SKU: RWR02-11
UPC: 817093023713
MPN: R0390
The Radian Weapons A-Dac 15 lower receiver is a fully ambidextrous, semi-complete AR-15 lower built for shooters who want both hands working the controls without ever leaving the firing grip. Machined from billet 7075-T6 aluminum and finished in Flat Dark Earth Cerakote on the R0390 variant, this Radian lower runs mil-spec dimensions so it accepts standard upper receivers and fire control components. It's a serialized firearm part and the foundation of any precision AR-15 build. Left- and right-handed builders get identical control access, which makes it a strong starting point for a duty rifle, a competition gun, or a do-everything carbine.
What sets this Radian lower apart is the patented dual-action catch system, which lets a shooter lock the bolt to the rear without moving a hand off the fire control. Radian pairs that with a Talon 45/90 ambidextrous safety selector, a left-side magazine release, and a right-side bolt release for true bidirectional manipulation. The receiver includes an integral trigger guard and flared magazine well for faster reloads, plus a spring-loaded tensioner that takes the slop out of the upper-to-lower fit. All proprietary hardware ships in the box: the extended bolt catch, left-side magazine release paddle, right-side magazine release button, right-side bolt release paddle, and hammer pin. An enhanced takedown pin set rounds out the package. Compare it against other billet receiver sets we stock.
Builders reaching for this Radian lower are usually chasing ambidextrous handling on a fighting rifle or a match gun where every fraction of a second on the reload counts. Drop it into a build with a matched upper, a quality trigger, and the bolt carrier group of your choice, and you have a platform that runs the same for southpaws and right-handed shooters. If you're sourcing the rest of the package, our Radian builder kits pair naturally with this receiver. Browse the wider selection of sporting long guns and components at TSA to finish the project.
It's a semi-complete lower. The receiver ships with all proprietary Radian hardware, including the extended bolt catch, magazine release paddle and button, bolt release paddle, hammer pin, and an enhanced takedown pin set. You'll still add a fire control group, buffer assembly, and stock to finish the build.
Radian's patented dual-action catch lets a shooter lock the bolt to the rear without moving a hand off the fire control. That keeps the firing grip intact during manipulations, which is one of the main reasons builders choose this receiver for duty and competition rifles.
Yes. The A-Dac 15 is machined to mil-spec dimensions, so it accepts standard AR-15 upper receivers and fire control components. A spring-loaded tensioner reduces wobble between the upper and lower for a tighter fit.
It's machined from billet 7075-T6 aluminum. The R0390 variant carries a Flat Dark Earth Cerakote finish, per manufacturer specifications.
Yes. A lower receiver is the serialized firearm component, so it must transfer through a licensed FFL dealer. We'll coordinate the transfer to your chosen FFL once your order is placed.
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