May 27, 2014 What is better than one AR Pistol with SigTac SB15 Stabilizing Brace? Two AR Pistols with SigTac SB15 Stabilizing Braces! Share this gun video:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)