These seem to be making quite a splash around the internet. The new Cobra Series Trigger Guards from Strike Industries are non-folding replacement for the standard AR trigger guards. They are available in are four models: classic, ambidextrous, left only, and right only. Sold in packages of two, package 01 includes both ambidextrous and left only trigger guards. Package 02 includes both straight and right only trigger guards. The ambidextrous, right only, and left only trigger guards feature unique finger rests while the classic model is just that and retains the standard AR-style trigger guard width.
Available in Black, Flat Dark Earth, and Olive Drab.