High flow steel slug probe to get the maximum airflow out of your FX Impact.
To get best performance dont forget to buy the (High Flow Dual Hole Transfer Port for FX)
Before tightening the grub screw that holds the barrel in the breech, make sure the barrel is adjusted properly so the magazine slides in and out smoothly.
Important Note: Compatible with M3 factory screw which locks the bolt in place.
If you need the bolt for compatibility with M4 factory screw, do specify in the comments when you place the order.
Contact us if you need any customization and we shall be happy to get it done for you.
If you have any further query about the listed product you can use the above link to “Ask a Question”