Precision aluminum barrel Tight Bore MadBull. 6.01×229 for airsoft replicas M4 / SR16 / SG551.
Increased performance: + 15%!
New ultra-lightweight design.
Compatible with all brands of AEG
Be careful with the quality of the balls used! With this type of gun, prefer the high-end balls, DEVIL.
Manufacturer: MAD BULL
Reference: 16912
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