Aero Precision 8.3" 9mm CMV Barrel w/ 9mm Black Nitride BCG Bundle - APSL100339

Aero Precision APSL100339: The Aero Precision EPC/AR9 Bolt is the core of your EPC build. Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision machined from the ground up to meet the extreme demands of blowback AR platform firearms. This 9mm chambered 8.3 inch straight profile barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28 x .400 full profile threads.

Bolt Features:

• Machined from 8620 Steel
• Black Nitride Finish

Bolt Includes:

• 8620 Steel Bolt Assembly
• 4140 Steel Bolt Guides
• Grade 23 Titanium Firing Pin
• Firing Pin Retaining Pin
• 4140 Steel Extractor
• Heavy Duty extractor coil pin
• (all parts are installed)

8.3" 9mm Barrel Features:

• Chamber: 9x19
• Length: 8.3"
• Twist: 1 in 10
• Threading: 1/2"x28
• Material: Chrome Moly Vanadium
• Finish: QPQ corrosion resistant finish both inside and out
• Designed to work with both Colt/RR and Glock style AR builds
• Compatible with EPC upper receivers, as well as standard mil-spec upper receivers
• 9mm on an AR15 platform operates by blowback and does not need a gas block or gas tube
• Threaded 1/2x28 to give you versatility when choosing a muzzle device
• Integrated barrel extension
• Since the "barrel extension" is an integral part of the barrel, the length stated is the true overall length. For example, an 11" 9mm barrel has the same outer dimensions/length as a 10.5" 5.56 barrel.