anything extra and your Expensive especially since you will probably have to send yours in to be refinished. . They are a top manufacturer of complete rifles, carbines and pistols in their newer Super Duty line. It is an electroless nickel-based finish for steel, stainless steel and aluminum alloys that co-deposits sub-micron particles of PTFE (polytetrafluoroethylene), otherwise known as Teflon, with electroless nickel. 6 Reviews. , AR-15 Pistol vs Rifle: Which Should You Choose? The Best Black BCG Finish - Phosphate vs Nitride vs DLC. Add to Wish List Add . Mil spec is a >minimum<. Sale Price: $169.95 . We cover the best-in-class bolt carrier groups for mil-spec, low-mass, slick coatings, exotic materials, and more. This is the battle of the silver finishes. Combine this with the fact that a titanium BCG is very expensive and it's hard to call it the "best". It's a difficult finish to apply and as a result it is one of the more expensive finishes. In the back of your mind, youll know its not mil-specbut its about half the price of the BCM. johhny B and his boys standing on the corner sucking that corporate dick again. Thanks Mike, I've actually never heard of them! FailZero. M16 Bolt Carrier Group 5.56 - Chameleon PVD . Either will get the job done. I bought a LH bolt carrier group from Stag with their Nickel Boron finish. Nickel-Boron +12. M16 Bolt Carrier GroupBillet Extractor, 5.56, Chameleon (2 reviews) Write a Review $129.95 SKU: 2009-0713-001 Quantity: Description Reviews White Label's house made M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. Save a little with their Nitridebut might as well go big or go home. And they are actually the cheapest in the whole article. For these reasons, it is a very popular AR-15 BCG finish. Each one of them have their place whether it be light weight for competition ARs or ones that work better for silencer use. For the traditionalist, a phosphate BCG has a texture that just feels right. With a reputation for absorbing punishing treatment, I put this one to the test. Free shipping on orders of $199+ |Use Code: SITESHIP | Restrictions apply, Offer ends 3/5/2023. You can cut a few ounces off by using a low-mass bolt carrier. The lugs on the bolt semi angled cut sloping down toward the muzzle end. I find the Cryptic Coating BCG to be slickest and easiest to clean of them all. Exactly. The primary advantage of this is to reduce recoil. you a link to reset your password. We carry high-quality products and back them with the industry's strongest guarantee. And you never know if a batch is 10 or 1000 BCGs. That Nickel Boron finish is MIL-SPEC on some Army mortar tube components. , What is the MAG Qual? The bolt carrier is machined from 8620 carbon steel. Machined from 8620 Tool Steel (Carrier) and 158 Carpenter Steel (Bolt) Shrouded firing pin. I have ADM,AAC,PSApremium,and Colt bcgs.I firmly believe that tha Colt bcg is the best of the milspec bcgs.Until I see proof of long term high round count reliability of the boutique bcgs Im sticking with Colt.Bcm and the filthy 14 have shown reliability after many thousands of rounds. Here are some of our favorites. Add to Cart. A little expensive but my AR's run so smooth!! If you are looking for the perfect AR bolt carrier group for sale, Omaha Outdoors carries the 9mm, AR-10/AR-15 BCG and much more for low online prices! The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and increased reliability. 5.56/300 Blk or 6.8 SPC Nickel Boron Bolt Carrier Group $150.00 - $160.00 Choose Options AR-15/AR-10 Gas Key Screws $3.00 Add to Cart AR-15 Firing Pin Retaining Pin $2.50 Add to Cart AR-10 Nickel Boron Bolt Carrier Group $240.00 Add to Cart AR-15 Firing Pin $8.00 Add to Cart AR-15/M16 Extractor Spring $2.00 Add to Cart AR-15 Extractor Buffer $2.00 Nickel-Teflon +1. Our return policy is simple, if youre not 100% satisfied with your purchase send it back within 30 days for a no-questions-asked refund. Our Price: $199.00. Lantac is very high quality, tough as hell, and highly sought after. If you buy a product from us and decide to return it, well take it back at any time with very few exceptions. Click for Details. Their bolt uses 9310 steel but againit is likely never going to matter. BCM M16 Mil-Spec Bolt Carrier Group. Faxon Chameleon AR-15 Complete Bolt Carrier Group If you want your AR-15 rifle to perform at the highest level then look no further than this Faxon Chameleon AR-15 5.56 NATO Complete Bolt Carrier Group. Spikes Tactical - M16 5.56 Nickel Boron Bolt Carrier Group. I had to go through several different BCGs along with several different manufacturers to find one that cycled correctly in my 45 Raptor. My understanding is they are OEM for BCM BCGs. This BCG is a giant leap in the area of durability and reliability. Does not mean its the minimum or maximum. Though, this is a relatively new phenomenon and some people prefer the tried-and-true 8620 and Carpenter 158 combination. For over 75 years, shooters, professional gunsmiths, hobbyists, military/law enforcement armorers, hunters, and gun tinkerers have turned to Brownells for high-quality guns, gun parts, ammunition, and more. And I say this because it's alot stronger of a steel and lighter, so ad a DLC coating and I don't understand how it doesn't automatically win? 5.56 Bolt Spikes HPT/MPI Bolt Assembly - Phosphate $ 89.95. ETC.. Give me that Sharp's all day long. Above: Colt BCG refinished with matte chrome finish and nickel boron gas key. NP3 is a proprietary finish offered by Robar Inc. Sale! Smooth cycling and is easy-to-clean by simply wiping it down. $199.00. Sale Price: $179.95 . One of my favorite uppers and full rifle manufacturers is Aero Precision (review of their M4E1 5.56 upper). Is this the Young Manufacturing that doesn't know how to stake their gas keys? GUARANTEED. I've heard lots of good things about Radian and it sounds like you're a fan as well? An awesome AR-15 needs a great bolt carrier group (BCG). And theres their Titanium BCG for 5.56/.300 BLK. I cringe every time, then pull out my handy dandy gauges and prepare to give a lecture. Mil-Spec generally means the rifle is built to pass military specifications. All laws subject to our interpretation and are arbitrarily drafted no matter what they actually say. Thanks for sharing. But with one of Cryptic Coating BCGs you dont have to run them dripping wet which is a definite plus when running suppressed. Ionbond Black DLC will not chip, crack or peel, providing you with years of reliable function and protection against wear. The whole BCG is completed with a nickel-boron coating. Of all AR15 parts, the bolt carrier group is without a doubt the most critical component for proper functioning. AR Uppers & Lowers, Rifle Accessories, Mil-Spec Parts | Aero Precision 15k rounds and counting on my carbine. The Sharps 308 Balanced Bolt Carrier Group Complete has the same innovative design as the Sharps 5.56 Balanced Bolt Carrier Group. Full auto bolt carriers are essential if you run a fostech echo trigger. Do check them out. But now you have aggressive weight-reducing cuts like with the Faxon Lightweight BCG. Can you provide some input? Firearms instructor John Farnam has NP3 applied to not only the BCG but also the inside of the upper and lower receivers of his custom FSM4 AR15s. Had never heard of them. , The latest and greatest Ruger 22LR pistol is here! This group also features a stainless steel gas inlet tube that's pressed and pinned into the solid gas key. It also has high corrosion resistance as well as a natural lubricity. White Labels parent company, Outerwild produces our M16 BCG which is trusted by seasoned shooters a, White Label's house made M16 Bolt Carrier Group is the perfect BCG for your next build and is compat, SP4 Extreme Wear Coating Technology is here! I used Toolcraft nitride bcgs for my last 2 builds and have been more than happy with them. Using our fully automated robotically, White Label Armory's in-house machined AR15 billet upper receivers are the perfect complement to our, The AR15 Ambidextrous charging handle made by Brace Built begins with the design, program, machining. All ACME BCG parts are of the highest quality and 100% made in America. And of courseBrownells has entered the game with their version of the Titanium BCG. All components are coated with nickel boron to minimize friction and enhance performance. Blem PVD Rainbow m16 bcg Chameleon bolt carrier group $ 159.99 $ 119.99-24%. Advanced . You do not pay The chances of that mattering for an average shooter that puts even a few thousand rounds downrange a year is super slim. Features: .223/5.56 NATO Nickel boron finish M16 cut 9310 steel carrier Carpenter 158 steel bolt Go with a lightweight BCG. I AM WITH THE AMERICANS WHO POLICE AND PUNISH THE BATFE THIS IS OUR ONLY CONCERN. The bolt carrier group (BCG) is without a doubt the hardest working component inside an AR15. Please email johnd@spikestactical.com or call 407.928.2666 to acquire a Return Merchandise Authorization Number (RMA.) Popular seach, Category Been throw 4 barrels, but the BCG looks near new. The bolt itself is standard Colt milspec. Toolcraft Phosphate Bolt Carrier Group (SpiceTac), Toolcraft is an OEM provider of BCGs to many firearms manufacturers. Above: Toolcraft BCG with Manganese Phosphate finish. . Give it a rating below. We also have a whole guide just for choosing a lightweight bolt carrier group,so be sure to check that out if you want to know more. Toolcraft is an OEM provider of BCGs to AR15 manufacturers. Its great NiB will run fine with a small amount of lube I recommend using normal amount of lube. Wilson Combat DPMS LR-308 Complete Bolt Carrier Gr. Nope, SA and FA BCGs have the same dimensions and will fit in any standard AR-15 upper! This clown not mentioning it, and then listing 10 absolute pieces of trash is embarrassing for a tactical website. While Nickel Boron (NiB) is silver and shiny. Check out Rainier Arms Nitride BCG which meets or exceeds mil-spec. This was at the direction of Eugene Stoner, the designer of the AR-15. . It's bes towards your level. The carrier itself is a very low wear part, the only part that really takes any wear is the cam path itself and that isn't enough to become a problem very often. Above: Toolcraft BCG with Diamond DLC finish. Want to go lightweight for competitive shooting? Standardizing military equipment dates back centuries. Personalize your experience. If I want a black finish and I have the money, DLC all day long. In fact, chrome BCGs are somewhat difficult to find today, but worth it if you can find one. Odin works have been perfect in one of my grendels. For views of different finishes see our Toolcraft Gallery. From my perspective, however, 9310 is an excellent option and is objectively stronger than 8620 and Carpenter 158 steel. IMO, A bcg i purchased a while back that have had zero issues with is sharps rifle co with its reliabolt. I have an old Colt AR15 semi-auto BCG. All Colt makes these days are the extractors, The pony is a mere shadow of once greatness.. Are the Phosphate bolts stronger than both NiB & TiN? Properly manufactured BCGs with a phosphate finish will still have a chrome lining inside the gas key and inside the carrier where the gas rings ride. Thanks guys! Type your email address and well send FEATURES. Since LMT says the only BCG that works is theirs, I would go with what they say. Either way i got it it's been great and they have been making them for years now. RISE Armament Nickel Boron Bolt Carrier Group for AR-15 Price: $179.00 See Product Details Increase the smoothness of your shots with this RISE Armament BCG. Its pretty cool to see they are still around innovating products like their Xtreme Performance Bolt Carrier Group. And easier to clean. Any suggestions? I just had a meeting talking about how few manufacturers there are for BCG's. PewPew, itd be great if you could do an article about headspace, its importance, and how to check it. Above: AR-15 BCGs with Nickel Boron finish by Fail Zero (Top) and Toolcraft (Bottom). Any reduction in recoil and firearm movement, in general, helps you stay on or get back on target as you fire. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. For specific comparisons of black finishes (Phosphate vs Nitride vs DLC ) see here The Best Black BCG Finish - Phosphate vs Nitride vs DLC. With an ultra-low co-efficient of friction, the Nickel Boron Bolt Carrier Group offers users a high resistance to wear and tear as well as corrosion resistance. During its creation, each one is thermal-cycled before being treated with a diamond-like coating. Meticulous machining and a BLUE PVD finish by Io, Saltwater Arms M16 Nickel Boron Bolt Carrier Group is the perfect BCG for your next build. Get Our Top Shooting Drills and Zeroing Targets ($47 value - but FREE for a limited time). WE HAVE ARBITRARILY DRAFTED DOCTRINE AS WELL WHICH STATES AS FOLLOWS TO STOP THEIR FUN: Ive shot many thousands of rounds through it and it still looks newnot even that many wear marks on the touchpoints. The bolt carrier group is machined from the toughest steel and topped off with an impenetrable layer of nickel boron. Hmmmseems you left out an industry leader who actually makes BCGs and not rebrand someone else's. . And has worked out great in my Faxon builds (Faxon Barrel Review). Or you are doing a retro build, which I can appreciate! Category suggestion. &n Disassemble it completely, inspect, clean and lube it as you would a standard phosphate carrier group. $199.00 $169.00. Ive helped others and watch a lot of gun Jesus for entertainment mostly but my experience with metal fabrication really grew when I tried to make a machine gun in my garage in my spare time. Not so sure the absorption of the recoil energy, which is a fixed value of the design of the gas system, would equal less felt recoil just by changing to a lighter mass of the BCG without addressing all the other components, gas block, recoil spring tension, and buffer mass. Buy PSA m16 full auto nickel boron bolt carrier group: GunBroker is the largest seller of AR15 Parts Gun Parts All: 973044689. Both of these finishes are far ahead of phosphate as far as slickness and ease of clean up are concerned. Posted: 8/8/2017 3:54:01 PM EDT. And now with different coatings. So far I can definitely feel the recoil difference between the different settings. I like bcg from Daniel defense and spikes tactical. It is also smooth and slick which makes for smooth operation and easier cleaning. What finish you select becomes pretty much a matter of personal preference. If you havent tried the Black Rain BCG, you are missing out on the smoothest running BCG on the market today. So if you don't mind cleaning your current and the recoil isn't a big deal, what other reason is there to change? The roughness of the phosphate finish wears down to become a smooth surface on the high wear points like the carrier rails. What brand is the full auto in the comparison that you did? , An important part of owning an AR-15 rifle is being able to regularly clean your gun and m Since the typical AR platform uses a direct gas impingement design, the bolt group is in contact with carbon-laden gas with every shot. Click below for a FREE LESSON! Designed for use with all 5.56-NATO-based cartridge cases. Toolcraft Titanium Nitride BCG (SpiceTac), Above: This Bravo Company (BCM) BCG has been refinished with NP3+ by Robar. BCM has earned an excellent reputation and their BCGs are top of the line. , What's the best handgun for a beginner? This BCG will meet your performance standards and value. . Radically improves the performance of your AR15/M16 and eliminates the need to apply oil or grease to treated parts for the life of the weapon. JoeBob dun saved you $5.05! But my question is how is a Titanium one not the best choice easily? FailZero EXO Nickel Boron M16 / M4 5.56 Bolt Carrier Group I just purchased a nitride (sometimes referred to as Melonite) finished BCG. A chrome BCG will be significantly more difficult to find and more expensive when you do find one. Rifleman Q & A, Nickel boron (NiB) bolt carrier groups, NiB-coated AR-15 BCG Latest More The Model Of 1903 Springfield: A Collector's Perspective The "U.S. Rifle, Caliber .30, Model of. Whats your take on the BCM? Bolt Carrier Group- Nickel Boron SKU: ST5BG03 $ 225.00 Add to cart Shipping & Returns Return Authorization is required for all returned merchandise. -55% Blue chameleon PVD m16 Ar15 Bolt Carrier Group BCG 1 review $ 329.42 $ 149.12 -48% Nickel Boron EXO M16 / Ar15 Full Auto Bolt Carrier Group $ 304.22 $ 159.00 -50% Left Hand Nickel Boron BCG M16 / Ar15 Bolt Carrier Group $ 299.00 $ 149.00 -25% Blem PVD Rainbow m16 bcg Chameleon bolt carrier group 1 review $ 159.99 $ 119.99 -34% A lightweight BCG is designed for a tuned rifle and a builder whos willing to toss an adjustable gas block on and really tune the gun system. Their mil-spec phosphate BCGs are a little bumpy but they work. The enti.. The bolt is the forward-most part of an AR BCG. This tube has been designed to allow ample clearance for the removal of the roller cam pin during maintenance. It's a good option, for some people, but it's not a great option for a lot of people. The heavier standard BCGs are better suited to running any kind of ammo through any kind of gas system. Nitride has many advantages but it is not mil-spec for BCGs and that is an important consideration for some. There's a vast number of finishes available for AR-15 bolt carrier groups (BCGs) today. The original, mil-spec BCG! Sharps Rifle Co. Xtreme Performance BCG (DLC). FFL orders are delayed 7-8 business days from receipt of FFL license. With that comes a Gucci price though. This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. "Mil Spec"; A specification that sets the lowest quality the government will accept. As someone who's tactically thrifty, I've only used Toolcraft BCGs in my builds(*), and have never had a problem. To enter the lightweight BCG gamestart with the Brownells Steel Lightweight. Nickel Boron 5.56 Bolt Carrier Group (BCG) Was: $165.00 Sale: $139.99 Minimum Purchase: 1 unit Shipping: Free Shipping Current Stock: Quantity: Add to Wish List Overview Product Description Nickel Boron 5.56 Bolt Carrier Group (BCG)- FREE SHIPPING! Fabulous company and pricing too. Awesome BCG at a reasonable price. Phosphate would be my last choice but if I am feeling nostalgic then it's the only choice. LMT Enhanced Bolt Carrier and Bolt! Chrome is a timeless classic and you really don't need a reason to choose it. But if mil-spec is the name of the gameget the BCM. THE BATFE MUST DO, SAY PLEASE WITHOUT EYE CONTACT THEN MUST BE PLACED ONTO THY POLE THICC AND LONG WITH BARE UN LUBBED RECTUM UNTIL TEARING OR BURSTING SOUND IS AUDIBLE ETC AND THESE ARE SUBJECT TO OUR INTERPRETATION AS ALWAYS NO MATTER WHAT THEY SAY HERE IN BECAUSE WE SAY SO TOO BAD NOW BE GOOD GOV WORKING INDENTURED SERVANTS WHO CRAVE PENIS, SPERM AND ANY FORM OF VIOLENT HOMOSEXUAL INTERCOURSE BECAUSE ITS JUST HOW THEY DO SINCE INCEPTION SO YEAH. Enable Accessibility. : Some of the products on this website can expose you to chemicals including lead, which is known by the State of California to cause cancer and birth defects or other reproductive harm. My pick if you want to go with the best-known name in the NiB BCG game. The semi-auto ones have an extra cut that takes out some mass. For a super tough and reliable BCG, look no further than the XPB. White Labels house made M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. See our Toolcraft DLC BCG review here: Toolcraft Diamond DLC BCG - The Best BCG Ever Made? Nickel Boron (NiB) used to go for a lot more in price but now theyve stabilized at around the BCM pricepoint. * One is actually a BA BCG, but it's really a re-branded Aero BCG, which in this particular case is really a Toolcraft BCG. Out of stock. are known for less felt recoil, so why would that not translate to the AR platform when talking about the BCG mass? Nickel boron acts as a lubricant to reduce surface contact. Well cover some of the choices and then our favorites for different purposes (and budgets)from mil-spec to competition and even some builds just for looks. Finish: Nickel Boron Additional Features: Full Auto M-16 , Holes for Reduced Weight Weight: 10.5 oz Code: 2A8-BCG-STBCGSP-ST5BG05 MPN: ST5BG05 UPC: 855319005518 Free Two Day Shipping $250.00 Save 10% $225.00 Free shipping* & free returns* Expert AdviceRFQPrice Match Add to Wishlist Product Info for Spikes Tactical M16 Bolt Carrier Group This. The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and increased reliability. The XPB has a patented Relia-Bolt and is machined out of S7 tool steel. beta boy will always lick the biggest shaft long as they pay his fary white tennessee ass.. Anickel boron bolt carrier group will have greater lubricity and corrosion resistance than both chrome and nitride BCGs. Spikes Tactical has been a staple in the AR-15 market for years. Our Low Price $325.41 . Bravo Company Manufacturing (BCM) M16 BCG Let's just start with our editor's pick for a branded mil-spec BCG. *Coloration can vary greatly from BCG to BCG due to the manufacturing process. Weve got a dedicated section for the AR-15 here. Im still testing this one out but it might be a good substitute for the RCA one at some decent savings. Plus, how many of this list are made by the same REAL manufacturer? Notify me of follow-up comments by email. If it is and you want to spend the money and you like the color, well then it just might be a Nickel Boron kind of a day for you! And more exotic stuff like Titanium Nitride (TiN) is gold and pretty. Type your new password and hit button below to confirm it. I of course went with their Titanium Nitride (TiN). Since the bolt carrier group is shot backward towards the shooter the weight of it affects recoil. Learn the 3 most popular shooting stances & more. Looks great under our PREMIUM Handguards now Buy 1, Get 1 FREE! Main lessonget a full-auto weighted BCG if reliability is a concern. Free Shipping on orders of $199+ |Use Code: SITESHIP | Restrictions apply, Offer ends 3/5/2023. Additionally I would recommend other bolt materials like the sharps that's made out of s7 tool steel, or JP enterprises who makes amazing products like a variable mass carrier, and enhanced bolt that has a different lug cut to ease lock, strengthened cam pin hole, and low friction ring seals to reduce wear. See our review here: Toolcraft is an OEM provider of BCGs to AR15 manufacturers. Well done sirs. I may earn a small part of the sale from links to any products or services on this site. Call Colt firearms directly and order from them. But dont worry, weve got our list of our go-to BCGs. Lantac E-BCG. Learn all the important stuff about handgunswith none of the attitude. If you go chrome it will probably be for the color and the uniqueness of the finish. The nitride finish on the carrier and bolt provides added corrosion resistance, making it a great . Shop our vast selection and save! Heavier revolvers (e.g, stainless vs. titanium) have less felt recoil, heavier semi-auto pistols (stainless slide vs. aluminum etc.) See our Toolcraft DLC BCG review here: For specific comparisons of black finishes (Phosphate vs Nitride vs DLC ) see here. In Stock. Quick view. (no automatic penis or mouthfuls of jizz for BATFE) , Best AR15 BCG Finishes - Pros Cons and Recommendations, There's a vast number of finishes available for AR-15. In Stock. If you're looking for the best bolt carrier group for sale, you need to shop with Surplus Ammo. In fact, there's a lot of premium, match-grade equipment for AR-15s that are much better quality than mil-spec parts. The DLC was chosen for high wear resistance and a low coefficient of friction. It is an extremely tough, corrosion proof coating, with excellent low-friction properties. But youre here for BCGs. Total weight is 7.87 oz which isnt that much less than the other steel-cut lightweightsbut I like having the complete full-auto form factor. Select what level shooter you are! Not sure how he failed to include Toolcraft. Let me remind you that a quality Ar will run very dirty as long as it's wet. Because nitrided bolt carrier groups do not require chrome lining of the gas key or inner areas of the bolt carrier, manufacturing costs are reduced. Your Magnetic Particle Inspection image of a bolt is actually a Liquid Penetrant Inspection image. Nickel Boron Coating inside and out (Bolt, Carrier, and Gas Key) Forged Mil-Spec gas key attached with Grade 8 hardware and Properly staked. I have yet to find a source except for some sketchy surplus sellers. I also agree with a lot of others here that cryptic coatings should be considered, they are the slickest bcgs I've ever used with the lowest friction on the market. They have made a lot of changes to BCGs as a whole and really know their stuff. The LMT BCG is the best on the market. Custom Deal BCG & Charging Handle Combos Strike Industries Charging Handle with Extended Latch - FDE + Rise Armament Bolt Carrier Group, .223/5.56, Nickel Boron Finish. WMD Guns' proprietary NiB-X nickel boron coating for BCGs delivers a finish over 40% harder than chrome and with a 30% longer life span even in a rifle bore. We only email about once per week and we do our best to make sure they're worth your while. You may want to look into Barnes Precision Machine next time. Meets milspec requirements, but at a much higher level of quality. Which does its job but does require more cleaning than newer coatings. Nitride is black and shiny. Both steels have high hardenability and are mostly used to manufacture components with a large cross-section requiring high toughness and core strength, usually on critical aircraft engine gears, or automotive applications. The AR15 use the lube not only as lubricant but also captures particles. Before you had to go with different materials for the carrier like aluminumwhich turned out to not be a great idea. At that point it's a Nickel Boron (Silver) vs Titanium Nitride (Gold) discussion and that's a discussion for another day! Another recent addition from the makers of the most hi-tech AR-15 muzzle brakeone thats 3D printed from Inconel (think rocket ship engines). Nickel Boron tends to have more shine especially compared to matte chrome. The bolt carrier itself is built using 8620 steel, which features a hardened finish.