This is a complete assembly, with firing pin and extractor installed, and ready to go into your pistol caliber carbine build.
• One piece design for superb reliability
• Machined from a single piece of premium 8620H steel alloy
• Finished with a deep-penetration salt bath nitride
• Comes with forward assist serrations
• “Ramped” to accommodate both standard GI and dedicated 9mm hammers.
• Manufactured in state-of-the-art facility with ISO:9001 & AS:9100 quality certifications