Defying traditional tactical rifles, this Christensen Arms TFM Carbon .223 Rem rifle features a 20" carbon barrel with a muzzle brake, timney trigger, removable drop mag box, mini M16 style extractor, integral picatinny rail, tactical bolt knob, spiral flute bolt, 17-4 SS machined action, glass bedded Tier 1 natural graphite carbon stock, and a 1/2 MOA guarantee.