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Now Available – LANTAC E-BCG (Enhanced Bolt Carrier Group)

Posted on December 5th, 2014 by ar15news

The new LANTAC E-BCG is now available for purchase. Don’t confuse this with any old BCG. If you want a seriously no-corners-cut BCG for that dream rifle you just built, then you need to check this thing out. They have basically tuned every part of this BCG that could improve function and reliability. It even features forward angled gas ports which are enlarged to help reduce the “gas in the face” issue most people experience when shooting suppressed. Check out the pics and details below. 

LANTAC E-BCG Pre Order 1

M16 Full Auto Style for increased mass and lock time. Our new BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle Inspected. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UTC EXO process, unlike standard NiB coatings. This offers extreme lubricity with a friction coefficent of .04 and surface hardness of 68-72 Rockwell C.

The carriers patent pending design features unique shrouded and forward facing gas ports that have also been re sized so that gas is vented differently to a standard carrier. This results in a system that runs flatter with a smoother energy pulse. In addition the system also runs cooler and cleaner, there is also less pressurization of the upper receiver when running a suppressed barrel.

LANTAC E-BCG Pre Order 2 copy

The flared boss at the tail of the carrier enhances the BCG’s lock position within the upper and makes it more consistent, resulting in an accuracy improvement. All critical dimensions are hard turned / ground after heat treat and the bore of the carrier and gas key have been hard chrome lined for the best possible wear resistance.

LANTAC E-BCG Pre Order 3 copy

All E-BCG’s feature the LANTAC CP-R360 patent pending domed cam pin that is machined from 17-4PH Stainless Steel and hardened to H900 condition (45RC approx). The ultra smooth head reduces wear within the upper receiver. The BCG’s 11.7oz weight helps to increase lock time and smoother operation. Gas keys are properly staked at four points and only grade 8 fasteners are used in assembly.

LANTAC E-BCG Pre Order 5 copy

LANTAC E-BCG Pre Order 4 copy

–  Weight 11.7oz
–  Forward Porting, enlarged vents.
–  Balanced flared boss.
–  8620 Carrier, Heat Treated, Hard Turned, Chrome Lined
–  MPI Carpenter 158 Bolt, Shot Peened, Hard Turned / Ground.
–  NiB UTC EXO Coating.
–  CP-R360 Domed Cam Pin
–  All Hard Chrome surfaces are to MIL-STD-171
–  Shot Peening is conducted with S110 shot, Established by Almen Gage A-2 strip .006 -.008
–  Lifetime Warranty.
–  Made in the USA.
–  MSRP: $285

Mil/LE Discount available, please contact us for your discount code.

Get your LANTAC E-BCG now at

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