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AO Precision Premium Phosphate Bolt Carrier Group - 158 HPT/MPI

AO Precision 158 HPT/MPI Mil-Spec Phosphate Bolt Carrier Group


 
MSRP $149.99
SALE PRICE: $119.99
Savings: $30.00

PRICE WITH SELECTED OPTIONS: $119.99

Stock Status :IN STOCK
Product Code: AOM16-HPT-MPI

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Description
 

AO Precision Premium Mil-Spec Phosphate Bolt Carrier Group - 158 HPT/MPI BCG

These Military surplus 158 Bolt carrier groups are manufactured by AO Precision to the exacting standards of the US Military. AO makes these HPT / MPI BCG's for other Military contractor juggernauts, such as FN America. All bolts are rigorously inspected and are individually High Pressure Tested and then go through a Magnetic Particle Inspection.


Mil Spec Bolt
  • 158 Carpenter Steel
  • Shot Peened
  • High Pressure Tested (HPT)
  • Magnetic Particle Inspected (MPI)


Mil Spec Carrier
  • 8620 Aircraft Grade Steel
  • Full Mass M-16


Mil Spec Extractor
  • 4140 Steel per ASTM A108, cold drawn and stress relieved BHN 187-22
  • Phosphate Finish
  • Extractor Spring
  • Black Extractor Insert
  • Viton O-Ring

Mil Spec Gas Key
  • 4130 Profile Extruded Steel
  • Grade 8 Hardware
  • Properly Staked
  • Chrome Interior

Please note: These BCG's are considered premium because of the materials used and the Military Spec requirements that are adhered to during the manufacturing process. The HPT/metallurgy equipment and processes that these go through are very hard to find and very expensive. These are battle proven (literally), but they may not be as pretty as other BCG's out there.

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 18 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 Looks good! March 22, 2020
Reviewer: Jon from Ohio  
Everything looks good. Staking is good, machining quality is good, chrome lining looks good.

Cleaned it, oiled it and slapped it into one of my rifles. No open gun ranges around due to Wuhan Virus. I will wait patiently.

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  1 of 1 people found the following review helpful:
 
5 of 5 Bolt Worked March 9, 2020
Reviewer: Jack from Texas  
It came a little tight, the bolt would hardly move inside the carrier. After 120 rounds it moves great and i can flick it open now. Didn't fail at all after rocking through the ammo fast. I dig it.

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  0 of 0 people found the following review helpful:
 
5 of 5 Great product February 13, 2020
Reviewer: Brandon Wilson from Deridder, LA United States  
These are the best you can buy at these prices, bar none.

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  2 of 2 people found the following review helpful:
 
5 of 5 Advanced Ordnance parts January 26, 2020
Reviewer: Robert from Florida  
Managed DoD contracts years ago, and had AO as an assignment.  Bolts for M-16s and 20mm bolts for Vulcan gatling guns were made there.  Quality good enough for the Pentagon and for me as well...

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  2 of 3 people found the following review helpful:
 
5 of 5 Right Place November 19, 2019
Reviewer: JustMe from Mont Belvieu, TX United States  
Right To Bear has never failed me nor any product purchased through this veteran owned establishment. The AO carrier group arrived in due hast (on time), as advertised, and as expected. Have not ran the item (a shame I know, been busy) but expect functionality to be a none issue and performance as product specifications have noted. Will continue to come back RTB for the products and the sales are always right on the mark. Thanks RTB!

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