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ATTENTION: USPS is currently experiencing significantly longer transit times than normal for packages. If your order is time sensitive please choose an Express shipping option at checkout.
FFL Required Before Shipping. Please have your dealer email a copy of their FFL to FFL@rainierarms.com or fax it to 253-218-2998, referencing your name and order number.
Machined from billet 7075-T6 aluminum, the AX556 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 AX556 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) *Does not come installed
Review by Cameron B. on 21 Apr 2023review stating Great Lower
I’d wanted this for years but always missed them when they were in stock. Having been in training classes where some of their personnel brought their wares to try, I’d found them to be durable and reliable. Nicely made stuff!
Review by Abraham R. on 20 Jul 2022review stating Radian ADAC lower is Top Shelf
Radian ADAC lower receivers are great. The fully ambi-controls, fit & finish, and lower parts included make this a must have receiver. I recommend this for future AR builds.
Review by Cameron B. on 21 Apr 2023review stating Great Lower
I’d wanted this for years but always missed them when they were in stock. Having been in training classes where some of their personnel brought their wares to try, I’d found them to be durable and reliable. Nicely made stuff!
Review by Abraham R. on 20 Jul 2022review stating Radian ADAC lower is Top Shelf
Radian ADAC lower receivers are great. The fully ambi-controls, fit & finish, and lower parts included make this a must have receiver. I recommend this for future AR builds.
