Check the listing for details. Inception Designs Genesis Two 2 Piece Barrel System Upgrade Stella Black NEW. Condition: New. Listed at 41.95 USD. Inception Designs Genesis 2 Piece Barrel System - Black This is the foundation for the Stella Barrel System. All barrel pieces are compatible with ALL other Stella pieces.Only available with .686 inner diameter back and .697 front, but you can add different sized Stella fronts and backs Features UPGRADE BARREL The best choice for your first barrel upgrade is future-proofed and compatible with ALL Stella Barrel components. INCREASED ACCURACY & RANGE Longer 8" back section gives the best combination of efficiency and consistency leading to greater accuracy and range. INCREASED EFFICIENCY Tighter back barrel bore and tighter front barrel bore gives greater velocity and allows the use of lower pressures for more shots from your tank. QUIET Small diameter porting makes the barrel quiet and stops rain and paint getting inside to keep accuracy even in the worst conditions. GENTLE ON PAINT Smoother chamfer and radius entry to the barrel helps prevent paint breakage. TWO-PIECE SYSTEM Allows upgrades with compatible parts so this barrel kit can grow with your paintball experience. Being sold by reputable paintball dealer (PB Sports) Payment may be made by PayPal, MasterCard, Visa, Discover, or American Express. If you want to pay with credit card outside of Paypal, select credit card at checkout, then call us to arrange payment. FREE Standard Shipping! Upgrade to USPS Priority Mail for only $3.00 more! $9.95 for UPS Ground in 48 states. We Do Not Ship Outside the United States, sorry.