Guntec USA 5.56 M4 Barrel - 7.5"

Manufactured by Guntec USA
SKU: BAR-7.5
MPN: BAR-7.5
Manufactured by Guntec USA
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NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.



All NFA and local laws apply, make sure you know them before ordering or installing this barrel.

Guntec USA has been designing, manufacturing, and distributing tactical weapon accessories since 1989. Their goal is to supply excellent quality, at an economical value to professionals and enthusiasts alike.

A quality barrel doesn't have to break the bank. Guntec USA proves this with their line of accurate barrels for the AR-15. Machined from 4150 chromoly steel blanks, this barrels have been cut to a handy M4 contour to provide an excellent balance between lightweight and thermal stability. Equipped with a proper 5.56 NATO chamber, this barrel will make a fantastic addition to your next build.

  • 7.5" 4150 Chromoly Steel barrel
  • M4 contour
  • Pistol length gas system
  • 1:7 twist rate
  • 5.56 NATO chamber
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Barrel CoatingSalt Bath Nitride
Barrel ContourM4
Barrel Length7.5
Barrel LiningSalt Bath Nitride
Barrel Material4150 Chrome Moly Steel
BrandGuntec USA
Caliber Gauge5.56 NATO
Gas Seat Diameter.750
Gas System LengthPistol
Thread Pattern1/2 X 28
Twist Rate1:10

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

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