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ADK Arms - 223/5.56 Bionic Bolt Assembly, MPI
Our Price: $79.00
Sale Price: $45.00
Savings: $34.00

ADK Arms bolts are built to the limits of durability and craftsmanship enduring extreme testing and service in the field. Each part features magnetic particle inspection (MPI) and our high quality nitride QPQ finishing
ADK Arms - 223/5.56 Bolt Carrier Group, Nitride QPQ
Our Price: $129.95
Sale Price: $60.00
Savings: $69.95

ADK Arms tried and true 223/5.56 bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. Our superior nitride QPQ finish ensures long term durability and lubrication. Each BCG features our famous MPI "bionic bolt" which has exceeded 50,000 rounds in full auto, fully suppressed testing without fail.

Friendly Reminder: Always check your head spacing.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.

ADK Arms 458 Bolt Carrier Group, Nitride QPQ
Our Price: $134.99
Sale Price: $65.00
Savings: $69.99

This ADK Arms nitride QPQ bolt carrier group is manufactured to military specification. Gas keys are staked using over 15 tons of pressure gives you piece of mind while cycling. BCG's manufactured under very stringent tolerances held to the same standards as our men and women in uniform.

Friendly Reminder: Always check your head spacing.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.

ADK Arms - 223/5.56 Bolt Carrier Group, Chrome Lined Phosphate
Our Price: $125.95
Sale Price: $95.95
Savings: $30.00

ADK Arms tried and true 223/5.56 bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. Each BCG features our famous MPI "bionic bolt" which has exceeded 50,000 rounds in full auto, fully suppressed testing without fail.

Friendly Reminder: Always check your head spacing.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.

ADK Arms - 223/5.56 Side Charging Bolt Carrier Group, Nitride QPQ
Our Price: $139.99
Sale Price: $105.99
Savings: $34.00
Currently Unavailable

ADK Arms side charging 223/5.56 bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. Our superior nitride QPQ finish ensures long term durability and lubrication. Each BCG features our famous MPI "bionic bolt" which has exceeded 50,000 rounds in full auto, fully suppressed testing without fail.
Handles are removable from both sides, ADK Arms recommends a small amount of Loctite to ensure the handles remain secure while using.

*Handles are included.

Friendly Reminder: Always check your head spacing.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.


ADK Arms - 223/5.56 Bolt Carrier Group, Nickel Boron
Our Price: $139.95
Sale Price: $134.95
Savings: $5.00
Currently Unavailable

ADK Arms tried and true 223/5.56 bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. Nickel Boron finish ensures long term durability and lubrication. This item comes with an extra phosphate extractor.

Friendly Reminder: Always check your head spacing.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.

ADK Arms - 223 / 5.56 Bolt Carrier Group, Tin Coated
ADK Arms - 223/5.56 Bolt Carrier Group, Titanium Nitride Coated
Our Price: $210.00
Sale Price: $155.00
Savings: $55.00
Out of Stock



***As of 11/10/2016 the BOLTS that come with this item have our Nitride QPQ finish instead of the Titanium Nitride (TiN) coated bolts.***

ADK Arms tried and true 223/5.56 bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. Our unique titanium nitride (TiN) finish ensures the best long term durability and lubrication backed up by a luxurious gold hue. Each BCG features our famous MPI "bionic bolt" which has exceeded 50,000 rounds in full auto, fully suppressed testing without fail.

Friendly Reminder: Always check your head spacing.

***SPECIAL NOTE*** This item needs to be maintained with oil/lubricant to keep its finish and prevent corrosion.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.

ADK Arms - 223/5.56 Low Mass Bolt Carrier Group, Nitride QPQ
Our Price: $169.99
Sale Price: $155.99
Savings: $14.00

ADK Arms 223/5.56 low mass bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. Special attention has been paid to reduce mass and weight as well as reduction in friction surface area. This combination creates one of the most advanced low mass carriers on the market.Our superior nitride QPQ finish ensures long term durability and lubrication. Each BCG features our famous MPI "bionic bolt" which has exceeded 50,000 rounds in full auto, fully suppressed testing without fail.
*NOTE: THESE BCG'S ARE LESS FORWARD ASSIST.

0.60 LBS

Friendly Reminder: Always check your head spacing.


Recommended Ammunition:

Never use damaged, bent, corroded, dirty, wet, or oiled ammunition.

You should only use commercial grade ammunition in its original packaging which corresponds with the caliber that is imprinted on the gun.

Do not use refurbished, reloaded, hand-loaded, or non-standard ammunition of a different caliber.