BCA Service Barrel Cut & Crown (Per Unit) - Holsters - Ambidextrous magazine release

- Ambidextrous magazine release

75 inch long M4SD-K's ultra-compact size aids in maneuverability and minimally affects the weight balance of the gun

Polymer Lower Receiver

Extra-large tube diameter (38mm)

frame and barrel for theta little bit more accuracy

BCA Service Barrel Cut & Crown (Per Unit) - Holsters - Ambidextrous magazine releaseIf you have a brass, steel, or coated inner barrel thats too long for your build, we can fix that! We can cut your barrel down to your desired length and then apply a proper crown to it using our lathe. While its still in our lathe, we refinish the new, crowned end of the barrel to get rid of any burrs and smooth the surfaces out. Please either mark your barrel where you would like it cut, or give us the desired length (in mm). Also note that if you