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nickel boron
Electroless nickel-boron coating (often called NiB coating) is a metal plating process that can create a layer of a nickel-boron alloy on the surface of a solid substrate, like metal or plastic. The process involves dipping the substrate in a water solution containing nickel salt and a boron-containing reducing agent, such as an alkylamineborane or sodium borohydride. It is a type of electroless nickel plating. A similar process, that uses a hypophosphite as a reducing agent, yields a nickel-phosphorus coating instead.
Unlike electroplating, electroless plating processes in general not require passing an electric current through the bath and the substrate; the reduction of the metal cations in solution to metallic is achieved by purely chemical means, through an autocatalytic reaction. Thus electroless plating creates an even layer of metal regardless of the geometry of the surface – in contrast to electroplating which suffers from uneven current density due to the effect of substrate shape on the electric field at its surface. Moreover, electroless plating can be applied to non-conductive surfaces.The plating bath usually contains also buffers, complexants, and other control chemicals.
A new, semi built Mega Arms GTR-3H Nickel Boron matched receiver set. Finding one of these in NEW condition is about as likely as finding Elvis riding a unicorn! All proprietary lower parts are installed as well as a BAD safety. I have had it for a few years and just have has too many other...
Saint victor flat nickel boron trigger and hammer with JP 3.5 trigger spring / full power hammer spring. Also included Geissele 4.5 trigger spring and Geissele trigger and hammer pins.
I have had this in my safe for years now. 40 rnds through it. FN produced 12 inch cold hammer forged barrel. Carbine length gas system. 11 inch rail, PSA labeled, not sure who actually made it. PSA aluminum flip up sights. Griffin recoil comp, about 400 rounds have gone through it. The Lantac...
Very interested buyer looking for Mega Arms Nickel Boron Receiver Set. Understandably this is a rare item, but willing to pay what it takes. Send me a PM.
Looking to sell my Brownells light weight BCG, Nickel Boron coated
Installed this in a new build and put about 40-60 rounds through it with a JP Silent Capture spring and an adjustable gas block. Really smooth shooting combo but my girl bought me a Cryptic Coatings BCG for my bday so I threw...
PSA AK-E M4 MOE AK-47 rifle
Regarded by many as the best AK patterned rifle PSA has made to date & highly sought after / currently not being produced.
This package would be perfect for someone wanting to get into the AK platform (if your going to do it do it right) or a welcome addition to any...
Complete lower receiver with nickel boron finish
Made by R-Guns
Magpul MOE gray collapsible 6-position stock & matching pistol grip and fore grip (not shown)
Cash only, no trades, no shipping. Meet at FFL in Albany/Corvallis/Lebanon area. Buyer pays transfer fees.
Please send all responses in a...
https://www.lwrci.com/LWRCI-Direct-Impingement-Bolt-Carrier_p_223.html
Brand new, unused, straight from LWRC website. Bolt carrier only. True self-lubricating Nickel-Boron carrier for your mil-spec AR-15. Not that imitation stuff you get from Ares or AimSurplus. Full-Auto rated. One-Piece...
Lookin for a NiB bcg, prefer the aero since I’ve used them before and they’ve been great, but toolcraft or others will work too.
Prefer new of course.
Have cash or trades. Pm me
Used 16” 300 BLK upper. Comes complete with bolt carrier group, charging handle, and optic with mount.
This was an upper build I did for my dad to hunt hogs back in Texas. In all honesty, it’s been 10 years or so since I built this and can’t remember what brand it is, nor is it marked anywhere...
Complete AR15 lower with nickel boron finish
Made by R-Guns
Magpul MOE gray collapsible 6-position stock & matching pistol and fore grips
Cash only, no trades. Meet at FFL in Albany/Corvallis/Lebanon area. Buyer pays transfer/BGC fees.
Please send all responses in a PM to me - Thanks
5.56mm NATO Nickel Boron AR15 Upper Assembly
16" match barrel, 5.56x45mm Gov't profile mid-length
Floating handguard with removable picatinny rails
Complete upper assembly, ready for your lower receiver.
Will consider trading for a Glock MOS G40 or G41.
Bonus: I'll throw in five 20-round boxes...
Trijicon ACOG 3.5x
Limited Edition Nickel-Boron
Green Chevron .223/5.56 Reticle
Model: TA11-C-100201
With Trijicon case and scope cover
Awesome scope! Just not using it so need to sell.