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    Discussions on Industry news and building AR-308, LR-308, AR-10. Where to find the best prices for a simple build or the top quality parts for a high-end AR rifle.

    A step by step build of a SI-Defense AR-308

    If you just want a high quality AR Rifle but do not have the time to build one, SI-Defense can build you a custom rifle using top quality parts to ensure you get one of the best quality AR rifles in the world.

    This website is dedicated to bringing you the Latest News about our 2nd amendment attacks and building an AR-308 / 7.62mm rifle. Here we will share our building process and the places that supplied the parts for our build.

DPMS – SASS 308 AR-308 Barrel 18″

DPMS – SASS 308 AR-308 Barrel 18"


 DPMS Barrel is fully chambered in 7.62x51mm NATO and ready to install on an upper receiver. This DPMS top of the line barrel features 1 in 10″ Twist, Mid-Length Gas Port, 416R Stainless Steel, Black Teflon finish . 18″ Bull Barrel is fluted for increased stiffness, reduced weight, and greater surface area for faster cooling. Barrel extension and locator pin are both included and installed at the factory. The barrel is threaded 5/8″-24 for the addition of any compatible flash hider, muzzle brake or sound suppressor.


  • Length: 18″
  • 416R Stainless Steel
  • Contour: Fluted, Bull
  • Chamber: 308 Winchester / 7.62x51mm NATO
  • Twist Rate: 1 in 10″
  • Finish: Teflon Black
  • M4 Feed Ramps
  • Muzzle Thread Pattern: 5/8″-24
  • Mid – Gas Port Location
  • Exterior Diameter at Gas Port: 0.936″

Available at Brownell’s SASS 308 AR Barrel