Colt

Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight

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SKU:
SP64049
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  • Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight
  • Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight
  • Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight
  • Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight
  • Colt M4 CQB 10.3 inch 5.56mm Barrel Assembly w/ Fixed Front Sight
Now: $265.00
Was: $295.00

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Description

Colt M4 CQB 10.3 Inch 5.56mm Barrel Assembly w/ Fixed Front Sight P/N: SP64049 UPC: 098289600240

Factory Colt M4 CQB profile barrel. 10.3 inch, 5.56x45mm NATO, carbine-length gas system. Complete assembly with M4 feed ramps, barrel nut, and fixed front sight tower with sight post. Muzzle is threaded 1/2-28 for your choice of muzzle device.

Same barrel family Colt uses on CQB / Commando-length uppers. Chrome-lined, 1:7 twist, government contour.

Features

  • Factory Colt M4 CQB 10.3" barrel assembly
  • 5.56x45mm NATO chamber
  • Chrome-lined chrome-moly barrel
  • 1:7 twist, six-groove rifling
  • Government / M4 contour
  • Carbine-length gas system
  • M4 feed ramps and barrel extension
  • Barrel nut included
  • Fixed front sight tower with sight post
  • Muzzle threaded 1/2-28
  • Parkerized / matte black finish

Specs

  • Manufacturer: Colt
  • Part number: SP64049
  • Caliber: 5.56 NATO / .223
  • Length: 10.3"
  • Twist: 1:7
  • Gas system: Carbine
  • Gas block journal: 0.750"
  • Threads: 1/2-28
  • Contour: Government
  • Chrome lined: Yes
  • Includes: Barrel, barrel nut, FSB / sight post
  • Platform: M4 / AR-15
  • Origin: USA

NFA notice

A barrel under 16" is restricted. Install only on a pistol, a registered SBR, or a registered machine gun. Do not put this barrel on a Title I rifle. Buyer is responsible for all federal, state, and local laws.

Muzzle device, gas tube, and upper receiver are sold separately.

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Additional Information

Caliber:
.223/5.56
Barrel Length:
10.3"
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30 Reviews

  • 5

    Colt 10.3 barrel with assy with FSB

    Posted by Frank on 16th Feb 2022

    Received this barrel yesterday and it looks good! This barrel came with the sling mount on the front!!! I'm still waiting on the a delta ring assembly to arrive before I put the upper together.

  • 5

    Colt 10.3 Barrel

    Posted by Chris Lawrence on 23rd Mar 2021

    Fast Shipping! Just as Described!

  • 5

    Colt 10.3 barrel

    Posted by Justin on 1st Mar 2021

    Great barrel at a great price.

  • 5

    It's a Colt!

    Posted by HC on 13th Apr 2020

    Don't complain about the price, it is what it is and AU delivers. This is the real deal straight from Colt to you through AU and they did a great job getting it to me. For anyone looking to do a clone correctly or if 10.3 is what you want look no further.

  • 5

    Barrel

    Posted by Donnie Hilterbrand on 13th Apr 2020

    Great price and just the part needed for a future SBR build.

  • 5

    Factory New

    Posted by Chris on 10th Apr 2020

    Brand new and in blue protective bag. Great price compared to elsewhere.

  • 5

    Exactly what you’d expect!

    Posted by Mr. CQBR on 19th Mar 2020

    This Colt barrel is what you want for your CQBR build. Comes sealed in a blue bag.

  • 5

    Nice Colt Barrel

    Posted by Kristen Randall on 11th Mar 2020

    Nice barrel with FSB - everything went together perfectly. May buy another to have on hand.

  • 5

    nice find

    Posted by Isaiah Frazier on 23rd Jan 2020

    great price on a hard to find Colt part

  • 5

    Barrel

    Posted by Gary on 15th Jan 2020

    Great price on a FSP barrel. Looking forward to completing my build

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