All are one-button cores. Please ask about ompatability before ordering. 

TXQ cores with chassis, soundboard, speaker and buttons and led/pixel connector. Installed with wiring and suitable for drop-in replacements of your existing TXQ lightsaber. 
 
Please specify the hilt you are purchasing for to ensure you receive a compatible chassis. These prices are based on the Apprentice/Knight Series Sabers and will cover many in the Master series also. Replica series sabers often have custom cores which may be an additional cost. Crystal cores are also an additional cost. Please message us to discuss. 
 
Free shipping if purchased with a lightsaber.