Colt 20" government profile stripped barrel 1:7 5.56 NATO chambered

M16A4 replacement chrome-lined phosphated 4150 CMV steel with 0.75" journal, "C" stamped - New Old Stock

Colt factory replacement barrel, new with "C" MP stamp for older production Colt with Magnetic Particle Inspection.  Government profile with 4150 Chrome-Moly phosphated steel with chrome lined bore and chamber, rifle gas system with 0.75" gas journal.  In military grade blue VCI plastic factory packaging.

Features

• Colt factory replacement barrel, new old stock
• complete with M4 extension with feedramps
• 0.75" gas journal, to fit milspec standard front sight base or low-profile gas block
• 5.56 NATO Chambered 1:17 twist, chrome lined, /1/2"-28 standard 5.56mm threads
• 4150 Chrome-Moly-Vanadium military grade steel with milspec phosphate (Parkerized) exterior gray/black finish
• "C" MP stamped
• rifle length gas port
• 0.70" muzzle step
• "R" stamped Rosco fabricated for Colt
• does NOT include barrel nut or handguard end-plate
• Manufacturer's Part number SP-401277