Monkee Mods Challenger MK3 Pro 12KG Spring

After a long wait, Monkee Mods finally bringing you a new spring for upgrading your QWK Challenger MK3 Pro.

This is a 12KG spring for QWK Challenger MK3 Pro, a tougher spring that can provide you a higher FPS count with your QWK Challenger MK3 Pro.

Expected FPS with this 12KG spring:

210 - 220 FPS with QWK EPP Darts

180 - 200 FPS with Worker Gen2 HE / Worker Stefan Gen 3

ATTENTION: This spring is not suitable for QWK Challenger MK3 Standard. Use at your own risk, if you are intending to buy this spring for QWK Challenger MK3 Standard