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Re: nickel boron or black nitride BCG. Originally Posted by foxtrotx1. That would make sense. Phosphating is extremely porous. So the better it collects carbon, the better it holds on to lubricant. But something that doesn't hold carbon due to smoothness and has a nitride or NiB layer doesn't need as much lubricant. Hm.Chrome/NP3 > Phosphate >> DLC >>>> Nitride > TiN > NiB After that, just pick any reputable manufacturer. If I gave you whatever gauges you needed and 15 phosphate BCGs from 5 different reputable manufacturers, you'll never be able to find any kind of trend. However, if I gave you 15 BCGs from the same manufacturer with 5 different coatings ...Black manganese phosphate conversion coatings are considered to be more durable than grey zinc phosphate coatings, but the difference is not great. The U.S. Army armory system popularized zinc and manganese phosphating of firearms between the World Wars. It was first used as a refinishing process and was quickly adopted for new …

As alluded to, there are different methods for nitriding at varying costs. I would prefer the Nitride, but would like to know which method they use. Nitride is the recent, more popular coating to phosphate and chrome-lining for barrel finishes as of late. Be careful of half-arsed Nitriding. Nitride tends to be "glossy" if that matters to you.1. Nitride is much harder than hard chrome. That means comparable barrel life under more typical civilian use. 2. Nitride does not merely treat the bore, it is a surface hardening at the molecular level of the entire barrel, protecting not only the bore, but also the exterior of the barrel from abrasion or scratches.Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. CryptoFirearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.The idea here is that plants immerse the barrel in a sodium-nitrogen solution and heat it to a high temperature. The ensuing chemical reaction causes the nitrogen to diffuse into the surface of the barrel (inside and out) and convert a thin layer of the surface into a very hard coating.. The surface of a nitrided barrel is in the realm of 60 to 65 …

I have BCM phosphate coated BCGs and I have a Rubber City Armory (RCA) black nitride coated BCG and all of which I shoot suppressed. The RCA BCG cleans up a hell of a lot easier than the traditional phosphate coated BCGs. I have also owned a Fail Zero but never shot it suppressed but it too cleaned up a lot easier than phosphate.This type of barrel is usually the most accurate, all other factors remaining equal. "Nitride" barrels are essentially the same as Chrome-Moly, but have undergone a plating process that creates a very tough surface strength. The obvious result is that is wears very well, and is purported to be very durable. ….

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Phosphate vs nitride. Possible cause: Not clear phosphate vs nitride.

They enable manufacturers to prepare work pieces for the application of sealants or paints which will enhance corrosion resistance. Manganese phosphate coatings ...Phosphate, AKA parkerizing, is an external surface coating that somewhat improves corrosion resistance, darkens the metal, and gives a harder rough finish. Nitriding (meloniting, QPQ, Tenifer, etc.) Is an external and bore treatment that greatly increases hardness and corrosion resistance similar to chrome lining/plating.

The ring was cycled between −0.4 and +1.0 V vs SCE at 0.2 Vs −1 (3500 or 500 rpm as rotating speed), while the disk was held at different potential values between −0.6 and −1.7 V vs SCE.They are completely different metal treatments. I think most people would agree Nitride is generally superior for firearm parts. It's smoother and more resistant to corrosion. Great article. I always get nitride but after reading that I'd be open to phosphate and for a certain look/ use it might be preferable.

comerica banking online Andylate5. In the PSA Freedom line, I prefer nitride because the phosphate freedom barrels are not chrome lined. The nitride treatment makes the steel more wear and corrosion resistant. 6. Personally I like nitride, but there are some possible problems with it. I've read that the nitriding process heats the metal to over 1000 deg F. fisher mammal soundsapartments for rent in philipsburg pa Li 2 O 2. Lithium Chromate. Li 2 CrO 4. Lithium Dichromate. Li 2 Cr 2 O 7. Lithium Hydrogen Phosphate. Li 2 HPO 4. Lithium Phosphate. Li 3 PO 4.PSA PA-15 16" NITRIDE M4 CARBINE 5.56 NATO CLASSIC AR-15 RIFLE WITH 13.5" M-LOK RAIL, BLACK. Barrel Length: 16" Barrel Material: 4150V Chrome Moly Vanadium Steel Barrel Finish: Nitride Barrel Profile: M4 Chamber: 5.56 NATO Twist Rate: 1 in 7" Extension: M4 Gas System: Carbine-Length Gas Block Type: Low Profile .750" Diameter Upper Receiver: Forged 7075 T6 Aluminum ironwood mi dispensary My WMD NiB-X has had zero extraction issues. Perhaps the phosphate bolt in nitride carriers is that the temperature to do QPQ properly is very close to that which could soften the temper on the bolt. That could be dangerous. Been using a QPQ extractor for well over 2000 rounds suppressed on my DDM4 16.1" Middy.In this video we'll write the correct formula for Cobalt (II) nitride (Co3N2).To write the formula for Cobalt (II) nitride we'll use the Periodic Table and f... gtlfs online payyoucallmd loginsepta sales office Li metal is well known for having a high capacity (3,860 mAh g −1) and a very low reduction potential (−3.04 V vs. a standard hydrogen electrode), making it the ... The Li morphology in the phosphate-based electrolyte could be ... Fast ionic conductivity in lithium nitride. Mater. Res. Bull., 13 (1978), pp. 23-32. View PDF View article ...Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. scary five nights at freddy's jumpscares In all; phosphate barrels are tough, rugged barrels that can take a beating. Though you will need to keep a coat of oil on it to fend off any surface rust. Now let’s move on to Nitride barrels. Nitride Barrels. These barrels are coated using a slightly different process that actually forms a smooth, dark black hardening of the metal.Nitride doesn't flake, chip, or stain. The lubricity you get out of the box is the same you'll get 10k rounds later and probably far beyond that. If you really want an "exotic" finish/treatment on your carrier give hard chrome a look. Otherwise, good ole phosphate or nitride are proven. windswept savannacalifornia ebt portalgbt bus 17 Feb 6, 2017 · MIL-SPEC is manganese phosphate, which requires oil to provide excellent corrosion resistance on the outside of the barrel. Mag phos typically has a matte grey finish. Nitride. Instead of adding material to the bore (like Chrome lining), Nitride treats the existing steel by imbuing nitrogen into the steel itself.