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LANTAC .308/7.62X51MM “HEAVY” E-BCG

Posted on June 8th, 2016 by ar15news

LANTAC .308/7.62X51MM Enhanced Full Auto Style Bolt Carrier Group NiB Coated

LANTAC E-BCG™, Enhanced Bolt Carrier Group. AR10 Full Auto Style for increased mass and lock time. Our new BCG is precision machined from 8620 Steel with a 9310 Precision Hard Ground, Magnetically Particle Inspected Bolt. The entire carrier assembly is NiB, Electroless Nickel Boron coated with the patented, advanced UCT EXO process, unlike standard NiB coatings. This offers extreme lubricity with a friction coefficient of .02 and surface hardness of 82-85 Rockwell C.

LANTAC 308 EBCG -620

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 308 EBCG 1

The flared boss at the tail of the carrier enhances the BCG’s position within the buffer tube at the time of cycling and allows for a flatter more controlled reciprocation of the assembly. All critical dimensions are hard turned / ground after heat treat.

LANTAC 308 EBCG 1

All E-BCG’s feature the LANTAC CP-R360-H™ 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 weight helps to increase lock time with smoother operation.

LANTAC 308 EBCG 3

Gas keys are properly staked at four points and only grade 8 fasteners are used in assembly.

LANTAC 308 EBCG 3

The E-BCG’s forward porting and unique shape assist in reducing pressurization inside the upper receiver that can be caused by short barrel rifles running suppressors. However, it should be noted that the E-BCG™ is not a complete solution for this issue and all rifles are different. ‘Over Gassed’ guns will suffer to a larger extent from this problem.

Weight 1Lb 2.1oz
Forward Porting, Enlarged Vents.
Balanced flared boss.
8620 Carrier, Heat Treated, Hard Turned.
MPI 9310 Bolt, Hard Turned / Ground.
NiB UCT EXO Coating.
CP-R360-H Domed Cam Pin
Mil-Spec Gas Rings
Mil-Spec Staked Gas Key
Grade 8 Hardened Fasteners
All Hard Chrome surfaces are to MIL-STD-171 1.2.2.2
Lifetime Warranty.
Made in the USA

MSRP $345.00

Pre-Order now direct or through our Dealer/Distributor network

www.lantac-usa.com

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