastic. All I need to do it ask him to make me one. Not Ordered)
RA-Tech Steel Bolt Carrier w/ VLTOR Logo
(Not Ordered)
TSC VLT Style Charging Handle - Latch Type A
(Not Ordered)
This list is pretty basic. The receiver is aluminum, just like the real steel, but the barrel is steel as is many other parts. If you haven't noticed, I did not include my sighting system. I do know what I want to do for that, but when I explained it to some people, they didn't quite get it.
As part of my rules, I chose not to use a commonly found optic. For airsoft, this means that EOTech's, Aimpoints, and ACOG's were out. A newer type of red dot has surfaced in the real steel world known as the Micro Red Dot. These optics have similar features to their larger counterparts, but have a smaller size to lighten the weight and reduce the sight's impact on the surrounding area (How much visually is blocked by the parts of the optic. Things like the battery tube, adjustment knobs and the mount for instance.) I have recently found an optic base manufactured by LaRue Tactical, called the Iron Dot. This mount has a Doctor Optic style of sight seated high enough for co-witness and a protective shield surrounding the actual optic. They make different mounts to fit other sights like the Burris Fastfire, but one does not exist for airsoft. I found one that was the closest I could get to the LaRue mount. It lacks the shield, but that is nothing a plasma cutter, a few bends, and a tap couldn't fix.
Another issue I was running into was with the rail system, the VLTOR CASV-M. The neat thing about this system is that even though you need to have a low profile gas block, it comes with a folding front sight that mounts to the front. The issue I run into is co-witnessing. The rail adds some fraction of an inch (I believe it is 0.375 in) to the height of the flat top mount. If I mount this Micro Red Dot, then I an afraid I can't cowitness with the included front sight. There is a simple solution to this, which is buying a separate front sight. I am still deciding if I want to spend the extra cash on something like that. Granted, it would be a small fraction of the overall cost for this build, but sometimes, every penny counts. So here is my optics and BUIS set up.
Dytac Micro Red Dot Reflex Sight with QD Mount
(Ordered)
SR25/PDW Style Flip Up Front Sight
(Not Ordered)
UTG Tactical Flip Up Rear Sight
(Not Ordered)
I like the look of the A2/A4 style of rear sight and the large adjustment knob requires no tools. I also like the slim profile of the Knight's style flip up front sight (A similar one comes with the rail). The red dot is a unique touch to the minimalist style on the top of the receiver. I was trying to avoid have the most tacticool optics package, and I think a small profile helps that.
So that is all I have for this post. I talked with my local shop and parts have been ordered. Hopefully the next post is the unboxing. I won't be able to build anything yet until I have some more money. Until then, look out for an lower receiver parts list. I welcome any criticism in my list, but I am pretty confident in what I have come up with.
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