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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.
Used for less than 50 rounds before I upgraded my bolt to one with dual ejectors. Never had a problem with this bolt though. It's factory Aero Precision and features the EXO Nickel Boron coating. Highly durable and very slick nickel boron treatment. MPI. Works with any 308 or 6.5 CM carrier...
For Sale are my lightly used, installed but never fired, Sig Sauer dual adjustable MasterShop Style Nickel Boron Nitride Skeleton Trigger for the DASA P220 P224, P226, P227, P228, P229 and M11A1. These after market parts by Armory Craft are in Excellent condition. If you have any questions...
I found this while tearing through some older rifles and uppers I don't use anymore. I bought this new from PSA and it was in a loaner rifle i dont use anymore. Its probably seen 3 or 4 hundred rounds if i had to guess. I'm not really a nickel boron BCG kinda guy. I get they're smooth and easy...
I've got a set of three AR-15/AR-10 slightly-used triggers I'd like to sell as a set (I'm not dividing them up). Two of them come with anit-walk pins and the other one comes with standard pins.
Price is for the set; not interested in trades. Must be willing to meet me near the corner of SW...
AR15 M4E1 complete upper receiver built by Larsen Outfitters with Aero Precision parts! This upper comes with a 16" barrel, chambered in 556 NATO, with a 1/7 twist rate, from Ballistic Advantage. Barrel is made from 4150 CMV steel with a mid-length gas system for softer shooting and is coated...
Saltwater arms barracuda. I have had it a couple years and haven't shot it that much. It has maybe around 400 rounds through it. See last photo for specs.
$900
AR15 complete upper from Larsen Outfitters. Barrel is a 7.5" SS Ultramatch 556 NATO from Rainier Arms. Mil-spec M4 upper receiver, 7" MLOK free float handguard with comp cut. Nickel Boron BCG, A2 flash hider, standard charging handle. All brand new!
Not interested in any trades. I do accept...
AR15 complete rifle with 16" SS Ballistic Advantage SPR barrel. M4E1 series upper and lower, with a 15" ATLAS MLOK slimline handguard, all coated to match in Legal Manufacturing Battleworn Nickel Boron finish. VG6 Epsilon muzzle brake in SS that matches the barrel. Nickel Boron 2-stage trigger...
Hi all,
I have a FailZero BCG for sale, unused. I racked it once or twice when I mocked it up in an upper, and never shot it. Looks new, cause it basically is. I ended up not liking how my ARs looked with silver BCGs or barrels 🤷♂️.
$100, local (pdx area) meetup preferred.
Thanks,
Sean
M4E1 Enhanced Gen 1 free-float handguard from Aero Precision. 15" length, with KeyMod quick attach system on the 3, 6 and 9 o'clock positions, full 1913 picatinny rail on top. Rail has been completely coated in Nickel Boron Battleworn finish from Legal Manufacturing...
Factory assembled. Super light. Super accurate. Tired of being Neglected.
Upper
M4E1 Threaded (FDE)
ATLAS R-One with Battleworn Nib finish (from Legal Manufacturing)
Ballistic Advantage 16” 223 Wylde Hanson Lite barrel with cross pinned low pro gas block and melonite gas tube
VG6 Gamma 556SL...
Psa ar15. Lower is ar15 multi, with their EPT, enhanced polished trigger. Upper is 16” lightweight mlok with the nickel boron BCG.
Optics/sights and foregrip not included, but I’m willing to add them in for the right price.
I’m open to some trades.
Ruger 10/22 takedown, preferably with...
Aero Precision M4E1 complete rifle. Has the Enhanced upper, with the a Gen 2 Enhanced 15" M-LOK handguard. Barrel is Hanson Profile 3-Gun 17.7", Ballistic Advantage 416R SS with a 1/8 twist, 223 Wylde chamber. VG6 Epsilon muzzle brake, Aero nitride BCG, Aero ambi charging handle and a Blown...
Ever wanted to shoot big bore out of your AR? Well look no further. The upper was assembled in Montana by Bass’s Gun rack, the lower was PWS factory complete.
10.5 barrel with Vseven extreme environments Gas tube on Odin works 20 position gas block and Silencerco ASR 3 port Muzzle break...