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Sneak Peek!! Rainier Arms A-DAC Forged Lower Receiver

Posted on July 18th, 2014 by ar15news

Now this is something I’m excited about. Rainier Arms (one of my favorite retailers) is coming out with a new version of their high quality Forged Lowers. The new lower will have the same features such as compatibility with the Battle Arms Development 45 degree selectors but will also add the A-DAC function from AXTS Weapons.

Rainier Arms Forged A-DAC Lower 1

Rainier Arms Forged A-DAC Lower 1

The A-DAC function is a right-hand bolt catch (integrated into the magazine release button). The A-DAC allows you to hold the magazine release button in (dropping the mag if one is inserted), pull the charging handle to the rear and lock the bolt back all at the same time. As I’ve mentioned in the past, I could care less about an ambi Bolt RELEASE. I want an ambi Bolt HOLD to help with increasing the speed of clearing malfunctions, etc. There really isn’t any other reason for you to manually hold the bolt open unless you’re clearing a malfunction or inspecting the weapon which in both cases you will want to remove the magazine. The A-DAC system is the perfect solution. Watch the following video that shows how the A-DAC system works.

The original Forged lower will still be available, if you don’t want or need this feature. The Mountain logo has also been added to the left side of the receiver.

Rainier Arms Forged A-DAC Lower 3 

Prices will be slightly higher for this version, but unknown at this time. Will be sure to update you as soon as these are available at

Big thanks to my buddy Rich for making the trip to Rainier Arms and sharing these cell phone pics with me. You can follow his professional photography work at UWone77 on Facebook

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