Dead Foot Arms—Gen 3 SCW 2.5 Stock/Brace
Dead Foot Arms has introduced its Gen 3 SCW 2.5 stock/brace configuration. Engineered…
Dead Foot Arms has introduced its Gen 3 SCW 2.5 stock/brace configuration. Engineered…
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We set out to build the lightest AR possible and when it was all said and done, it weighed in at 4.5 pounds. Here’s how we did it…
Two years ago, it would not have been possible to build a functioning AR-15 that weighed under 5-pounds with off-the-shelf parts. They were just not available. Thanks to companies like Battle Arms, V7 Weapon Systems and 2A Arms, that has all changed in the last few months.
We set out on a mission to build the lightest AR possible and when it was all said and done, it weighed in right at 4.5 pounds. In this article we’ll share how we accomplished the build and discuss how well it shoots.
There are essentially two metal options when it comes to lightweight receiver sets on the market with more and more coming every day. Take note we said metal, as we are not factoring in composite polymer based lowers.
Either of these options makes a great foundation for your ultra-light build and it really comes down to which looks best to you. We will say that in our experience, Battle Arms puts a lot of attention to detail in their machining and their customer service is top-notch. We have heard great things about 2A Arms but we have no experience working first-hand with them.
For this article, we choose the 2A Arms Balios-Lite because we were going for the absolute lightest possible build. In order to achieve that, we had to use titanium parts for the majority of the components and enlist a specialist in that industry, none other than V7 Weapon Systems out of Grants Pass, Oregon.
V7 makes just about everything for the AR out of titanium, which is stronger and lighter than aluminum, but very expensive and time consuming to machine.
In the case of this build, V7 titanium was used for the Bravo Company patterned KMR barrel nut, Safety, Muzzle Brake, Magazine Release Bar and Button, Bolt Catch, Buffer Tube, Castle Nut, Buffer Retainer, Buffer Spring and a few other small parts. Basically, all of the small components with the exception of the takedown pins from Battle Arms Titanium EPS-TI pin set were made out of V7 titanium.
For the trigger we used the Elftman 3-gun match trigger, which utilized a skeletonized trigger and hammer. For the trigger pins, we used the partially hollowed out CMC Trigger pins.
The polymer ejection port door is from Strike Industries, the grip used is from Umbrella Corporation, the stock is from Battle Arms, and the sights are from Bobro Engineering.
The heavy hitter parts and the ones that usually make up the most weight are the rail, bolt carrier group (BCG), and barrel. We spent a lot of time researching the lightest options available on the market. We chose the ultra-light Keymod magnesium alloy KMR rail from Bravo Company Manufacturing (BCM), the titanium BCG from Boomfab and the barrel from Voodoo Innovations.
Altogether, she is light, but how does she shoot?
The first thing we hear from experienced shooters is that an AR this light must be very hard to control, especially on follow-up shots. Well we are here to tell you, that is true and…false.
A properly tuned gas system with the right muzzle device makes for a very soft shooting AR. Less Mass = Less Recoil. This gun is far gentler than many of my ARs and it is fast shooting too.
In fact, we had the opportunity to shoot the Battle Arms Sub 4lb OIP rifle at Shot Show this year. The recoil was so light, we barely felt it. More info about that one here
We attribute several factors for recoil: weight, balance, muzzle device, and gas flow to result in a proper tuning. It is up to you to figure that out, this was just our recipe and it worked well.
Check out other reviews that we have done.
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