.223/5.56 Bolt Carrier Group - Black Nitride - 516446953
In stock
.223/5.56 Bolt Carrier Group – Black Nitride
The .223/5.56 Black Nitride Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, fatigue strength, and hardenability rating. 9310 steel, when appropriately treated, is about 7% better than Carpenter 158 steel, so you know that you will have a dependable BCG when you drop this into your rifle.
This BCG (Bolt Carrier Group) has been Nitrided to provide a long-lasting experience and a significant upgrade to your AR-15. These BCGs have also been Magnetic Particle Inspected and have been made to Mil-Spec Standards. It also has Mil-Spec 8740 Steel hard-chromed Firing Pins, Mil-Spec Gas Keys with Grade-8 screws that are staked and sealed with Permatex No.3, and they have shot-peened case-hardened D2 tool steel extractors.
NOTE—The Salt Black Nitride BCG offers a dark, subdued finish that doesn’t change the Bolt Carrier’s specs, but it still makes the outside harder. This treatment increases the part’s longevity, makes it extremely wear-resistant and durable, and protects it from corrosion.
Specifications
- Gas system: Direct Impingement
- Caliber: 5.56x45mm NATO/.223 Rem, .300 Blackout
- Finish: Salt Black Nitride
- Bolt: 9310 Alloy Steel (High Hardness)
- Carrier: 8620 Aircraft Grade Steel
- Extractor: Shot Peened and Case Hardened D2 Tool Steel
- Firing Pin: Mil-spec 8740 steel with hard chrome finish
- Gas Key: Mil-Spec w/ properly staked Grade-8 screws & Permatex No. 3 sealed
- Cam Pin: 8620 Steel w/ Black Nitride Finish
- Quality Control: MPI Inspected for QC
| Weight | 11.5 oz |
|---|---|
| Bolt Material | 9310 Steel |
| Finish | Salt Bath Nitride |
| Cartridge Compatibility | .223/5.56 NATO/.300 BLK |
| Carrier Profile | M16 |
| High Pressure Tested | Untested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-15 |
| Bolt Finish | Nitride / Melonite |
| MPN | 516446953 |
| UPC | 999994300 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Michael Nutt –
Quality…
Works fine fit and finish are good
Hammerman –
fit…
Bolt fit in the gun worked well.
Sam England –
GREAT…
GREAT DEAL….this is a great BCG for any price. I have not used it yet. BUY it looks great and for the price, it is a DEAL…I have bought funky looking ones for much more money. if it works as good as it looks, it is a GREAT DEAL
donald richardson –
KAK BCG will not…
i got 3 KAK bcgs after fast shipping from BRD. they all are top shelf in finish, fit and function.lube one up ,slapped one in a new build and worked great.
ROBERT Huke –
Good…
Return customer and again as described and fast shipping even in these trying times.
Bob
Magnum FIREARMS LLC
William Robertson –
Bolt
I haven’t using it but they seem of good Quality. they were a good price
Justin –
I'd give them 10 stars.. ⭐⭐⭐⭐⭐⭐⭐⭐⭐⭐
I’d give Black Rifle 10 stars if I could! They had what I needed for a reasonable price and shipped it out quickly! Also great product for the buck! I will refer Black Rifle to family and friends and of course I will continue to use them! I’m pleased with the overall outcome!
Sally Kulig –
Excellent
Great product delivered timely fashion.
Michael Wagner –
quick service very nice…
quick service very nice item
Allie Cone –
Good…
Pretty much a standard bolt carrier group that works very smoothly. There’s no tightness in the action of the bolt itself. And some bolt carrier groups the bolt is stiff and hard to move by hand this one works very easy
Kris Corona –
KAK (BCG)
KAK makes a lot of great products which I own several of. But must admit I was just a little hesitant about the BCG and after receiving it and using it I must say it is another great product. Thanks black rifle for the sale of a great product and look forward to doing more business with you.
Brandon –
BCG
It looks to be a good value. It has a strong extractor. I haven’t had a chance to use it yet.
Michael Hermann –
Will buy another one in the future!
Great bang for your buck!
Grant W. –
right part right…
even though lately the price of BCG’s has doubled, BRD had them in stock at one of the lowest prices on the web and allowed me to order 2 of them unlike some competitors. they fit and functioned as expected.
Mark Myer –
great…
Just as described. Timely shipping. Happy camper.
Steven Brooksher –
lost
Lost in transit called Nancy said it was my problem and to go to post office myself. When I got it looked used or a blemish bcg will not recommend to anyone
Richard Stahl –
Bcg…
Runs excellent
DJ –
nice…
exactly as it should be. no problems.
Scott Massman –
Bcg
A+++++
Bruce K –
High quality for your…
The bolt carrier group is the heart of your rifle. Use a great one. This is a very high quality BCG that will last a long time.
David –
Specs were…
Bolt did not fit into chamber. I had to do some gunsmithing, fine file work to make it fit into the chamber.
Donna –
Ar 15 Bolt Carrier
Ordered these for my grandson. Didn’t take long at all to get them in. He is well pleased with the quality of them.
William –
Works as expected
Happy with it
James Haschert –
Quality product
Quality product.Fast shipping. I’ll definitely order again
John fox –
Bgc
Great
Donald –
Great product
Awesome product and quick delivery
The Kraken –
Reliable carrier group swap out.
Needed a reliable carrier group to swap out in the event of carbon build up malfunction. Produced flawless cycle rate for 500 + rounds.
Joe Finn –
Bolt and firing pin
Picked this up for a back up, the price was to good to pass on.
Grady –
Review
great product, works great
Wade Konecny –
Bolt carrier group.
Works great. Looks even better. Have never had a problem with it.