Vantac D.A.D.S. (Direct Access Defense System) is an AR-15 stock system that allows adjusting the length of pull (LOP) without breaking your grip, cheek weld or sight picture. To unlock the stock and adjust its length, you need to push the ambidextrous tabs at the base of the buffer tube with your primary hand thumb. This system has been in development for five years and it’s now available for preorder.

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As shown in the above-embedded picture, Vantac D.A.D.S. consists of a buffer tube with the built-in locking mechanism, a stock, and a spring sandwiched between the buffer tube and stock. Apparently, the spring applies pressure to the stock, so when the tabs are engaged, the stock will try to extend to the longest LOP. After pressing the tabs, the shooter controls the LOP by applying or relieving pressure to/from the stock. Here is a short video showing how it works.

Vantac D.A.D.S. is listed on the company’s website at an MSRP of $349. At the moment of writing this article, it is discounted to $265. The package includes a Mission First Tactical Minimalist stock. The estimated start of shipping of the first batch of 250 is September 2021.

Ambidextrous tabs allow unlocking the stock from either side of the weapon.

This system will probably be more useful for professional shooters (whether it’s LE, military or competition) for whom every saved second matters. A rifle with a Vantac D.A.D.S. stock and Brown Star Concepts RapidTac adjustable foregrip would make an interesting on-the-fly-adjustable rig. Have you been in a situation (or can you think of one) where such a stock adjustment feature could come in handy and allow you to engage the target faster and/or easier? Sound off in the comments section.

Pictures by Vantac International, www.vantac.com