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10.3 Crane Spec .070 FSB 556
556 NATO 10.3" FSB (Port Size 0.070)

$160.00
(3 reviews) Write a Review

- 4150 CMV Melonite

- .070 Gas Port Size

- QPQ Corrosion Resistant Finish

- QPQ M4 Feed Ramps Extension

- Carbine Gas

- 1/7 Twist

- 1/2x28 Muzzle Thread

- Pinned F-Mark Front Site Base

 

 

This barrel may not cycle 100% when operated without a suppressor 

This barrel does not come with front sight parts or sling swivel installed (must purchase separately)

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- 4150 CMV Melonite

- .070 Gas Port Size

- QPQ Corrosion Resistant Finish

- QPQ M4 Feed Ramps Extension

- Carbine Gas

- 1/7 Twist

- 1/2x28 Muzzle Thread

- Pinned F-Mark Front Site Base

 

 

This barrel may not cycle 100% when operated without a suppressor 

This barrel does not come with front sight parts or sling swivel installed (must purchase separately)

3 Reviews 556 NATO 10.3" FSB (Port Size 0.070)

5 out of 5 (3 reviews) | Top Reviews | Hide Reviews Show Reviews
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  • 5
    10.3" NATO barrel w/ .070" gas port

    Posted by Ryan Osborne on May 8th 2017

    For years if you wanted a 10.3" barrel for a faithful MK18 clone you had to buy a barrel, send it off, have it cut down and get the gas port modified, and then hope the work was done right. Alternatively you could pay a lot of money for an original Colt.

    Andro Corp made life way easier by offering a very high quality barrel from the factory that meets the specs to a T. The machining and finish are excellent, the rifling looks flawless, and the extension fit into the receiver is very snug. Very pleased so far with mine.