Return to Colt M4 Commando 11.5 inch 5.56mm Heavy Barrel Assembly w/ Low Profile Gas Block
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  0 of 0 people found the following review helpful:
 
Colt FBI barrel July 29, 2019
Reviewer: Brian Jaynes from Dallas, TX United States  
Quality Colt item in factory plastic packaging. Happy with purchase

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  6 of 6 people found the following review helpful:
 
***BE AWARE*** July 7, 2019
Reviewer: Anonymous Person from Washington State  
Great barrel, BUT, be aware these barrels have a .073 diameter gas port.  I have 3 examples of this barrel and all three measure the same, .073.  Unless pared with an adjustable gas block or gas port restrictor your rifle will be overgassed. For suppressed use it will be severely overgassed.  The gas port size should be listed in the product description.

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  2 of 2 people found the following review helpful:
 
Colt M4 Commando Heavy Contour B. July 2, 2019
Reviewer: KEN from Decatur, AL United States  
Item just as described, Factory Colt!! "Recommendations" Please do something in regards to you're shipping/packaging Dept. Otherwise, would be 5 STARS?

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  3 of 3 people found the following review helpful:
 
Colt M4 Commando 11.5 inch 5.56mm Heavy Barrel June 26, 2019
Reviewer: Donald Drake from Bedford, TX United States  
This product was new in the bag and exactly what it said it was.

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  4 of 4 people found the following review helpful:
 
Great Barrel. Need info on specs... June 18, 2019
Reviewer: Anonymous Person from Phoenixville , PA United States  
Installed barrel into a Colt upper receiver with Colt BCG.  Swapped my Aimpoint from my 6920 and the first shot was in the X at 50 yards!  No need to zero!  Crazy. 1.5 MOA barrel with surplus ammo.  Bought this because the FBI HRT barrels are supposed to have a .069 gas port.  No one at AU could confirm this... or tell me anything about the barrel.  I question that GP size as xm193 is ejecting at 1:30 and the cases have a ding from the brass deflector. Fiocchi .223 and Brown Bear function fine and eject at 3:30-4 o’clock.  Wanted this barrel for 50/50 suppressed use.  May get a BRT reduced gas tube for it. AU shipped fast but they should have someone capable of answering technical questions.

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  0 of 0 people found the following review helpful:
 
June 15, 2019
Reviewer: Skyler Rose from Reno, NV United States  


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  0 of 0 people found the following review helpful:
 
Colt Barrel 11.5 inch June 6, 2019
Reviewer: SRL from Conneaut, OH United States  
Great barrel, fast shipping

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  1 of 2 people found the following review helpful:
 
Quick Shipping May 5, 2019
Reviewer: Sam Sumrall from BUDA, TX United States  
1/7" twist. Neat offering.

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  3 of 5 people found the following review helpful:
 
Nice Colt Barrel May 3, 2019
Reviewer: Eric Bell from Honolulu, HI United States  
AU shipped the barrel the same day I ordered it. Barrel is perfect. Was the first time I’ve removed a factory gas block/front sight from a Colt barrel and it was NOT phosphate after the pins were drilled. So the underside of the gas block and the tapper pin drilling into the barrel is bare steel. Colt usually does the phosphate coating after all of that so there is no bare steel.

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  0 of 0 people found the following review helpful:
 
11.5" Perfection April 30, 2019
Reviewer: curtis mattingly from lexington, SC United States  
What can I say, from start to finish everything was perfect.. Thanks AU!

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