Custom Products Combat Classic .689 20" Barrel - Autococker Barrel Cases & Accessories The XVR is dual air

The XVR is dual air compatible which is the ability to add a front vertical regulator when using an aftermarket on/off ASA

the new electronics and screen are much more reliable after exposure to moisture and excessive humidity

Inner Barrel Diameter:

Protection: If you think you may be operating in buildings

Custom Products Combat Classic .689 20" Barrel - Autococker Barrel Cases & Accessories The XVR is dual airThe Combat Classic Barrel is machined and honed to the same exacting standards as the Combat Pro System but does not have the interchangeable tip or optional hand guard thread adapter. The entire barrel has been "fluted" and has superior porting to reduce noise and improve accuracy.