Zaffiri Precision match grade barrels for Springfield HellcatA(R). High quality performance you demand with an easy drop-in barrel upgrade. SPECS Length: Flush and Crown - flush with end of slide / inward "crown" shape Twist: 1/10 Quality: 416R Stainless Steel Stress relieved and heat treated to RC 40-42 Polished feed ramp for easy feeding Target crown and oversized lock up area Made to work with Lead, plated or jacketed ammunition Large "ZP" Logo machined on the Port Side of the lockup. Made in the USA Compatible for Springfield HellcatA(R) Mfg: Zaffiri