Lakeline CompensatedCarry ported barrel for Taurus GX4 Carry 9mm. 416R stainless, 3.99", 1:10 twist, 11-degree crown. Does NOT fit standard GX4. Reduces muzzle flip. No FFL required for this item.SpecificationsCore SpecsBarrels Spec Value Category Barrels Caliber 9mm Luger Country of Origin Made in the USA Installation Spec Value Installation Difficulty Easy. Installation Instructions Legal & Policies Spec Value FFL Required No - this is an accessory/part, not a complete firearm Restricted States This item cannot be sold in California Return Policy 30-day return policy Why Buy Lakeline LLCLakeline LLC is a US Navy Veteran-Owned, Osage Nation Tribe Member-Owned company based in Houston, TX. 30-day return policy Frequently Asked QuestionsDoes the CompensatedCarry Ported Barrel for Taurus GX4 Carry 9mm (Not Standard GX4) require an FFL to purchase? No. This is an accessory/part, not a complete firearm, so it ships without an FFL transfer. Is the CompensatedCarry Ported Barrel for Taurus GX4 Carry 9mm (Not Standard GX4) available in my state? This exact listing cannot ship to California addresses. California customers should order the California-compliant version, which ships to a licensed FFL as required by California law. How difficult is it to install the CompensatedCarry Ported Barrel for Taurus GX4 Carry 9mm (Not Standard GX4)? Easy. Lubricate with Gun Grease on outside of barrel and recoil assembly. Download Installation Instructions (PDF) Does the CompensatedCarry Ported Barrel for Taurus GX4 Carry 9mm (Not Standard GX4) come with a warranty? Yes - Lakeline Lifetime Limited Warranty. What is the return policy on the CompensatedCarry Ported Barrel for Taurus GX4 Carry 9mm (Not Standard GX4)? 30-day return policyWarranty InformationLakeline Lifetime Limited Warranty.