These replacement Ravin arrows are they same ones that come standard from the factory with your Ravin crossbow. Ravin .003 Arrows400 grain (w/100 grain field tip or broadhead)100% pure carbon constructionStraightness tolerance: .003High-impact brass-threaded inserts and aluminum nock bushings20" length and 2 offset vanesRavin-engineered polymer nocksNote: Use only Ravin-branded arrows with Ravin clip-on nocks Ravin .003 Arrows 400gr 6 Pack R138