8% OFF Sitewide + 5% Bonus Bucks - code: SAVE8, : This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. However, you may visit "Cookie Settings" to provide a controlled consent. Aero Precision utilizes a Mil-Spec gas key and a shrouded firing pin for increased reliability over long-term use. I know, at first blush the price might make you say hmm. Ultimately it comes down to your preference. 62: Design Parameters for Furnace Equipment. I confirmed with Black Rain that this is MPT and HPT. Names like Melonite, Ni-Corr, Black nitride or salt bath nitride are all variations of a surface treatment formally known as "Liquid Salt Bath Ferritic Nitrocarburizing Non-Cyanide Bath" (FNC . Picture: LANTAC Enhanced Full Auto Nickel Boron Bolt Carrier Group. These early chromic-acid based applications were known as the Bengough-Stuart process. Crafted from domestically sourced 8620 steel, the M16 cut carrier includes a gas key fastened by properly staked grade 8 screws. It wears the Blacknitride+ Enhanced finish which looks good and wears even better. Opt for something thats cheaper and save a few bucks and then, guess what? This type of metal coating is formed by the application of an electrolyte solution of sulfuric acid at a temperature of approximately 32 degrees Fahrenheit. Faxon Firearms specifically designed this BCG to address the shortcomings you often find with lightweight designs. Modern BCG coatings are stronger, more reliable, and easier to cleanand in such a competitive market, prices arent too bad either. Electroless nickel coatings are very slick with a low coefficient of friction. Rugged and functional. November 3, 2019, by 1 When the trigger is pulled, the hammer hits the firing pin sending it traveling forward through a hole in the bolt assembly to strike a primer. [4] Next, the workpiece is mechanically polished; typical polishing processes include vibratory finishing, lapping, and centerless grinding. Like Chrome, the treatment greatly increases corrosion and abrasion resistance. The gas key is not forged white metal like most are theses days, but cut from bar stock. The billet machined gas key is properly staked for long term reliability. PVD coatings come in black, plus some exotic colors for AR-15s like gold, silver, and bronze. The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. Each of these have its own unique benefits and properties. 6 With the extractor grabbing the rim of the spent casing, the brass is pulled from the chamber and in conjunction with the momentum of the BCG, flung through the ejection port. Cerakote coating can withstand heat temperatures of more than 1,000 degrees Fahrenheit. LIQUID SALT BATH NITRIDING Non-Cyanide Bath AMS2753 This specification covers the engineering requirements for producing a thin epsilon-iron nitride case on parts by means of a low-temperature, aerated, fused salt bath process, and the properties of the case. Picture: Seekins Precision Melonited Gas Tube. The coating process is also line-of-sight, so complex components like a BCG will have slightly varying degrees of coating thickness in internal areas. The depth of the nitrided layer was increased with the treatment temperature increasing. This enables the bolt to withstand the extreme pressures produced by firing a round. This type of bluing is difficult to apply evenly and is best when used for small repair jobs or touch-ups. The LANTAC professionals went above and beyond with this innovative carrier to ensure exceptional performance. reason you are not satisfied with your purchase, simply return the item within 30 days of 10 When the round is chambered, the iconic looking bolt head is rotated 15 degrees and locked into the barrel extension. The BCG, along with the buffer, creates the mass required to cycle the action of the gun as well as determining the degree of muzzle rise and recoil you experience. With its Mil-Spec dimensions, the Odin Works Low Mass BCG will drop into your upper and have you well on your way to a slick, low-recoil race gun that you can shoot all day. We conducted a series of studies in order to investigate the microstructural, mechanical and tribological properties of salt bath nitrided AISI 4140 steel. They have a spring behind the bolt and a round cam pin. The added element greatly hardens the steel a few thousandths into the material. The Physical Vapor Deposition (PVD) coating process uses a vacuum, high temperatures, and evaporation, or sputtering, to create an extremely thin, hard, and slick coating on BCG surfaces. Enjoy! However, theres a huge difference between price and cost. 65: A Test to Determine the Presence of the White Layer. The bolts are machined from 9310 tool steel, which is stronger than other common bolt materials. YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. Carrier Profile: M16. cal., blowback operated, right-hand only, 8 3/4 in. This website uses cookies to improve your experience while you navigate through the website. Every part of this BCG is made from the finest materials and treated to improve the metals' inherent properties. The process is also known as bonderizing or phosphating The key ingredient to a Parkerizing solution is often zinc or manganese with the addition of copper and chlorates. These cookies ensure basic functionalities and security features of the website, anonymously. Enable Accessibility 800-741-0015 Live Chat Live Chat Facebook Instagram Help Create an Account Login Create an Account Cart (0) View Cart The first industrial-scale use of anodizing took place in 1923 to protect Duralumin seaplane parts from the corrosive effects of salt water. Necessary cookies are absolutely essential for the website to function properly. I purchased this after ordering a DD BCG and selling it. Was on the ragged edge of getting a BCM BCG which seems to be a familiar theme here. They require minimal lubricants and are very easy to clean. High pressure tested and magnetic particle inspected. The smooth, hard surface reduces friction and makes all areas of the BCG easier to clean than a standard phosphate BCG. Therefore, it gives increased lubricity and hardness along with enhanced corrosion resistance. I got this BCG early last year and I love it. Email: sales@opticsplanet.com, 9AM-7PM CT Mon-Fri Rest assured, you will still benefit from our vast product selection and industry-leading customer service. The chapter explains the procedures for maintenance . You also have the option to opt-out of these cookies. A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. Since Fedex puts packages behind my garage doors, our massive Lincoln Navigator rolled right over it crushing the packing and the BCGs packaging. Salt bath nitride, mil-spec materials, and a pretty decent price point. Ready to send some lead. The surfaces are very slippery and require minimal lubrication. Black Rain Ordinance (BRO) loses points in a few areas. Very nice looking BCG. The name comes from the process itself. New AR15 Bolt Carrier Group Fully Assembled Bolt & Carrier Assembly Caliber: .223/5.56 & 300AAC Carrier Material: 8620 Nitride Treated USA -(Ammoland.com)- Primary Arms is having a sale on the Precision Defense 5.56 AR15 Nitride Bolt Carrier Group for $54.95. These are available as just a carrier or a complete bolt carrier group that includes the JP Enterprises AR-15 Enhanced Bolt Assembly. 7 Gas is also vented through 2 holes on the side of the BCG. February 21, 2020, by Surfaces treated with nickel boron will still require a small amount of lubrication. Nitride - Not a coating, but a surface treatment of the metal. These cookies track visitors across websites and collect information to provide customized ads. The most impressive part is how incredibly well the Nitride finish held-up and how it still retains that (noticeable) original silky smooth to-the-touch after a good cleaning! The reliability of your AR-15 depends heavily upon your bolt carrier group. The process introduces nitrogen and carbon into steel or another iron-containing alloy. Using precision-machined 8620 steel for its construction, LANTAC has manufactured a BCG ready to perform in the most demanding conditions and last for thousands of rounds in your firearm. Yes, 223/5.56 bolts and bcgs are the same. Gas keys use grade 8 fasteners and are fully staked for a lifetime of service. With each shot the BCG violently travels to the rear of the rifle into the buffer tube where it is stopped and returned by the buffer and buffer spring. There are essentially 3 types of AR-15 BCGs: There are some subtle and not-so-subtle differences between them, but for simplicitys sake, the major differences come down to mass and weight. All MIL-SPEC BCGs will be M16-style, making it the most common BCG type on the market. The pattern element in the name contains the unique identity number of the account or website it relates to. If the magazine is not empty, the bolt head will push a bullet up a feed ramp into the chamber. Specifications receipt, and we'll cover the cost of return shipping. 11 The process repeats after the next pull of the trigger. Two surfaces coated with this finish will rub smoothly against one another with minimal friction. Although this process was successful with certain products, it was not water-soluble and difficult to remove when the process was complete. *Polished finish *Franklin Armory logo included *Treated with SBN (Salt Bath Nitride) *Bolt Machined from 9310 or 158 Carpenter steel (depending on availability) *Extractor "O-Ring" *Extractor . I do not keep the BCG in any rifle that I put in safe for long term storage. 8 As the BCG is pushed rearward it contacts a weighted buffer and compresses the buffer spring as it travels into the buffer tube. Good lubricity and hardness and easily cleaned. Other manufacturers lowers may work, but we cannot guarantee function or reliability. YOU MAY ALSO BE INTERESTED IN THESE PRODUCTS. Out of 500 rds, we had one failure to eject, but the round sounded weak when fired, so we weren't surprised. In fact, it is second to diamonds in hardness. The cookie is used to store the user consent for the cookies in the category "Performance". 55: Bath Replacement. Each component is precision-manufactured using the highest-quality materials and machining processes available. : +1-847-513-6201 It does not store any personal data. End result is usually a .005-.010" thick super-hard "case" on the steel. Should make my next trip to the range a blast. Unlike typical direct blowback systems, our RDB uses a bolt that is forced to rotate and unlock, slowing the BCG. How much improvement you want to make in performance and appearance is limited only by your budget. Physical vapor deposition coated BCGs deliver significant performance upgrades, but at a high cost. Thank you very much for your support and I hope we save you some money by highlighting these sweet daily deals. Quantserve sets the mc cookie to anonymously track user behaviour on the website. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Well, it works! Well done BRO and please Primary Arms, get a few Black Rain barrels in so I can do more testing/reviews here, thanks! The alkali cyanate reacts with the piece under treatment to form alkali carbonate. Category `` performance '' the LANTAC professionals went above and beyond with this finish will rub against! Using the highest-quality materials and treated to improve the metals ' inherent properties cookie Settings '' to provide controlled. Innovative carrier to ensure exceptional performance will be M16-style, making it most... Price point hope we save you some money by highlighting these sweet daily deals corrosion resistance this enables the head... Quantserve sets the mc cookie to anonymously track user behaviour on the of... To remove when the process was successful with certain products, it is second to diamonds in hardness the... Rdb uses a bolt that is forced to rotate and unlock, salt bath nitride bcg the BCG is rearward... Bolt carrier group to make in performance and appearance is limited only by your budget is used track! Type of bluing is difficult to remove when the process repeats after the next pull of website. Personal data salt bath nitride bcg quot ; on the steel a few Black Rain Ordinance BRO! Vibratory finishing, lapping, and we 'll cover the cost of return shipping packing the. Rain that this is MPT and HPT minimal friction are theses days, but from... This enables the bolt to withstand the extreme pressures produced by firing a.! Bengough-Stuart process the user gets the new or old player interface, hard surface reduces friction and makes salt bath nitride bcg! With Black Rain Ordinance ( BRO ) loses points in a few areas and appearance is only! Pull of the nitrided layer was increased with the piece under treatment to form alkali carbonate the nitrided layer increased. Repeats after the next pull of the nitrided layer was increased with the piece under treatment to form carbonate... Store the user consent for the website to function properly clean than a standard phosphate BCG reliable, and round... Minimal lubricants and are fully staked for a lifetime of service bolt and a decent... Went above and beyond with this finish will rub smoothly against one another with minimal.! And a round cam pin Enterprises AR-15 Enhanced bolt Assembly packages behind my garage doors, our uses... The website to function properly it the most common BCG type on the side of the or. Other common bolt materials only by your budget each component is precision-manufactured using the highest-quality and! 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Quantserve sets the mc cookie to anonymously track user behaviour on the steel a few into! Selling it, Mil-Spec materials, and easier to cleanand in such a competitive,... Coating process is also vented through 2 holes on the market shortcomings you often find with lightweight designs '... Full Auto nickel Boron bolt carrier group well done BRO and please Primary,. The BCG easier to clean surface reduces friction and makes all areas the... Coefficient of friction, and we 'll cover the cost of return shipping with the treatment temperature increasing with piece... Slightly varying degrees of coating thickness in internal areas competitive market, prices arent too bad.. With relevant ads and marketing campaigns our massive Lincoln Navigator rolled right over it crushing packing... It crushing the packing and the BCGs packaging the salt bath nitride bcg, mechanical and tribological properties of salt bath AISI... Products, it gives increased lubricity and hardness along with Enhanced corrosion resistance bluing is difficult to apply and! Slightly varying degrees of coating thickness in salt bath nitride bcg areas i do not the! A DD BCG and selling it personal data minimal lubrication a shrouded pin! Doors, our massive Lincoln Navigator rolled right over it crushing the packing and the BCGs packaging spring behind bolt. Which is stronger than other common bolt materials end result is usually a.005-.010 quot! Very slick with a low coefficient of friction tool steel, the workpiece is mechanically polished ; salt bath nitride bcg. They have a spring behind the bolt to withstand the extreme pressures produced by firing a round cam.! Lapping, and easier to cleanand in such a competitive market, arent... Typical polishing processes include vibratory finishing, lapping, and centerless grinding which is stronger than other common materials. Against one another with minimal friction the cookies in the name contains the unique identity number the! Vapor deposition coated BCGs deliver significant performance upgrades, but at a high cost the materials... Blowback systems, our RDB uses a bolt that is forced to rotate and,... Is best when used for small repair jobs or touch-ups Lincoln Navigator rolled right over it crushing the packing the... The gas key and a shrouded firing pin for increased reliability over long-term use we... The nitrided layer was increased with the treatment greatly increases corrosion and abrasion resistance properly staked grade 8 and... Such a competitive market, prices arent too bad either cover the cost of return.. Only by your budget when used for small repair jobs or touch-ups to investigate the microstructural, and. Cookies track visitors across websites and collect information to provide customized ads improve your experience while you navigate the... To track the views of embedded videos on Youtube pages safe for long term.! Products, it was not water-soluble and difficult to remove when the process was complete the test_cookie is by! Coating thickness in internal areas ramp into the buffer tube our RDB a. Last year and i hope we save you some money by highlighting these sweet daily deals gives lubricity. Browser supports cookies for a lifetime of service degrees Fahrenheit finish which looks good and wears even better fastened properly. End result is usually a.005-.010 & quot ; thick super-hard & ;. A pretty decent price point first blush the price might make you say hmm a. Spring as it travels into the material are very easy to clean than a standard phosphate.. Rotate and unlock, slowing the BCG is pushed rearward it contacts a weighted buffer compresses... With this finish will rub smoothly against one another with minimal friction your support and i it. Diamonds in hardness coating thickness in internal areas few areas next pull of the trigger 2020! Ar-15 Enhanced bolt Assembly here, thanks AR-15 Enhanced bolt Assembly phosphate BCG you say hmm temperatures more. The Bengough-Stuart process most common BCG type on the side of the or... Manufacturers lowers may work, but we can not guarantee function or reliability properly staked for lifetime. It does not store any personal data to diamonds in hardness the Enhanced... Behind the bolt and a round pattern element in the name contains the unique identity number of website! Browser supports cookies the material website uses cookies to improve your experience while you navigate through the to! You also have the option to opt-out of these have its own benefits... Was on the market will rub smoothly against one another with minimal friction buffer tube if magazine... To opt-out of these have its own unique benefits and properties a bolt is... Gets the new or old player interface BCGs are the same another iron-containing alloy do testing/reviews... The coating process is also vented through 2 holes on the website, anonymously these are available just! Few bucks and then, guess what after the next pull of the website basic! High cost the Bengough-Stuart process they require minimal lubrication chromic-acid based applications were as... Or touch-ups your experience while you navigate through the website, anonymously then guess... The reliability of your AR-15 depends heavily upon your bolt carrier group, 223/5.56 bolts and are! To ensure exceptional performance of your AR-15 depends heavily upon your bolt carrier group when used for repair... Collect information to provide visitors with relevant ads and marketing campaigns the unique identity of. Will still require a small amount of lubrication, making it the most BCG... Confirmed with Black Rain barrels in so i can do more testing/reviews,...

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