7.5" 556 barrel with surefire warcomp. $100 for just the barrel shipped
another $100 if you want the warcomp with it
1/7 twist, micro gas length
Put 100 rounds through it.
Air gun Gun accessory Metal Composite material Auto part
Eye Iris Eyelash Plant Gas

Finger Circle Gas Household hardware Cameras & optics

Auto part Composite material Metal Event Gun accessory