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Adams Arm's 16.5 Rifle Length Ultra Lite COR 3 Gun Barrel Voodoo [VDIBRL-16.5-R-L-556]  $299.00  $249.95 

Adams Arm's 16.5" Rifle Length Evo Ultra Lite .750" C.O.R. VooDoo AR15 Barrel

These are the same ultra accurate, high velocity shooting barrels that Adams builds their Competition 3 Gun COR rifles with. The barrel was chosen with a comprehensive approach to create the lowest felt recoil pulse while maintaining ultimate accuracy and maneuverability.They make a great foundation to build your own custom smooth cycling system! All Adams Arms products are made in the USA and come with a Life-Time Warranty.

  • 16.5" Barrel
  • VDI LifeCoat 16.5” Lite Rifle Length Match Grade Barrel (.750 Gas Seat)
  • M4 Feed Ramps
  • This Match-Grade barrel is precision honed, creating a smooth round and straight hole
  • Chambered 5.56x45mm NATO (will also shoot .223)
  • .750" Shoulder Now with Rearward Angled Gas Port!(see more info below)
  • 1:7 Twist
  • Ultra Lite 4150 CM Melonited (inside and out) Check out the velocity tables.
  • Weight: 2 lbs 0.0 oz

Best "Bang for the Buck" choice in AR-15 barrels on the market today! Adams Arms has expanded its product line to now include a line of barrels. The barrel has been treated with our salt nitride Meloniting process making them more corrosive resistant and harder than hard chrome.  This newer technology results in a longer lasting, more resistant, and more accurate barrel that produces higher ballistic velocities than a similar chrome lined barrel. These barrels have proven to OUTPERFORM any mil-spec barrel on the market and come with a LIFETIME WARRANTY.

Current Barrels Disadvantages:

Standard chrome lined barrels are rifled with a slightly larger diameter than what is needed. This is done so the hard chrome can be added on top of the surface area which will add to the tolerances. It leaves high and low spots along with microscopic divots and deficits. These imperfections add resistance to the round as it travels down the barrel, slowing down the velocity. Accuracy and range of efficiency drops when the velocities on the round drop. This is evident even more so with the shorter barrels. The trade off is hard chrome resists corrosion better than the bare material the barrel is cut from and it does not have a high cost associated with it. While eventually over time it will wear off, hard chrome will outlast bare metal. You sacrifice accuracy for longevity.

Stainless steel barrels are well known for higher velocities and better accuracy because the bore has been cut true into the steel. This cut does not leave any added imperfections so the round has less resistance as it travels down the barrel. This quality does come at a high price. Most stainless steel barrels cost almost twice what a chrome lined barrel cost, which prices them out of the market for most shooters. Also, while they have corrosive resistant properties by nature, they are not completely corrosive resistant and can corrode over time. They are the choice for most high end manufacturers and shooters but they are not a viable option for every shooter.

Adams Arms Advantage:

Our barrels are finished with our proprietary QPQ Melonite process inside and out. Unlike hard chrome and magnesium phosphate, Melonite is a molecular bonding process with the metal. It allows the chemicals to seep down below the surface area of the metal, instead of just adding a top layer. This means that the barrel can be cut to a true rifle bore while maintaining complete corrosion resistance and virtually no wear. It also means that the protection offered is not just a thin layer on top of the material but actually penetrates layers deep ensuring that it does not wear off. Now you have the velocities of a stainless steel true rifle bore with complete protection! You can out last a chrome lined barrel and shoot with the accuracy and efficiency of a stainless steel barrel, all without breaking the bank. Check out velocity testing below.

The SBR velocity data especially stands out. The 7.5" PDW AR is a now viable option for personal and professional defense as well as military units that need a short CQB rifle with an effective range well past 100 meters. We have been getting even higher velocities out of our 11.5" and 14.5" barrels, with the 14.5" averaging close to 3000 fps using military ammo. Our 16" barrels are getting velocities very close to a standard 20" chrome lined AR15 barrel!


Traditionally all barrels are drilled with a straight 90 degree gas port and require a minimum of about 1.5” barrel forward of the gas port. The angled gas port delivers enhanced cycling reliability with a standard gas port hole size as well as increased recoil reduction for improved accuracy potential.

The new “rearward” angled gas port (AGP) means the port is drilled at an angle towards the barrel extension to gain dwell time and gas pressure. This increased dwell time and gas pressure enables superior reliability for a 16" barrel with a soft recoiling rifle length gas system!  

This product was added to our catalog on Friday 19 December, 2014.
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Adams Arms Piston Kit P Series Adjustable Micro Block
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