[Product Information]

• Enter your model numberto make sure this fits.
• 5kg custom fitted upgrade spring; compatible with: Double Dealer， Recon， Alpha Trooper， Raider， Longstrike， and Deploy.
• WARNING: Does NOT work for Elite Alpha Trooper OR Modulus Recon MK II.
• Mod at your own risk! Increasing the spring tension can break or damage stock internal components of your blaster.
• Some blasters are extremely hard to reassemble， and we won't be able to troubleshoot problems due to user error.
• Blaster not included.