Black Rifle Arms Patented 5.56 Bolt Carrier Group Buffer, NiB Exo Coating with Carrier Buffer System, Enhanced Bolt Carrier, Modified BCG

M16 5.56x45 Enhanced Bolt Carrier Group with Buffer Technology

Your Price: $194.99

Part Number: 15110923-2

Availability: In Stock

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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Black Rifle Arms^® M16/AR15 Enhanced 5.56x45 Bolt Carrier Group Patented Buffer Technology

We Set Out To Improve Upon Existing Bolt Carriers

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Q: I realize your disclaimer says no folding stocks but was 17 designs folding lower tested? It doesn't require anything to be inserted into the BCG. It’s extension is flat on the end like a buffer.

Asked by: Rob - 1/2/2022

A: We have not tested it, but from the looks of the design it looks like it would work. If you wanted to test the BCG with their lower to see if it's a go we would be happy to hear any feedback regarding compatibility. If it didn't work then we would just ask that you send it back and we would refund your money and waive the restocking fee.

Answer provided by: Administrator (1/3/2022)

Q: What is the difference between this item and the standard M16 enhanced bcg with buffer ?

Asked by: Harold Piskiel - 2/3/2021

A: The difference is this 5.56 Bolt Carrier Group is drop-in ready. The M16 Bolt Carrier would need Bolt Assembly, Firing Pin, Firing Pin Retaining Pin and Cam Pin. Hope this helps.

Answer provided by: Black Rifle Arms Sales Team (2/16/2021)

Q: Will this work in a 300 blackout di upper.

Asked by: Kay - 5/20/2020

A: Yes it will function fine with 5.56 or 300BLK calibers

Answer provided by: Customer Service (5/21/2020)

Q: Is this an anti-tilt design?

Asked by: Joey - 4/27/2020

A: The DI Bolt Carriers come with a standard integrated buffer which helps not only to eliminate metal on metal contact during the transition from upper to lower receivers, but it also buffers the impact between carrier and buffer. However, if one wanted to keep DI Bolt Carrier centered which mitigates tilt one would need to ask for a oversized buffer to install. Oversized buffers have a larger oversize dimension than the standard size polymer buffer.

Answer provided by: Administrator (4/28/2020)

Q: who is manufacturer of this bcg? aero precision?

Asked by: john d - 12/20/2019

A: We are the manufacturer of our bolt carriers. Our found/owner, Charles Cassels, holds the patent on these bolt carriers with buffer.

Answer provided by: Administrator (12/20/2019)

Q: Will this bcg fit ANY AR-15 and why should one purchase a “”spare bolt carrier buffer”? If you’re unsure of its functionality or usability then your company should include one with bcg purchase. Seems like the only right thing to do imo.

Asked by: K. P. - 8/22/2019

A: Our BCG will fit any mil-spec AR-15. As for the spare buffer, it has a lifetime replacement warranty if it were to malfunction/mfg defect, etc; however, customers kept requesting they could buy a spare so if something did happen they would have a spare replacement for backup while we replaced this part under warranty. While we have explained to customers we have never had to replace one they still requested a spare for their spare parts tactical box as a "just in case". Having never replaced one carrier buffer in 10 yrs of selling them indicates a pretty good functionality or usability testing. We have some spare buffers with over 20,000 rounds and they still look new, when designing this polymer buffer we used the best materials for this application and it went through rigorous testing.

Answer provided by: Administrator (8/22/2019)

Q: Sorry if this question has been asked before in FAQ’s. Is the 5.56 bolt carrier group designed for DI or Piston? I have both. Also, I have all that I need in the “group” and I am only interested in the enhanced carrier. Will my parts function properly in this Carrier? And lastly, what will be the cost of the enhanced bolt carrier alone? Thank you.

Asked by: paul - 7/17/2019

A: Our Enhanced Bolt Carriers and Bolt Carrier Groups we sell through our site are for the Direct Impingement gas systems, we do no sell piston carriers as a standalone product. All of our bolt carriers work with mil-spec bolt carrier small parts. If you are looking for just the Bolt Carrier to add your small bolt carrier parts to you should be looking at this product: https://www.blackriflearms.com/M16-Enhanced-Bolt-Carrier-and-Key-with-Buffer-Technology-_p_20.html

Answer provided by: Administrator (7/18/2019)

Q: What type of lubricant would you use on your nickel coated bcg's. I just bought one of your new ones and haven't tried it out yet. Thank's, John

Asked by: john - 2/19/2019

A: Any firearm lube will work, the only warning FailZero/UCT gives for their EXO NiB coating is NO ammonia-based products as it can affect the finish.

Answer provided by: Administrator (2/19/2019)

Q: what modifications would I need to do to use a JP Silent? I have used this set up before on a 7.62x39 and a 5.56 in the past with no issues. Now I see this warning. Thank you,

Asked by: Samuel Jones - 9/17/2017

A: In order to utilize JP Capture Spring with our BCG one would need to mill out the center of the polymer end piece to allow the JP Capture Spring Rod to clear the polymer to enter the bolt carrier.

Answer provided by: Administrator (9/17/2017)

Q: Will this BCG work with gas piston systems?

Asked by: Bill - 3/2/2017

A: NO, these bolt carriers are for direct impingement AR-15 rifles.

If you have a piston system you will need to contact your piston mfg for a replacement bolt carrier as each piston mfg designs their piston to interface with their bolt carrier differently, therefore, gas piston bolt carriers are not interchangeable.

Answer provided by: Administrator (3/2/2017)

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M16 5.56x45 Enhanced Bolt Carrier Group with Buffer Technology

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Q: I realize your disclaimer says no folding stocks but was 17 designs folding lower tested? It doesn't require anything to be inserted into the BCG. It’s extension is flat on the end like a buffer.

Q: What is the difference between this item and the standard M16 enhanced bcg with buffer ?

Q: Will this work in a 300 blackout di upper.

Q: Is this an anti-tilt design?

Q: who is manufacturer of this bcg? aero precision?

Q: Will this bcg fit ANY AR-15 and why should one purchase a “”spare bolt carrier buffer”? If you’re unsure of its functionality or usability then your company should include one with bcg purchase. Seems like the only right thing to do imo.

Q: What type of lubricant would you use on your nickel coated bcg's. I just bought one of your new ones and haven't tried it out yet. Thank's, John

Q: what modifications would I need to do to use a JP Silent? I have used this set up before on a 7.62x39 and a 5.56 in the past with no issues. Now I see this warning. Thank you,

Q: Will this BCG work with gas piston systems?

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