The Ravin .001 R500 crossbow bolts are high-strength carbon shafts provide consistent downrange accuracy with minimal loss of kinetic energy. The 2" high-profile vanes are offset to create a more stable flight and reduce vibration. The high-impact nock bushings lock into Ravin's unique trigger system and provide added string impact strength. Features Match grade.001 StraightnessUnmatched durability and straightness retentionConsistent downrange accuracyIncrease nock impact strength300 grain6 premium carbon arrowsBrass inserts, nocks, and aluminum nock bushingFor use only with Ravin R500 series crossbows