Zaffiri Precision match grade barrels for Hellcat. High quality performance you demand with an easy drop-in barrel upgrade. Specifications Compatible with Springfield Armory Hellcat (Micro-Compact) will be too short for Hellcat Pro 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 NOTE: THIS BARREL DOES NOT FIT THE CALIFORNIA COMPLIANT MODEL due to the loaded chamber indicator notch. There will be a solution in the near future.