Since 1969

20" 308 Winchester (AM-10/AR-10) Barrel Heavy Profile Rifle Gas System

Anderson Mfg # B2L004A003 |  Item # 045-B2L004A003
  • 20" 308 Winchester (AM-10/AR-10) Barrel Heavy Profile Rifle Gas System
  • anderson-manufacturing
Status: Backorder OK
  • This item has restrictions that may prevent its sale by age or location.


20" 308 Winchester (AM-10/AR-10) Barrel Heavy Profile Rifle Gas System
by Anderson Manufacturing

*Note: This barrel is not compatible with the DPMS Gen II rifle.

Product Overview

Midsouth now offers the Anderson 20" 308 Winchester (AM-10/AR-10) Barrel with Heavy Profile Rifle Gas System and a 1:10 twist rate. The 20 inch 308 Winchester barrel is the perfect addition to your upper for a carbine rifle build. The barrel has a 1 in 10" twist rate that will stabilize light to medium weight bullets very well. The entire 4150 Chrome Moly Vanadium Steel, 20", .308 Winchester barrel is Parkerized to prevent rust and corrosion, even in the harshest environments. The muzzle on the 20" .308 Winchester barrel is threaded 5/8 x 24TPI to accept your muzzle devices. This barrel is rifle length and requires a rifle length gas tube for the rifle length gas system.


The Anderson 20" .308 Winchester barrel has a Parkerized finish and is chambered for .308 Win or 7.62x51 NATO. The barrel is made from 4150 Chrome Moly steel and has a rifle length gas system. The barrel is threaded 5/8x24 TPI and has a 1:10 twist rate.

Specifications and Features:

  • 20" Parkerized Barrel
  • .750 diameter for Gas Block
  • 5/8" x 24TPI barrel Threads
  • Heavy Profile
  • 4150 Chrome Moly Vanadium
  • Rifle Length Gas System

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  • Shipping Weight: 3.14lbs. - Please Note: Most packages will require extra packing materials.
  • This item is regulated by the US STATE DEPARTMENT and may require an EXPORT LICENSE for international orders.
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