Sionics 16″ Mid-length Chrome Lined 5.56 NATO 1:8 Barrel


The lightweight 16″ variant has been discontinued. All orders will ship with the Medium Contour profile barrel.

Out of stock

SKU: PB-SWS-16-MEDCON Categories: ,


The SIONICS Weapon Systems 16” AR-15 Chrome Lined Barrel is machined from 41V50 Chrome Moly Vanadium Steel. It features a Lightweight or Medium Contour with a Mid-Length Gas System and a .625” or .750″ Gas Seat Diameter. All SIONICS Barrels feature Hand Polished Feed Ramps and go through a rigorous QC process. Furthermore, every SIONICS barrel is Radiograph Inspected at an FAA certified Laboratory. The 1/8 Twist Rate is great for an all around build where you might switch between 55 and 62 grain ammo. The muzzle is threaded 1/2×28 for use with any 5.56/.223 muzzle device. The barrel is Manganese Phosphate coated and Magnetic Particle Inspected. SIONICS Chrome Lined AR-15 Barrels are great for a general purpose carbine. Lastly, the barrel comes Pre-Dimpled for easy installation of the Gas Block.


  • 16” Chambered in 5.56 NATO
  • 41V50 CMV Steel
  • Manganese Phosphate Coated
  • Chrome Lined
  • Medium profile
  • Medium Contour – .750″ GB
  • 1/8 Twist Rate
  • Mid-Length Gas System
  • Magnetic Particle Inspected
  • Weight: 1 Lb. 13oz. for Medium Contour
  • Radiograph Inspected
  • Threaded 1/x28
  • Feed Ramps Hand Polished
  • Pre-Dimpled for easy Gas Block Installation

Additional information

SWS 16" Barrels

Lightweight, Medium Contour


Sionics Weapon Systems


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

You may also like…