Description
The Microbest Bolt Carrier Group is a great choice for any build. This drop-in AR-15 BCG features a corrosion resistant hard chrome finish, MIL-SPEC dimensions, and a magnetic particle inspected carpenter 158 steel bolt. Crafted from domestically sourced 8620 steel, the M16 cut carrier includes a gas key fastened by properly staked grade 8 screws. Made in the U.S.A.
Features:
- .233/5.56 NATO
- Hard chrome finish
- M16 cut
- Aircraft quality 8620 steel carrier
- 4130 steel gas key
- Properly staked grade 8 gas key screws
- Carpenter 158 steel bolt
- 4140 steel extractor
- MIL-SPEC O-ring
- MIL-SPEC gas rings
- 4140 steel cam pin
- 8740 steel firing pin with hard chrome finish
- Magnetic particle inspected
- Proudly made in the U.S.A.
Specifications:
Weight: 15 oz
Bolt Material: Carpenter 158 Steel
Cartridge Compatibility: .223/5.56 NATO/.300 BLK
Finish: Chrome
Carrier Profile: M16
High Pressure Tested: Individually HP Tested
Magnetic Particle Inspected: Magnetic Partical Inspected
Platform: AR-15
Bolt Finish: Chrome
UPC 14700
SKU: 14700
Coupons for AR15Discounts store
Comments (11)
PSA doesn’t sell microbest bcgs. PSA makes Toolcraft, and there bolt head is sourced from a third-party
PSA sells their "blems" 87 weeks a year plus 31 days in February ;)
*FWIW, I personally think PSA uses "blem" to do heavy mark downs off their (pretend) sale prices so they do not erode their (pretend) markdowns which rotate on and off, sometimes hourly.
Not exactly sure why but it seems the price is constantly changing? It's $109 on the site and the coupon codes are either no longer able or they've expired. I even tried using the new customer and "sign up for texts" codes and they didn't work. Someone at AR-15 discounts needs to sort this out of remove the ad.
10/26/25 - AR15Discounts didn't post this ad/deal so they don't have control over it. Now that the seller has it "Sale!" priced at $109.95 it is "Excluded from additional discounts", as seen directly below the price on the product page of the seller's website. From what I've observed, all of their "Sale!" items are always excluded from additional discounts, such as coupon codes. Some of their items that don't show that "Sale!" icon/logo/tag are also excluded from additional discounts, such as this Toolcraft Nickel Boron BCG:
https://ar15discounts.com/products/toolcraft-223-5-56-300blk-m16-profile-bolt-carrier-group-nickel-boron/...
They currently have this Toolcraft Black Nitride BCG priced at $99.95:
https://ar15discounts.com/products/toolcraft-223-5-56-300blk-m16-profile-bolt-carrier-group-black-nitride/...
If you use their suggested 12% off code "HALLOWSEVE12" it knocks $11.99 off bringing the price down to $87.96.
If you use the code I posted on 10/10/25 in this thread below, "LTR_7J5CW7GH", it will knock 20% ($19.99) off the Toolcraft BCG bringing the price down to $79.96. At this time, code "LTR_PUNZ6W2X" is also valid for 20% off all of this seller's products that aren't designated as being "Excluded from additional discounts". Keep in-mind that sellers can stop accepting codes and/or exclude items from additional discounts at any time and there isn't anything that any of us can do about it (that I'm aware of). I don't know why a knucklehead down-voted my 10/10/25 post below. It was accurate at the time I posted it, just as this post is accurate at the time of posting. For various reasons, "deals" posted to this website generally are not valid forever. Products go OOS, codes become invalid, sale prices end and the prices will jump much higher ... etc. Several times I've seen some doofus post a comment calling a deal a "SCAM!" just because the sale price shown has ended and they see a higher price on the seller's website. The mods rely on us users to use the "Report Product" function of the website to let them know when a deal is no longer as listed. When reported, they usually get the problem corrected fairly quick, especially on weekdays, it may take them a little longer to get to it on the weekends. I'm gonna report this Microbest BCG deal now. I don't know if they will correct it to reflect the current $109.95 price or just mark the deal as expired. I'll probably mention to them that the $109.95 price is still a decent deal so they might just change/correct the price shown .... but the final decision is totally up to them. I wish more folks would start using the "Report Product" function of this website when they find an inaccurate listing to help the mods keep the listings up-to-date, valid and accurate.
Hey thanks for the coupon code! It saved 20% off my entire order! As long as the items weren't excluded from additional discounts. Anyway saved over $300 so thanks again.
heh heh .... see what I spoke of? I went through the simple "Report Product" process of the website to alert the mod/s on duty of the problem/inaccuracy of this listing and when they learned of it due to my report they edited/fixed it. Easy-peezy. The mods aren't able to to continuously stay on top of and verify the accuracy of every listing on this rather massive website. They can't fix a problem that they are not aware of. Please start using the "Report Product" function of this website when you find an inaccurate listing to help the mods keep the listings up-to-date, valid and accurate.
10/10/25 @ 7:08PM ET - Coupon code "LTR_7J5CW7GH" knocks 20% ($25.99) off the price bringing it down to $103.96
It's back up (again) at 25 mins old and still not fixed. 10/10/25 1:58 PM.
Price didn't even hold for 24hrs. Price is 129.95. Best coupon available is "Oct15off" and brings it down to $110.46. Never saw the price come to $99.95.
Date 10/10/25 11 AM.
PSA sells their "blems" at least twice a year, for $99. They're great duty BCGs. I buy in bulk; waiting may not make sense for you.