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nitrided
Nitriding is a heat treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface. These processes are most commonly used on low-carbon, low-alloy steels. They are also used on medium and high-carbon steels, titanium, aluminium and molybdenum. In 2015, nitriding was used to generate unique duplex microstructure (Martensite-Austenite, Austenite-ferrite), known to be associated with strongly enhanced mechanical properties
Typical applications include gears, crankshafts, camshafts, cam followers, valve parts, extruder screws, die-casting tools, forging dies, extrusion dies, firearm components, injectors and plastic-mold tools.
Sorry but WA folks will have to have these items shipped to friends or family in more free State, as BCA is refusing to ship to WA.
https://www.bearcreekarsenal.com/556-16-bn-m4-chf-barrel-1-8-twist-carbine-15-mlok-upper.html
Add a couple of these to get free shipping on your order...
I understand BP and BP subs create a lot of fouling and corrosion compared to smokeless powders. Would a nitrided barrel clean easier and resist the corrosion?
https://www.primaryarms.com/diamondback-firearms-308-win-1-8-4150-nitride-midlength-ar-308-barrel-16in
Don't buy this if you want to avoid consumerism.
$20 more plus shipping would get you a stainless 18" barrel direct from DB...
For sale is a like new in package Bushmaster 16" Pencil Barrel Assembly. See specs here: https://www.righttobear.com/bushmaster-16-1-5-56-carbine-length-ar-15-pencil-barrel-w-double-pinned-gas-block-barrel-nut-end-cap/
FTF in Wilsonville, Tualatin or Tigard area. No shipping. $90 cash or...
https://www.brownells.com/rifle-parts/bolt-parts/bolt-carrier-groups/308ar-bolt-carrier-groups-prod105380.aspx
Edit: For those wanting to use this in a 6.5CM application, users have reported that the Nitride version has a high pressure suited bolt. The Nib version at one time did not have the...
https://www.bearcreekarsenal.com/upper-assemblies/fluted-upper-assemblies/977-uasch223wrhb2018mf-15m3.html
Other deals going on now or coming up in the next few days:
https://www.bearcreekarsenal.com/blog/its-time-for-sales.html
Edit: one note worth mentioning is that this barrel is not dimpled for the gas block screw. If you are not comfortable with dimpling the barrel yourself or using a clamp on gas block (my recommendation) then I would search for a different barrel...
Was thinking I'd stash this away on my journey. But I need to see what I can do about completing my current projects.
New never used. Never even seen the inside of a receiver. And really nice.
Trades.
Looking for a Glock 19 slide. I can add a little cash.
Just need the completed slide...
Brand new 10.5 AR15 barrel for sale. aero precision.
Nitrided, M4 feed Ramps, never installed, never shot, never even had fingerprints, brand new 10.5” 5.56 NATO QPQ Aero barrel. Excellent shape, not a single flaw that I can find. Decided to go with a 12.5 or id keep it. Perfect for a Mk18...
Please PM with any questions or to set up a time to meet.
For sale is a new in package Aero 5.56 bolt carrier group. This is a quality unit that is difficult to find in stock right now. Along with the BCG (package deal), I am selling 200rnds of 223, 50rnds of 9mm and 275rnds of 22LR ammo...
https://willamettemachine.com/product/white-label-armory-m16-bolt-carrier-group-9130-bolt-with-billet-extractor-black-nitride/
I think Willamette Machine may be in Woodburn, is anybody familiar with them? I might buy one of these if I could pick it up and avoid shipping cost.
Edit: I emailed...