Machined from billet 7075-t6 aluminum, the a-dac 15 is a fully ambidextrous lower receiver for ar15-style firearms.In addition to the talon ambidextrous safety selector, left-side magazine release, and right-side bolt release, the a-dac 15 features the patented a-dac (ambidextrous dual action catch), which allows right-handed shooters to easily lock the bolt to the rear without taking their hand off fire control.To hold the bolt back using the a-dac, simply pull the charging handle to the rear, depress the right-side magazine release button, then release the charging handle.Other features and specifications include: billet machined 7075-t6 aluminum construction w/ integral trigger guard and flared magazine well.Sart (self-adjusting receiver tensioner) spring-loaded plunger to reduce upper/lower wobble.Radian talon 45/90 ambidextrous safety selectors (long/short).Enhanced takedown pin set.All proprietary hardware included (extended bolt catch, left-side magazine release paddle, right-side magazine release button, right-side bolt release paddle, hammer pin.Note: all proprietary hardware included (extended bolt catch, left-side magazine release paddle, right-side magazine release button, right-side bolt release paddle, hammer pin)Type: Semi-CompleteCaliber: Multi-Caliber