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

$119.00 - $329.00
(No reviews yet) Write a Review

From Retro Rifles - a well made reproduction of the barrel used in 11.5 inch Colt Commando models from 1967 (XM177E2) up until the mid 80's (model 733). Available with or without Chrome lining.

Why choose this barrel?

- 11.5" Pencil Profile, just like the original

- Chrome Lining optional

- Very Light Weight for size: 1.1 lbs

- 1:9 Twist.. which is hard to find for those of us who prefer it

- You want to save more weight

 

Specifications:

  • 11.5 inch, 4150 Barrel
  • 1:9 Twist
  • Phosphate Finish
  • "Pencil" profile (.625 at Gas Block)
  • M4 Feed Ramps
  • 1.1 lbs.

 

Front Sight Base Specifications:

  • Choice of "F" or "non-F" FSB

 

Full Assembly Specifications: 

  • 11.5 inch, "Pencil" profile
  • 1:9 Twist
  • Mag Phosphate finish
  • Carbine length gas
  • M4 Feed Ramps (compatible with both M4 and non-M4 lowers)
  • Tapper pinned FSB
  • .625 FSB, Non- F mark
  • A1 Round Front Sight Post
  • Early Flat Style Straight "Slip Ring" (not Delta Ring)
  • 4.25" Moderator with Grenade ring (not pinned, removable)
  • Gas Tube & Pin
  • Barrel Shim (just in case it is needed for Barrel Nut timing, taper pins do not need to be removed to install)

 

**Note: Full Assembly will take 4 to 6 weeks to ship from order date