PSA AR-15/5.56 Nickel Boron Bolt Carrier Group - 7791928

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PSA AR-15/5.56 Nickel Boron Bolt Carrier Group - 7791928

TEMPORARILY OUT OF STOCK

Quick Overview

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SKU: 7791928
UPC: 7791928
MFR#: 7791928

Weight: 11.65 oz
Caliber: .223/5.56
Finish: Nickel Boron
Bolt Steel: 9310 Steel

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This 5.56mm Bolt Carrier Group is Nickel Boron coated and features a 9310 shot peened bolt.  The bolt is magnetic partical inspected but is not marked.  The gas key is hardened and secured with Grade 8 fasteners, and is staked per Mil-Spec.

SKU: 7791928
SKU 7791928
Brand Palmetto State Armory
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? Yes
Free Shipping Qty Label N/A
Free Shipping Qty N/A
SKU: 7791928

Questions and Answers

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Browse 21 questions Browse 21 questions and 90 answers
I bought this BCG previously and I had to take it to be staked at a local gunsmith. Are the BCGs visually inspected for light staking before shipping?
Skips on May 7, 2018
BEST ANSWER: If you cannot handle staking a bolt yourself, i don’t think you should have an ar.
WHEN will you have the nickel boron bcg back in stock?
Carlos B on Apr 21, 2018
Is the bolt Chrome plated and is the internal side of the carrier plated Chrome plated????
Is it high pressure tested??
What material is the firing pin made from??
Ronnie G on Apr 12, 2018
BEST ANSWER: Not chrome! Nickel. And they are the only way to go. I use several in long range 800 yd ARs and they never fail. Always keep clean and lubricated and they will last longer than you will!
Is this NiB BCG "M16 cut & full auto rated"?
Larry M on Apr 12, 2018
BEST ANSWER: It is a full auto profile. That's all PSA sells.
Is this HPT?
WWIII on Apr 12, 2018
BEST ANSWER: .........Palmetto: "pretty sure they are HPT" is not a good answer. You can verify if it is HPT or not....."pretty sure" doesn't cut it....
Is this BCG full auto rated?
Larry M on Apr 12, 2018
BEST ANSWER: Yes the carrier is milled as a M16 style so it will work on full auto if you have proper tax stamps and auto FCG.
When do you anticipate these be back in stock?
Tank T on May 29, 2018
BEST ANSWER: who cares?
Will the 556 bolt also work with the 300 bo?
Jayman on May 7, 2018
BEST ANSWER: Well yes it will. The 300BO is a cut down and necked 556 case to accept a 308 projectile.
Does this have the PSA logo? Pics dont show one so i just want to confirm.
Chris N on Jun 16, 2018
BEST ANSWER: I purchased 4 NB BCGs. The NB BCGs I received did not have PSA logos.
Can the nib bcg be polished?
Jay K on Jul 6, 2018
BEST ANSWER: As delivered they are smooth as butter, and just about too shiny. So far they have been very easy to clean with no visible staining. We have run one over 1k rounds on a suppressed AR, still cleans up very well
What is the difference between this one and SKU 516445123?
Sean F on May 22, 2018
BEST ANSWER: i just looked at the the other sku numbers and compared them i really did not see a difference between the sku numbers there really the same bolt carrier. the only thing i can think of is there were ran on different dates or ran on different job numbers so there made them under different sku numbers for dates and/ or job numbers
I know bolt is 9310 steel, what type of steel is the bolt carrier?
Kevin on Aug 8, 2018
BEST ANSWER: standard 8620.
Will this BCG work with a Wylde barrel?
Gary T on Sep 14, 2018
BEST ANSWER: Yes it will function fine.
will this fit ruger 556 ar?
scubabear on Jan 15, 2019
BEST ANSWER: Yes. I threw it in a build for a guy and haven’t heard any complaints
If this BCG is used in any AR in the appropriate caliber should the "Head Spacing" be checked?
Mike R on Sep 15, 2018
BEST ANSWER: only if you are using this BCG on a new upper build but if u are just replacing with another then you dont have to.
Maia ask what type of nickel boron coating You use and what is the difference between The psa nickel boron and the freedom nickel boron and premium nickel boron?????
Patrick T on May 31, 2018
BEST ANSWER: I believe that question is more for Palmetto State Armory to answer if I had an answer morning happy to tell youEnter an answer to this question.
Can this BCG be used in a .224 Valkyrie upper without any hitches? Thanks!
lonestar on May 9, 2018
BEST ANSWER: To answer your question no. The bolt itself needs to be for a 6.8 spc. so the bolt face wouldnt work. Everything else would function great if ur willing to switch bolts.
want to replace bcg on s&w mp15 tactical with this is this correct part?
doug s on Sep 14, 2018
BEST ANSWER: Yes
Smooth as butter
Does this BCG have an O-ring like most others?
StevieD on Sep 13, 2018
BEST ANSWER: O ring where? No O ring under the extractor lever if that's what you mean.
What is the difference between this BCG and the BCG premium?
Ron L on Jun 8, 2018
BEST ANSWER: I have purchased several of each from psa and the only difference I this one is it’s nickel boron coated, I’ve seen some say there MPI but I’ve seen no such marlings on the bcgs
Would this be a good upgrade for my stock SIG M400? (new guy)
Christopher W on Sep 1, 2018
BEST ANSWER: It would be a good upgrade for practically any AR15, including your Sig M400. These are great bcg. But I own a Sig M400 and it is good to go as-is. Your call.

Reviews

4.9 / 5.0
271 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
249
13
7
2
0
First Build BCG
Bought one on sale for my first build. Has about 2k rounds through it. Haven't experienced a single issue.
January 13, 2019
Purchased
7 months ago
Sick product!
The finish on this bcg is really smooth, I applied a very light coating of oil at assembly, fired a couple hundred rounds through it and still has very little or no buildup from firing.
December 30, 2018
Purchased
5 months ago
Nickle Boron BCG
So far so good. Gone thru about 400 rounds on my 300 Blackout rifle.
Also got it on clearance so great deal.
December 29, 2018
Purchased
5 months ago
Excellent BCG for a good price!
Excellent bolt carrier. I love the quality, looks, and feel of it! It has held up to about 2000 rounds so far, no jamming or discharges. It has a much smoother feel when compared to the nitride BCG, which I think will put less wear on the upper!
December 13, 2018
Purchased
8 months ago
Clean bolt
I wish all the uppers came with these they are a clean little bolt.
November 30, 2018
Purchased
10 months ago
OK so far
Bought on clearance. Used at the range 1 time. Ran fine. Easy enough to clean. We'll see how long it lasts.
November 22, 2018
Purchased
4 months ago
Bought as back up
I bought this Bolt as a back up. I have used it to fire 100 rounds as a test drive no problems at all now it stays in my bag just incase i ever need it in a pinch. I will more than likely buy another you never know when u will need a back up for the back up
November 21, 2018
Purchased
10 months ago
Very nice
This BCG works great and is very well made. I have never had a malfunction.
November 19, 2018
Purchased
10 months ago
Worth every nickel boron coated penny!
Opened box....Looked it over under magnifier.....Slipped it in.....SMOOTH as could be! Very Happy
November 16, 2018
Purchased
4 months ago
Excellent bolt group
Outstanding bolt carrier group. I’ll order more.
November 16, 2018
Purchased
4 months ago

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