Microbest AR15 5.56 C158 MPI All-Chrome Bolt Carrier Group, Premium

25 reviews Write a Review
MSRP: $199.99
$139.99
You save $60.00
*IN STOCK*
Microbest AR15 5.56 C158 MPI All-Chrome Bolt Carrier Group, Premium
Microbest AR15 5.56 C158 MPI All-Chrome Bolt Carrier Group, Premium
SKU:
MB-BCG-556-CHR-ACP-PREMIUM
MPN:
MBEST-BCG-556-CHR-ACP-PREMIUM
Maximum Purchase:
3 units
Current Stock:

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Description

***In Stock***

 

The Ultimate Hard-Use 5.56 Bolt Carrier Group:

These aren't designed to be pretty. They're not meant to compete with the gorgeous museum-quality $200+ units that other well-respected manufacturers are putting out. But this is not just another component; built to exceed military specifications, our bolt carrier group is designed to be the hard-use always-performing heart of your AR-15. It just happens to look pretty darn good.

 

***These are All-Chrome Except for Phosphate Gas Key and Extractor***

-Phosphate Extractor

-Phosphate Gas Key

-Sprinco 5-coil Extractor Spring and Sprinco Ejector Spring

-OCKS Fasteners, Properly Staked

Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. These are individually High Pressure Tested and then undergo a Magnetic Particle Inspection. We recommend degreasing and lubricating before installation. Ships in OEM packaging.

Features:

All-Chrome M-16 BCG, Phosphate Gas Key and Extractor

Mil Spec Carrier

  • 8620 Tool Steel
  • Full Auto M-16 cut

Mil-Spec Bolt

  • C158 Steel
  • Shot Peened
  • High Pressure Tested (HPT) 
  • Magnetic Particle Inspected (MPI)
  • Chrome Silicon Ejector Spring by Sprinco

Mil Spec Extractor - PHOSPHATE 

  • 4140 Steel
  • Chrome Silicon Extractor Spring by Sprinco
  • Black Extractor Insert

Mil Spec Gas Key - PHOSPHATE

  • 4130 Steel
  • Optimized Carrier Key Screws (OCKS) provided by Michiguns
  • Properly Staked

Weight: 11.6oz

Customer Reviews

25 reviews

  • 5

    Microbest Chrome BCG

    The order was processed and shipped quickly and the packaging was great. While I haven't checked the dimensions of this BCG yet, the quality looks to be excellent. If anything happens to be off (seems unlikely), I'll update this review. It's nice to see ARFTAC carrying real-world products such as this BCG, instead of concentrating on big names.

  • 5

    Premium bcg

    This bcg has features that High end companies use its a premium product extremely well built should last a long time

  • 5

    Fast shipping, great product

    I ordered on a Friday and received the item by Monday. Haven't gotten to use the bcg yet, but it looks great and will definitely be an upgrade to my current bcg.

  • 5

    Microbest all chrome BCG Premium

    Don't be hesitant to purchase anything from this company. Their customer service is always there and stand behind all products they sell 100%

  • 5

    Microbest premium BCG

    Product is flawless, shipping was lightning fast. I have purchased from arftac a couple times now and they have been consistently great. Will continue to buy from them

  • 5

    Microbest chrome bcg

    Fast shipping, BCG looks great, good price!!!

  • 5

    Microbest premium chrome bcg

    Top quality for the BCG! Chrome is perfect, steaking is perfect super smooth and well machined in all the right places ! Now the shipping....not sure what Magic they used , but I placed my order on Friday at 6:05 ct and I received my order on Monday ...in Michigan from Texas....I don't know how you made it ship so fast but perfect safe and well packaged !!! I would give you guys 6 stars if I could

  • 4

    Top Notch

    These BCGs are the best bang for your buck. After trying one out I instantly had to get another one. Only reason I'm not giving it 5 stars is for some reason the 2nd one arrived without forward assist serrations. Not that big of a deal but still. From arftac: Just FYI, those without forward assist serrations were meant for slickside uppers and were not supposed to be sent out so let us know if you want it switched out!

  • 5

    Definition of Quality

    Fast Shipping, superb customer service and high quality product! Compared this BCG to my 3 Colts, JP, and Rainier Arms. It is evident that this Microbest Premium was manufactured with one thing in mind; surpass mil spec requirement. Staking is perfect, machine lines are smooth, fitting and overall finish is incredible. So far initial impression is outstanding. Will provide another update once the build is completed. If you are looking at this BCG, do not hesitate and make the purchase.

  • 5

    Great

    Great service and great product. Headed out this weekend to give her a go.

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