CORE BARREL: The DYE Core 14” long, two-piece construction barrel comes with DYE’s proven vent hole pattern in the trademark steady port tip, and Core control back with an internal bore machined and finished under extreme tolerance specs. Self-aligning two-piece construction ensures properly centered assembly between control bore and steady port tip. This combination of precision components provides an extremely quiet shot, superior accuracy and unbeatable performance. Compatible with all DYE barrels and markers.