Aero Precision Black Nitride BCG 308
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Should you need an Aero Precision product we don't carry, we recommend going directly to the great folks at Aero Precision.
Aero Precision is a leader in AR parts manufacturing and this Bolt Carrier Group is one of the best!
Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
Finish: Black Nitride - advanced lower friction coating that minimizes the need for lubricants and cleaning
Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked
Firing Pin: Machined from 8740 steel and hard chrome coated
Forward Assist serrations
Laser engraved Aero Precision logo
Carrier fits AR .308 compatible style AR Uppers and Rifles
Material: Case Hardened 9310 Steel
Finish: All bolt components are shot peened and black nitride coated
Extractor: Machined from 4340 Steel with double o-rings and double springs
Magnetic Particle Inspected and High Pressure Tested
High pressure bolt - external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070"
Multi-caliber bolt designed to function with .308, 7.62x51, 6.5 Creedmoor, .338 Federal and other .308 based cartridges.
Also see these popular finishes:
|Bolt||Shot Peened; HPT/MPI|
|Bolt Material||9310 Steel|
|Bolt Finish||Black Nitride|
|Caliber||308 and other compatible|
|Carrier Material||8620 Steel|
|Carrier Finish||Black Nitride|
About Aero Precision
At Aero Precision we're known for two things: superior engineering & machining, and the ability to get the customer what they need, when they need it. Our products have been recognized across the country by members of the military and law enforcement communities for a simple fact - they work better.
Our goal is simple: technical perfection
Aero Precision’s roots are deeply tied to aerospace, and our drive for clean, perfect engineering and machining stems from that. When you’re building something that will fly in the air, there is no margin for error. We take that same approach in the firearms industry. Not every manufacturer will have razor thin tolerance levels. Not every manufacturer will personally oversee the development, design and machining of every part that comes off the line. We’re not every manufacturer.
State of the art in every way
Manufacturing a great receiver isn’t just about what the end product looks like. It’s about what it feels like, how it works, how it handles and performs. To ensure that each and every one of these elements meets the mil-spec standard, we look at the process from which the product was created at a holistic level. We push the boundaries of manufacturing and challenge the status quo by constantly looking for new ways to use, develop or evolve existing processes. By personally designing and engineering state of the science tooling in-shop, we’re able to leverage the latest machine tool technologies to provide you with components of the highest quality.
Our investment, your benefit
Rail guided robotic equipment, new horizontal machining centers with sophisticated monitor devices and hydraulic tooling to ensure consistent loading. These pieces of equipment are standard in our shop and exemplify the dedication we have to investing in our work. We engineer total process control. We have made and continue to make the upfront investment to produce the highest quality components day after day. Are there cheaper ways to build the same product? Sure. Would you as the end user see a difference in the way it works? You better believe it. Better engineering builds better components. It’s just that simple.
OEM Provider - A reputation you can count on
We don’t settle for anything less than perfection. And we don’t say that lightly. As a key manufacturer for many OEM suppliers, we know that it’s not just about the quality of the part we provide, it’s our ability to get the right product out the door at the right time. We’re committed to providing our OEM customers with the exacting attention to detail you’ve come to expect from Aero Precision. We don’t expect anything less. Neither should you. Being an OEM supplier means that we’re putting more than just our reputation on the line, we’re putting yours out there as well. We understand that risk and know what it takes to build a high-quality relationship in addition to a high-quality product. By working closely with you we build a partnership throughout the entirety of the project from design to engineering and final execution. This partnership based on trust, integrity and competence is what gives our customers the end results they want and need.