20″ M16A1 style pencil barrel in 1:12 twist 5.56

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SKU: BARREL-20LWT12 Categories: ,


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Please read before purchasing. If you are building a upper from a surplus parts kit do not attempt to swap out the sight base on this barrel for the used unit in your parts kit. The front sight bases are machined to each barrel and are not meant to be swapped out.

Each barrel includes an A1 front sight base mounted to the barrel along with a triangle hand guard end cap and barrel nut. Barrels Do Not include front sight post, detent or spring.



  • -20″ Light weight profile barrel with chrome lined chamber and bore
  • -Parkerized chrome moly steel
  • 1:12 twist 5.56 Nato chamber This twist rate is good for a max. projectile weight of 55gr.
  • -.625″ NON “F” marked sight base installed with taper pins and includes barrel nut and triangle hanguard end cap
  • -Made from 41v50 vanadium alloy milspec steel
  • -Has Rifle feed ramps and will only work in NON M4 feed ramped receivers
  • -1/2 x28 thread pattern

Additional information

Weight 1.8125 oz
Dimensions 20 × 1 × 1 in


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