11.5 inch Colt model 733 / M4 Commando / XM177E2 barrel (.625)

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$249.00 - $385.00

This is one of the hardest Barrels to find.. and so many different Builds can be made with this Barrel (Xm177E2, Gau-5, Colt Commando, model 733, etc).

  • 11.5 inch, 4150 Barrel
  • Pencil profile (.625)
  • 1:9 twist rate,
  • Phosphate Finish
  • Chrome Lined
  • M4 Feed Ramps
  • Carbine Gas
  • Only 1.36 lbs

Equally ideal for a Retro or Modern Build... this barrel is also quite popular with Law Enforcement in Airports and on Motorcycles.

 

We offer this barrel in 3 levels of Assembly:

 

 Barrel Only, no other Parts.

 

Front Sight Base and Tapper Pin Job performed - We put on the FSB and nothing else (see notes on "Short Pinning"

  • Choice of "F" or "non-F" FSB

 

Full Barrel Assembly - Fully assembled and ready to mount on your upper receiver.

  • Choice of "F" or "non-F" FSB
  • Tapper pinned
  • A1 Round or A2 Square Front Sight Post
  • Early Flat Style Straight "Slip Ring" or later Delta Ring
  • Gas Tube & Pin
  • Sling Swivel
  • Barrel Shim (just in case it is needed for Barrel Nut timing)
  • No muzzle device

 

 

 

 

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