The KWA LM4 High Power Bolt Assembly is a completed bolt carrier group for the KWA M4 GBB. This fits both the standard LM4 and the PTS Mega Arms MKM. The High Power bolt shoots approximately 450FPS in stock, untuned LM4 rifles.
This bolt carrier assembly is ideal as a backup or alternate bolt carrier for your LM4 training rifle.
KWA LM4 High Power Bolt Assembly Features:
-Drop In LM4 BCG
-Fires 50+ FPS higher than standard bolt
-Easy repair/replacement bolt