There are 3 current bullets from Thor- 247 gr hollow point "Colorado" bullet, meets the 2x lenght requirement. 250 gr. ballistics tip that is recommended for Elk and smaller, has excellent penetration, 300 gr. hollow point for tough game. Accuracy 1" or < 100 yards. 5.5" group at 300 yards. goto www.thorbullets.com to see animals taken with Thor bullets and the CVA Electra.