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LMT Enhanced Bolt Carrier and Bolt! Trouble is finding one. 13 Best AR-15 Bolt Carrier Groups (BCG) 1. Create an Account; Login; Create an Account; Cart (0) View Cart; SpiceTac | AR-15 Parts. Heres my opinion, That does it for BCGsthere are lots to choose from. Its pretty cool to see they are still around innovating products like their Xtreme Performance Bolt Carrier Group. Bolt Carrier Group For Sale | Complete Bolt Carrier Group - SurplusAmmo FOREVER. Shop our vast selection and save! This coating offers unfaltering protection from wear and corrosion that would ordinarily degrade . All ACME BCG parts are of the highest quality and 100% made in America. And although there are only 4 settings so you wont get down to the perfect setting for your rifle and loadsits a great system if you dont want the hassle of swapping out a gas block. Chameleon Bolt Carrier Group at Brownells Also, to everyone, be careful with NiB bolts, and be sure to check headspace on every build. Faxon Firearms Gen 2 9mm PCC Blowback Full-Mass Bolt Carrier Group - Glock & Colt Compatible | Nitride . There are so many BCGs out there so let us know what we missed. Spikes Tactical AR15 Lightweight Nickel Boron BCG - Bauer Precision Nickel Boron treated parts include: Bolt Carrier, Bolt, & Bolt Components. They are a top manufacturer of complete rifles, carbines and pistols in their newer Super Duty line. A better one might last longer or be a bit more reliable in bad conditions, but that depends on what you currently have Vs. what you might upgrade to. White Label Armory's secret sauce: PRECISION GROUND. The pistol we Main lessonget a full-auto weighted BCG if reliability is a concern. It must properly contain the high chamber pressures of the 223/556 . For a super tough and reliable BCG, look no further than the XPB. Aero Precision Nickel Boron BCG (SpiceTac). gear. Bolt Carrier Group 5.56 | M16 BCG | Faxon Firearms Yea, nitride is just fine! All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. That Nickel Boron finish is MIL-SPEC on some Army mortar tube components. Bolt Carrier Groups Archives - KM Tactical 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. That was absolutely hilarious. RISE Armament AR-15 Nickel Boron Bolt Carrier Group (BCG) Plus, how many of this list are made by the same REAL manufacturer? * 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. Best Low-Mass or Lightweight Bolt Carrier Groups. 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 they are actually the cheapest in the whole article. Weve built dozens of ARs and well cover all the best AR-15 upgrades such as handguards, triggers, BCGs, gas blocks, and more. Easiest to clean, best customer service, and no, I'm in no way affiliated with them. The Brownells M16 5.56 Complete Bolt Carrier Group is an affordable option that is built and tested to provide flawless operation in any AR-15 or M16. towards your level. Best-Rated AR-15 Bolt Carrier Groups - Wing Tactical All of the finishes listed here are quality finishes and a good BCG will work fine with any of them. Is any of this sounding like a worthwhile version of the truth? AR15 Bolt Carrier Groups White Label's parent company, DRG Manufacturing produces our M16 BCG which is trusted by seasoned shooters and depended on by experienced builders. Then try again. Our Low Price $314.74 Your Security is Our Priority For specific comparisons of black finishes (Phosphate vs Nitride vs DLC ) see here The Best Black BCG Finish - Phosphate vs Nitride vs DLC. This clown not mentioning it, and then listing 10 absolute pieces of trash is embarrassing for a tactical website. Want to go lightweight for competitive shooting? 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. . What kind of BCG do you run? But with one of Cryptic Coating BCGs you dont have to run them dripping wet which is a definite plus when running suppressed. AR15 Complete Low Mass Bolt & Carrier Group - Nickel Boron. Restrictions apply, Offer ends 3/5/2023. Ive shot many thousands of rounds through it and it still looks newnot even that many wear marks on the touchpoints. The fact that no Cryptic Coatings BCGs are here means the whole article is useless, There will only be one bolt that I will use for the future, and it comes from Sharps. If you look closely youll see that the Titanium carrier is black (DLC: diamond-like coating) while the bolt is silver (nickel boron). , If you like convenience, selection and low prices, you owe it to yourself to shop online Learn the 3 most popular shooting stances & more. Features: .223/5.56 NATO Nickel boron finish M16 cut 9310 steel carrier Carpenter 158 steel bolt It also has high corrosion resistance as well as a natural lubricity. What finish you select becomes pretty much a matter of personal preference. Nitride +3. Chrome is a timeless classic and you really don't need a reason to choose it. This article was a great read if you're a newbie unfortunately this article forgot to actually mention some of the best BCG's on the market. PSA m16 full auto nickel boron bolt carrier group Personalize your experience. Top 5 Best AR-15 BCG Bolt Carrier Group Reviews. Let's sort through some of the more popular BCG finishes and coatings and see the Pros, Cons and Recommendations! 5.56 Bolt Spikes HPT/MPI Bolt Assembly - Phosphate $ 89.95. FFL orders are delayed 7-8 business days from receipt of FFL license. Standardizing military equipment dates back centuries. We cover the best-in-class bolt carrier groups for mil-spec, low-mass, slick coatings, exotic materials, and more. Brownells is your source for Chameleon Nickel-Boron Bolt Carrier Groups,Bolt Parts at Brownells parts and accessories. ACME Machine has been in business since 1976 crafting highly precise components. I have put them in all of my AR platforms in the past 2 years. Left Hand Nickel Boron BCG M16 / Ar15 Bolt Carrier Group $ 299.00 $ 149.00 . Built for a lifetime of hard use, this BCG can take all the punishment you can throw at it. If I want a black finish and I have the money, DLC all day long. No joke , its crazy right now , hard enough to even find anything in stock at that. which style should i get black nitride or nickel boron? NIB (nickel boron) Bolt & Carrier; S7 Extractor; Full Auto Compatible (M16 Cut) Forward Assist Serrations; Staked Gas Key Bolts; 8640 Firing pin; 4340 Cam Pin; Black Nitride finished BCGs often have an attractive deep black finish. Faxon Firearms 5.56/300 BLK Gunner Light Weight Bolt Carrier Group - Chameleon PVD. Some people like the rough phosphate finish for its tendency to hold oil better than other finishes. Hard Chrome has the edge in hardness but Nickel Boron wins on slickness. This bolt carrier group is designed for optimal performance and is made from top-quality materials, ensuring durability and longevity. Better than any "mil-spec" BCG because of its gas porting. A completely assembled, ready to install AR15/M16 Bolt and Carrier System. Primary Weapons Systems DI BCG should be #1, followed by POF, BCM #3. $254.99 $184.99 Sale. Is this the Young Manufacturing that doesn't know how to stake their gas keys? It is so strong that it is virtually scratch proof. are known for less felt recoil, so why would that not translate to the AR platform when talking about the BCG mass? Hand-Picked Daily GUN DEALS, and Exclusive Coupons Codes >>>, choosing a lightweight bolt carrier group. 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. In fact, there's a lot of premium, match-grade equipment for AR-15s that are much better quality than mil-spec parts. Can you provide some input? AB Arms Nickel Boron AR-15 Bolt Carrier Group | Wing Tactical Designed for use with all 5.56-NATO-based cartridge cases. Just asking since I'm enjoying learning about all of the fun you can have with the adult lego set! 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. M16 Complete Bolt & Carrier Group - Nickel Boron, AR15 Complete Low Mass Bolt & Carrier Group - Nickel Boron, AR15 Complete Low Mass Bolt & Carrier Group - Nitrided, Del-Ton AR15 MP/HP Tested Bolt & Carrier Assy, Del-Ton M16 MP/HP Tested Bolt & Carrier Assy BCG, Fostech AR15 M16 Bolt Carrier Group Black Nitride - 6226 ** LAST ONE, FosTech Complete LOW MASS Bolt Carrier Group (Nickel Boron), Odin Works 6.5 Grendel Type 2 Black Nitride Bolt Carrier Group, Anderson MFG AM-10 .308 Bolt Carrier Group, AR10 .308 Complete Low Mass Nitride Bolt & Carrier, 6.8SPC/224 Valk M16 Complete Mil-spec Bolt & Carrier - Nitride, Anderson Mfg .458 SOCOM Bolt Carrier Group, Angstadt Arms AR15 5.56 NATO Complete Bolt & Carrier Group QPQ Black Nitride Finish, AR15 .450 Bushmaster/.458 SOCOM Bolt Carrier Group, AR15 7.62x39 Complete Bolt & Carrier - Nitride, Black Rain Ordnance .308 AR Complete Bolt Carrier Group -Nickel Boron Coated NIB Finish, Brownells M16 5.56 MP Chrome Bolt & Carrier, Colt Manufacturing M16 5.56 Complete Bolt & Carrier, Faxon Firearms 5.56 M16 Bolt Carrier Complete, Chameleon PVD, Guntec AR15 Complete Mil-Spec Bolt Carrier Group (Rainbow Pvd Coated), Guntec AR15 Complete Mil-Spec Bolt Carrier Group (Titanium Coated), JP Enterprises 308 SS LMOS Carrier Group w/ JP Enhanced High Pressure Bolt (DPMS Platform) - Polished Finish, JP Enterprises 308 SS LMOS Carrier Group w/ JP Enhanced High Pressure Bolt (DPMS Platform) - QPQ Black Finish, JP Enterprises Full Mass Stainless Carrier with Key, JP Enterprises Low Mass Polished Stainless Carrier with Key installed, JP Enterprises Low Mass Stainless Carrier with Key, Lefty Complete Bolt & Carrier Group - Nitrided, Midwest Industries AR15 Bolt Carrier Group - Black Nitride, Stern Defense SD BU9 NiB ECHO - Glock Compatible, Powered by Network Solutions Online Store. M16 Bolt Carrier GroupBillet Extractor, 5.56, Chameleon. Aero Precision Black Nitride BCG (SpiceTac). Want something in the middlethats mil-spec AND Nitride coated? I've been eyeing the Radian Enhanced BCG and might throw in the Raptor charging handle and ambidextrous safety while I'm at it. Click for Details. Nothing much to say except its mil-spec everything and has a great reputation. The 308 Relia-Bolt is made of robust 9310 nickel-chrome-moly alloy steel. Disassemble it completely, inspect, clean and lube it as you would a standard phosphate carrier group. Sale Price: $179.95 . I just had a meeting talking about how few manufacturers there are for BCG's. If you go chrome it will probably be for the color and the uniqueness of the finish. You may want to look into Barnes Precision Machine next time. The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and increased reliability. Nickel Boron is an advanced metal finish that offers high resistance to wear and corrosion as well as having an ultra low co-efficient of friction. Looking for something a little more budget? It has a 9310 bolt but that is the standard for lightweight builds. CMMG Bravo .22 LR Conversion Kit W/ One 25 Round Magazine. From my perspective, however, 9310 is an excellent option and is objectively stronger than 8620 and Carpenter 158 steel. M16 Bolt Carrier Group 5.56 - Chameleon PVD . AR-15 Bolt Carrier Group Nickel Boron Finish While Supplies Last $189.99 Add to cart Review financing options with Overview Key Features Lifetime Warranty All RISE products are covered Easy Returns 30-day hassle free returns Made in America Our products are made in Oklahoma Reviews ( 1) Questions ( 1) C 08/15/2022 Chad Myers Please view details for more information. M16 5.56 BOLT CARRIER GROUP NICKEL BORON MP - Brownells The roughness of the phosphate finish wears down to become a smooth surface on the high wear points like the carrier rails. QPQ +1. I became my group's "gun guy" and everyone who had questions came to me. Above: Chrome lining inside Toolcraft phosphate carrier can be seen with light coming in from the cam pin slot. Since LMT says the only BCG that works is theirs, I would go with what they say. WE HAVE ARBITRARILY DRAFTED DOCTRINE AS WELL WHICH STATES AS FOLLOWS TO STOP THEIR FUN: Young MFG BCGs if you want real precision and aerospace component process technology. The more mass you have coming rearward the more recoil youll feel. Top 3 Reasons You Might Want A Nickel Boron BCG [2023] johhny B and his boys standing on the corner sucking that corporate dick again. We carry high-quality products and back them with the industry's strongest guarantee. What brand is the full auto in the comparison that you did? Ive actually had two BCGs gas keys come loose, one being an early Fail Zero NiB BCG. And now I hope to answer some of yours! An aluminum carrier rubbing an aluminum receiver led to the carriers being used up in a few thousand rounds. A sports car needs a great engine. This BCG is a giant leap in the area of durability and reliability. But if mil-spec is the name of the gameget the BCM. They may be a little bit pricey but you get what you pay for. With that comes a Gucci price though. First off, full-auto BCGs are legal and dont magically make your AR-15 automatic firing. Hi, I'm Eric Hung and I got into guns when I was around 25 and started with YouTube videos, scouring forums, and eventually taking a bunch of classes. The main reason to get this finish is going to be appearance. Compensators/ Flash Hiders/ Muzzle Brakes/ Thread Protectors, 6.5 Grendel Type II Complete Bolt & Carrier Group. CMMG AR-15 22LR Barrel And Collar - Medium Contour - 9" . I find the Cryptic Coating BCG to be slickest and easiest to clean of them all. And you never know if a batch is 10 or 1000 BCGs. sorry I've owned a lot of BCG's and any discussion of the best BCG that doesn't include Cryptic Coatings at the very top is not worth reading. 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. Ok guys I love guns and building them and customizing them but I dont know everything about everything by far and now I'm on researching BCG's. I just purchased a nitride (sometimes referred to as Melonite) finished BCG. 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. So to say that its all mil spec is a kind of buzafication of information . what is the major difference between a 8620 BCG and a 9310 BCG? Best AR-15 Bolt Carrier Groups (BCG): The AR's Engine The heavier standard BCGs are better suited to running any kind of ammo through any kind of gas system. Bolt Carrier Groups - Gun Parts - 2nd Amendment Wholesale I'd like to purchase a quality bolt carrier without a bolt. Our goal is to go above and beyond Mil-Spec expectations! Youll find over 90,000 products from top brands and hard-to-find unique gun parts, firearm accessories, gunsmithing tools, and other products to maintain, repair, and upgrade your guns for work, home, hobby, and protection. I LOLd at the Magnetic Particle tested bolt picture. The lugs on the bolt semi angled cut sloping down toward the muzzle end. In both categories though, Nickel Boron has the edge over Nitride. 7+ Best AR-15 Bolt Carrier Group Reviews [2022] Have You Upgraded Yet? It comes in at a much lighter 8.5 ounces (compared to a full auto 11.6 ounces). 308 BOLT CARRIER GROUP - NICKEL BORON. Bolt Carrier Group | AR15 Bolt Group Part | BCG Nickel Boron If it doesnt say in the descriptionit probably is only batch tested. Again, if its a duty or self-defense gunId opt for something MPI and HPT tested. Chrome is extremely hard which makes it very wear resistant. Your feedbackers are lying to you , one of the best 556 BCG on the market! - NBS .223/5.56 Bolt Carrier Group - Chameleon - AR15Discounts Full Auto Patented Bolt Carrier Groups (BCGs) | Go Beyond Mil-Spec Ion Bond DLC has been found to have a lower coefficient of friction and greater hardness rating compared to other coatings, such as Nickel Boron. Phosphate has been serving the military well for many years and it works very well. Meets milspec requirements, but at a much higher level of quality. Looks great under our PREMIUM Handguards now Buy 1, Get 1 FREE! Im building an AR 10 , its the first real build that Ive committed to . I soaked up as much information as I could online, at competitions, and from tinkering in my workshop. ACME 5.56 Bolt Carrier Group AR-15 Nickel Boron C158 Brownells is your source for Chameleon Bolt Carrier Group at Brownells parts and accessories. M16 Bolt Carrier Group 5.56 - Chameleon 8620 M16 Style Carrier Ionbond Coating (PVD) Heat Treated . Nickel Boron 5.56 Bolt Carrier Group (BCG) - A1Armory But youre here for BCGs. Bolt Carrier Groups for ARs & M16s On SALE - OpticsPlanet Mass that should help with reliability. PewPew, itd be great if you could do an article about headspace, its importance, and how to check it. The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel th. Fantastic build and cleanup is a breeze with the DLCoating. I have yet to find a source except for some sketchy surplus sellers. Odin works have been perfect in one of my grendels. But be sure to get the most out of it with an Adjustable Gas Block. Properly built, no corners cut.DISCLAIMER: Due to the PVD process, each product may have a slight variation of color. LBE Unlimited 5.56 Nickel Boron Bolt Carrier Group for AR-15 Only $ 169.99 View Product Faxon Firearms 5.56 Gunner Lightweight Bolt Carrier Group - Black Nitride Only $ 229.08 View Product Lantac AR-15 Enhanced Bolt Carrier Group - E-BCG Titanium Nitride .223/5.56 NATO Only $ 305.99 View Product With nothing more than an initial lube, I ran this bolt carrier suppressed at breakneck speeds for just over 1,200 rounds the last 500 or so were steel-cased. 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. FAILZERO INTRODUCES ITS 9MM BOLT CARRIER GROUPS EXO technology provides a permanent dry lubricity to metal surfaces, that improves corrosion and wear resistance. 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. Out of stock. Category suggestion. The XPB has a patented Relia-Bolt and is machined out of S7 tool steel. The reason I decided to post here has to do with tolerances of different aspects and of degrees of temper and the utility of intentional variable of the former or later. 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. Our Price: $199.00. The BCG's above are all great options, but the bolt itself is a different story. Above: AR-15 BCGs with Nickel Boron finish by Fail Zero (Top) and Toolcraft (Bottom). Ive read numerous stories of stacking tolerances from some manufacturers, due to the thickness of the coating. On the basis of performance, nitride wins. The password should contain at least 8 characters with at least one number or special character. An awesome AR-15 needs a great bolt carrier group (BCG). Free Shipping on orders of $199+ |Use Code: SITESHIP | Restrictions apply, Offer ends 3/5/2023. Properly built, no corners cut. I do like them in terms of increased lubricity and ease of cleanup. Spikes Tactical ST7BG03 Bolt Carrier Group 7.62 x 39 Bolt Carrier Toolcraft is an OEM provider of BCGs to many firearms manufacturers. 9/27/2022 3:25:23 PM. White Labels parent company, Outerwild pr, The perfect 9mm bolt for your pistol caliber build. 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? Full mil-spec everything. ALWAYS, ALWAYS 100% flawless! That means each bolt is individually tested at a proof load. Nickel Boron (NiB) used to go for a lot more in price but now theyve stabilized at around the BCM pricepoint. Been running LANTAC E-BCG's in all my AR's with no issues. Enable Accessibility. I am reading thru this article on bolt carrier groups. AR15 Bolt Carrier Groups - White Label Armory Anderson Manufacturing - M16 5.56 Bolt Carrier Group. (no automatic penis or mouthfuls of jizz for BATFE) Wilson Combat DPMS LR-308 Complete Bolt Carrier Gr. what makes the BCM bcg better than the bcg it copies COLT. The 308 carrier is precisely machined from case-hardened 8620 alloy steel. If you ask most people online what's their go-to BCGthe vast majority is going to be BCM's M16 BCG. Learn all the important stuff about handgunswith none of the attitude. We hate SPAM and promise to keep your email address safe. 9mm Ramped Bottom Bolt Assembly BCG - Colt Compatible - Closeout! Enable Accessibility. Love my AR-15 10.5 pistol! Toolcraft Titanium Nitride BCG (SpiceTac), Above: This Bravo Company (BCM) BCG has been refinished with NP3+ by Robar. Quick view. Top 3 Reasons You Might Want a Nickel Boron BCG. The nitride finish on the carrier and bolt provides added corrosion resistance, making it a great . ETA: When you have properly cleaned and lubed the BCG and are ready to try again, do the following to isolate the issue: 1) Load a single round in the chamber and fire the gun with no mag inserted. Now, I'm thinking new BCG for no real reason. This beautiful chrome BCG is no exception. In a semi-automatic rifle, this has zero effect on how the gun functions. RTB Nickel Boron Bolt Carrier Group - 9310 - MPI - M16 BCG (5.56) MSRP: $169.99 SALE PRICE: $114.95 IN STOCK Add to Cart M16/AR15 Bolt - 9310 MPI (5.56) - Completion Kit - Black Nitride MSRP: $85.00 SALE PRICE: $45.95 IN STOCK Add to Cart 7.62x39 AR15 Enhanced Firing Pin MSRP: $12.99 SALE PRICE: $8.95 IN STOCK Add to Cart $199.00. Well done sirs. 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. Properly built, no corners cut. And has worked out great in my Faxon builds (Faxon Barrel Review). With that VDI BCG, it is one less worry. We're not a huge corporation that values the bottom line more than their customers and we're not a one-man band selling AR15 parts out of a garage, we're big enough to compete and small enough that each customer matters. For the traditionalist, a phosphate BCG has a texture that just feels right. BCG/CH: Tactical Solutions Group AR-15 5.56/.223/.300/.350 Side Charging Bolt Carrier Group + Knurled Threaded Side Charging Handle for Tactical Solutions Group Side Charging BCG x2 MSRP: $134.99 $109.99 Sale It has the lubricity of the NiB, it is cheaper than NiB and it cleans up every bit as easy. Mil-spec doesnt mean greatest ever, or worst, its just in spec to a military contract. Call Colt firearms directly and order from them. Plus the silver color pops out in your upper receiver. I am interested in a full auto BCG. An adjustable gas block lets you tune the gas so that less force is put into the BCG, stacked on top of less mass coming back at you and you have a reduced recoil impulse that is also not snappy! See our BCG recommendations:Best AR15 Bolt Carrier Groups. NiB-X Bolt Carrier Group: BCGs With Performance Coatings - Wmdguns In the back of your mind, youll know its not mil-specbut its about half the price of the BCM. We'll only use the information provided according to our privacy policy. The bolt carrier is what specifically holds the firing pin, gas key, cam pin, and bolt together. 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. Nickle-Boron +1. FEATURES. 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. : 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. And is easier to clean. I am trying to do some research between the two and can't really come up with a PROs and CONs. Brownells - M16 Mil-Spec MP/HPT Bolt Carrier Group. Had never heard of them. Great combo with their builds if youre buying stuff from them anyways unless you want a different coating. At that point it's a Nickel Boron (Silver) vs Titanium Nitride (Gold) discussion and that's a discussion for another day! Blem PVD Rainbow M16 BCG Chameleon Bolt Carrier Group - $113.99 w/code "NEW5OFF" $113.99. How about the best home defense pistol? All components are coated with nickel boron to minimize friction and enhance performance. Mil-spec means phosphate coated and is matte and a little bumpy. UCT Coatings of Palm City Florida applies their patented EXO Nickel Boron finish to many products including AR-15 BCGs for Fail Zero and Toolcraft.
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