Sons of Liberty Gun Works Match Grade .308 Rifle Heavy Barrel - 20"

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The Sons of Liberty Gun Works .308 Match Grade Barrel is perfect solution for your next AR-10 precision rifle. Made from 416R stainless steel—known for being the best steel for accuracy—with a heavy barrel profile, this AR-10 barrel is designed for long range accuracy. It features a 1:10 twist rate and is threaded 5/8x24 for muzzle brakes, suppressors, and flash hiders. It is high pressure tested to ensure it will last a long time and magnetic particle inspected to ensure no micro cracks have developed. A .750” gas block diameter and rifle length gas system makes for a really reliable and relatively lower felt recoil rifle that will give you the best chance possible at hitting long range targets.

  • 20” heavy profile chambered in .308 Winchester
  • Machined from 416R stainless steel
  • Bead blasted finish
  • Rifle length gas system with .750” gas block journal
  • Dimple for set screw gas blocks
  • 1:10 twist rate
  • Threaded 5/8x24
  • High pressure tested and magnetic particle inspected

Sons of Liberty Gun Works is a custom rifle manufacturer in the United States that specializes on the AR-15 platform. They began producing purpose-built weapons for law enforcement and civilians alike and are given a lot of praise for focusing on the details that make an AR reliable. Function over form is what their rifles are known for and they are guaranteed to get the job done. From full rifles to individual parts, you can’t go wrong with SOLGW.
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Barrel CoatingStainless Steel
Barrel ContourHeavy
Barrel Length20
Barrel LiningStainless Steel
Barrel Material416R Stainless Steel
BrandSons of Liberty Gun Works
Caliber Gauge.308 Win
Feed RampsM4
Gas Seat Diameter.750
Gas System LengthRifle
Thread Pattern5/8 X 24
Twist Rate1:10
Weight55.6 oz.

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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