Anderson Manufacturing 5.56 Carbine Length M4 Contour AR-15 Barrel - 1:7 Twist Rate - 16"

Manufactured by Anderson Manufacturing
SKU: BK-K004-AN07
MPN: BK-K004-AN07
Manufactured by Anderson Manufacturing
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The Anderson 16'' 5.56 NATO Barrel is machined from 4150 chrome moly vanadium steel with a parkerized finish and an M4 contour, reducing weight where it matters for a balanced build. Capable of chambering 5.56 NATO and .223 Remington, this barrels 1:7 twist rate is ideal for a wide variety of projectiles from 45 to 77 grains.


  • 16″ 4150 chrome moly vanadium M4 Contour barrel with parkerized finish
  • Chambered in 5.56 NATO with a 1:7 twist rate
  • Carbine length gas system
  • .750″ gas seat diameter
  • 1/2x28 muzzle thread
  • Non RF85 treated

Anderson Manufacturing builds rifles, pistols, and parts utilizing the latest in computerized manufacturing. By keeping manufacturing in house, Anderson can offer quality, American-made products at an affordable price, backed by a limited lifetime warranty.

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Barrel CoatingParkerized
Barrel ContourM4
Barrel Length16
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandAnderson Manufacturing
Caliber Gauge5.56 NATO
Feed RampsM4
Gas Seat Diameter.750
Gas System LengthCarbine
Thread Pattern1/2 X 28
Twist Rate1:7
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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