The Noveske Rifleworks 5.56 M16 Bolt Carrier Group is a great option for building an AR-15 with reliability and ease of maintenance in mind. This BCG features the popular black Nitriding finish process that utilizes thermal chemical diffusion of Nitrogen and Carbon into the surface of the metal to physically change the properties. This process increases wear resistance, strength, corrosion resistance, and lubricity. Unlike the porous metal typical with phosphating, this surface is extremely smooth to prevent any kind of carbon buildup allowing for a smooth functioning rifle that doesn’t need to be oiled as much and can be wiped clean with a rag. Build a high-performance AR-15 today with the Noveske Bolt Carrier Group.

- M16 profile
- Full auto rated
- MPI and HPT
- Black Nitride finished
- 8620 Steel carrier
- Carpenter 158 steel bolt
- 9310 steel extractor and cam pin
- Compatible with 5.56, .223, and .300 BLK

Every component of this Nitride bolt carrier group needs to be made from materials suited for its role. The carrier needs to withstand high amounts of friction, so it was made from 8620 steel because it is more easily polished and machinable while still being extremely strong. The Bolt face needs to withstand high pressures, so it is made from Carpenter 158 steel which is able to be hardened much more to prevent cracking. This type of steel is commonly used for industrial cutting tools. The cam pin and extractor are made from 9310 steel because this steel has a high fatigue strength, which is the highest stress a material can withstand for a certain amount of cycles. As you can imagine, these parts are constantly put under this kind of stress and need to survive thousands of rounds. All of these components are why the Noveske M16 BCG is one of the best for long term function.

Founded in 2001, Noveske Rifleworks is best known for producing military and competition grade barrels, AR-15 rifles, and components. Noveske is dedicated to providing AR-15 rifle platforms, billet receivers, and handguards in a variety of different calibers and configurations. They focus on the details of each and every part to ensure that it functions correctly and is made to the highest standards.

Bolt Finish: Salt Bath Nitride
Bolt Material: Carpenter 158 Steel
Brand: Noveske Rifleworks
Caliber Gauge: 5.56 NATO / .300 BLK
Carrier Finish: Salt Bath Nitride
Carrier Material: 8620 Carpenter Steel
Carrier Style: M16 Bolt Carrier
High Pressure Tested: High Pressure Tested
Magnetic Particle Inspect: Magnetic Particle Inspected
Platform: AR-15
MPN#: 05000356

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