KAK AR15 BCG – Full Chrome Bolt Carrier Group for 5.56 / 300 Blackout
Not Yet Rated | Write the First Review SKU: 222-KAK-425-0505-001
MFG#: 425-0505-001

The AR15 Full Chrome Bolt Carrier Group (BCG) from KAK Industry delivers durability, smooth cycling, and easy cleaning for both 5.56 NATO and 300 Blackout rifles. Built to Mil-Spec standards with a full auto profile, this BCG features a hard chrome finish that resists corrosion and fouling, making it ideal for shooters who demand long-lasting reliability. Whether you’re running suppressed or unsuppressed, this carrier group is a proven upgrade for your AR-15 build.

Key Features

• Full Chrome Finish – Hard chrome coating provides corrosion resistance, reduced fouling, and easier cleaning compared to phosphate

• Caliber Versatility – Designed for 5.56 NATO and 300 Blackout AR-15 platforms

• Full Auto Profile – Machined to M16 spec for maximum strength and reliability

• Precision Machining – Bolt made from 9310 steel, carrier from 8620 steel, extractor from 4140 steel

• Durability – Components are heat-treated, shot-peened, and MPI tested for structural integrity

• Smooth Cycling – Chrome surface reduces friction for consistent operation under heavy use

• In-House Manufacturing – Made by KAK Industry with advanced CNC and robotics for quality control

Why Choose a Chrome AR15 BCG?

Chrome has been trusted in military rifles for decades. A full chrome bolt carrier group offers smoother cycling, longer wear life, and easier maintenance than phosphate or nitride finishes. It also resists corrosion, making it an excellent choice for rifles that see heavy use or are exposed to harsh environments.

Ideal for Suppressed & High-Volume Shooting

The hard chrome surface of this BCG makes cleaning faster and fouling less of an issue, which is especially valuable for shooters who run suppressed setups or push their rifles through extended firing sessions.

Built for Strength & Reliability

This carrier group is made from premium steels, machined to exact tolerances, and subjected to Magnetic Particle Inspection (MPI). The M16 full auto profile adds material where strength is most needed, ensuring dependable performance in any AR-15 rifle.

FAQ

Q: What calibers is this full chrome BCG compatible with?
A: It is designed for both 5.56 NATO and 300 Blackout AR-15 rifles, offering multi-caliber compatibility.

Q: Is this BCG full auto rated?
A: Yes. It is machined to the M16 full auto profile, ensuring added strength and long-term durability.

Q: Why choose chrome over phosphate or nitride?
A: Chrome is smoother, easier to clean, and more corrosion resistant, while phosphate is the traditional Mil-Spec finish and nitride offers a slick black surface.

Q: Is this BCG a good option for suppressed rifles?
A: Yes. The chrome finish resists carbon buildup, making it well-suited for suppressed shooting where fouling is heavier.

Q: Is the bolt MPI tested?
A: Yes. Each bolt is Magnetic Particle Inspected (MPI) to confirm strength and reliability.

Final Thoughts

The AR15 Full Chrome Bolt Carrier Group is the perfect choice for shooters who want a durable, easy-to-maintain, and reliable upgrade for their AR-15. With a hard chrome finish, multi-caliber compatibility, and full auto profile, this BCG offers performance you can count on for years of shooting.

👉 Upgrade to the Full Chrome AR15 BCG today and experience smoother cycling, easier cleaning, and Mil-Spec reliability.