Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

Build Better With Brownells & Save 15% On $250+ Parts Order w/ Code: BUILDBETTER

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BROWNELLSM16 Phosphate Bolt Carrier Group MP C158

2 Reviews
M16 Phosphate Bolt Carrier Group MP C158
Brownells #
078000250
MFR #
M16 BOLT CARRIER GROUP MP MIL-
UPC
050806110977
$129.99
Coupon Code BUILDBETTER

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Specifications
Finish:
Phosphate
Carrier Type:
M16
Color:
Black
Cartridge:
223 Remington,5.56x45 NATO,300 AAC Blackout
Make Model Fit:
AR-15.Universal
Material:
Carpenter 158
Restriction
Restricted Part:
Yes
Can we ship this to you? (US only)
Description

Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

Guaranteed. Forever.®

We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

  • Firearms
  • Ammunition
  • Modified 80% frames & receivers 
  • Gun powder
  • Primers
  • Liquids
  • Limited Quantity/Hazardous items
  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

Complete M16 Bolt Carrier Group:

  • Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin
  • Every Bolt is Magnetic Particle Inspected (MPI)
  • The Bolt is machined from Carpenter 158 steel
  • Following machining, the Bolt is heat treated and shot peened
  • Installed extractor includes red o-ring with spring
  • M16 Bolt Carrier is machined from 8620 steel and hardened
  • Interior of Bolt Carrier Carrier Key & Bolt Carrier are chrome lined on the M16 Phosphate Bolt Carrier Group only
  • M16 Bolt Carrier will function in semi-auto or full-auto AR-15/M16
  • Gas Key Screws are properly torqued and staked
  • Bolt and Bolt Carrier feature a matte black mil-spec finish


SPECS: Bolt – Carpenter 158 steel, Magnetic Particle Inspected. Carrier – 8620 hardened steel, M16. Matte black phosphate finish.

Restricted Part
Please check with your state regulations for ownership of Restricted Parts. May require documentation.

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    Choosing a Brownells Featured Dealer is the fastest and easiest way to complete your purchase. Brownells Featured Dealers have agreed to perform FFL transfers on guns purchased online from Brownells. We have their necessary FFL information on file and your FFL order will ship directly to them once processed.

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M16 MIL-SPEC MP BOLT CARRIER GROUP Reviews
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2 Reviews
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2 Reviews
August 17, 2021
M16 Phosphate Bolt Carrier Group MP C158
The staking was well done....The carrier group works like a champ... didn't need to make any adjustments.I'm going to get another one for another rifle of mine.
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Verified Purchase
October 04, 2024
Weak staking
My key staking was both weak and off center of the screw head.MP marking on bolt is laser etched.In hindsight, I should have just bought a Microbest brand carrier.
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