Black Rifle Arms Patented 6.5 Grendel Bolt Carrier Group Buffer, NiB Exo Coating with Carrier Buffer System, Enhanced Bolt Carrier, Modified

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ENHANCED BOLT CARRIERS

M16 Enhanced Nitrided Bolt Carrier and Key with Buffer Technology

M16 Enhanced Nitrided Bolt Carrier and Key with Buffer Technology

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M16 Enhanced Nitrided Bolt Carrier and Key with Buffer Technology

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M16 Enhanced Nitrided Bolt Carrier and Key with Buffer Technology

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Part Number: 210324-4

Availability: Out of Stock

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OPTIONAL SPARE BOLT CARRIER BUFFER:

Standard Spare Bolt Carrier Buffer (+$10.00) Oversized Spare Bolt Carrier Buffer - Centers Carrier - Note: Out of Spec Receivers Can Have Binding Issues (+$10.00)

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Description

Product Features

Questions and Answers

Product Specifications

Disclaimers

Black Rifle Arms^® M16/AR15 Enhanced Nitrided Bolt Carrier and Key with Patented Buffer Technology
We Set Out To Improve Upon Existing Bolt Carriers

Full Auto Rated: ✓

Drop-In Ready Direct Impingement Bolt Carrier Group: ✓

Nitrided : ✓

Hard Turned After Heat Treatment to Ensure Proper and Unaltered Tolerances: ✓

Q: Can you confirm that this is for a standard AR15? I See a few different M16/AR15 BCG's on the site and not sure what the differences are. Thanks David Lehner

Asked by: David Lechner - 8/12/2023

A: All the bolt carriers and BCG we list under AR-15 will perform in any Mil-Spec AR-15; however, the BCG are caliber specific and the M16 Enhanced Nitrided Bolt Carrier and Key with Buffer Technology is just the BOLT CARRIER AND KEY and the end user uses their own small parts (bolt assembly, cam pin, firing pin, and retaining pin) to complete the bolt carrier group on their own per their caliber they are building.

Answer provided by: Administrator (8/15/2023)

Q: The Enhanced bolt carrier with the built in buffer technology am I able to run it with in any AR-15 platform with a regular buffer weight like H2 or H3? Such as taking my bcg out & running the enhanced bcg in my LWRC pistol.

Asked by: Marcus - 11/10/2022

A: Yes you can run it in any AR-15 platform with buffer weights from carbine to H3. If your LWRC pistol utilizes a mil-spec BCG then yes you can use our BCG, if your LWRC has a proprietary BCG then no you can't use our BCG. Our bcg is only designed to run with any AR-15 mil-spec rifle.

Answer provided by: Black Rifle Arms Sales Team (11/22/2022)

Questions about this item? Ask here.

Black Rifle Arms^® M16/AR15 Enhanced 6.5 Grendel Nitrided Bolt Carrier Group Patented Buffer Technology
We Set Out To Improve Upon Existing Bolt Carriers

BOLT CARRIER:
BCG Weight: 10.76 oz.
Bolt Carrier Material, 8620
Key Material, 4130
Bolt Carrier - Nitrided
Standard Firing Pin
Bolt body produced from AISI 9310 VAR (Vacuum Arc Remelt), the highest standard bolt material made
Machined completely in one operation; this eliminates tolerance and repeatability issues that arise from the multiple fixturing processes used by other manufacturers
Enhanced Design for utmost reliability
Tightly controlled proprietary heat treat process to accurately control cast depth and core hardness
Extractor produced from MIL-S-5000 steel and vacuum hardened
NSCW Crane Division extractor upgraded with Viton® o-ring, 5 coil spring, and plunger
Cam Pin, Melonite QPQ
Firing Pin Retaining Pin
Standard Size Integrated Polymer Buffer:
Eliminates metal on metal contact
Eliminates contact between the hardened steel carrier, aluminum receiver extension and buffer
Eliminates hardened steel carrier as it transitions between upper and lower receivers
Self-lubricating, shock-absorbing and has seven times the abrasion resistance of carbon steel
Reduction in felt recoil and vibration

Bolt Carrier due to the polymer buffer is not compatible with folding stocks.
JP Silent Capture Spring is not compatible with our bolt carriers. In order to use JP Silent Capture Spring, end-user would need to make modifications to the carrier's integrated buffer.
Armaspec Stealth Recoil Spring is not compatible with our bolt carriers.
Some off-the-shelf rifle cleaning solutions such as Hoppe's #9 can react negatively with NiB finishes. Since our carriers have nickel-based coating these should not be used on NiB/EXO coated products. Always refer to the manufacturer's recommendations before use on NiB/EXO coated products.
Our Select Fire Customers have stated carrier bounce has been eliminated due to the polymer base buffer. We have run select-fire and have not experienced carrier bounce since the introduction of the integrated polymer base buffer.

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M16 Enhanced Nitrided Bolt Carrier and Key with Buffer Technology

Choose Options

Q: Can you confirm that this is for a standard AR15? I See a few different M16/AR15 BCG's on the site and not sure what the differences are. Thanks David Lehner

Q: The Enhanced bolt carrier with the built in buffer technology am I able to run it with in any AR-15 platform with a regular buffer weight like H2 or H3? Such as taking my bcg out & running the enhanced bcg in my LWRC pistol.

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