Description
MPN: NIBXLPKM2 / NIBXLPKM3
Features:
Made in the U.S.A.
NiB-X Nickel Boron trigger group
NiB-X coating for extreme durability, performance and reliability
Nitromet (Melonite) parts for corrosion resistance and true black appearance
Fits all Mil-Spec AR-15 / M16 lower receivers
Does not come with pistol grip
Compatibility:
AR-15 lower receiver
Available in Mod2 and Mod3 configurations:
Mod2: Mil-Spec lower parts with NiB-X Nickel Boron fire control group; NiB-X Nickel Boron bolt catch, mag catch, mag catch button, front pivot pin, rear takedown pin, and safety selector.
Mod3: Mil-Spec lower parts with NiB-X Nickel Boron fire control group; Nitromet bolt catch, mag catch, mag catch button, front pivot pin, rear takedown pin, and safety selector.
Includes:
1x Takedown Pin
1x Receiver Pivot Pin
2x Takedown Pin Detent
2x Takedown Pin Detent Spring
1x Bolt Catch
1x Bolt Catch Plunger
1x Bolt Catch Roll Pin
1x Bolt Catch Spring
1x Buffer Retainer
1x Buffer Retainer Spring
1x NiB-X Hammer
1x NiB-X Trigger
1x Hammer Pin
1x Trigger Pin
1x Hammer Spring
1x Trigger Spring
1x NiB-X Disconnector
1x Disconnector Spring
1x Magazine Catch
1x Magazine Catch Spring
1x Magazine Release Button
1x Safety Selector
1x Selector Detent
1x Selector Detent Spring
1x Pistol Grip Screw and Washer
1x Trigger Guard and Roll Pin
Details:
When you’re building your AR-15, you need a lot of small parts to complete your lower receiver. Eliminate the hassle of buying parts individually by purchasing the WMD Guns AR-15 Lower Parts Kit With NiB-X Nickel Boron Trigger Group. This kit comes with everything you need to build a high-performance AR-15 lower receiver, delivered in one convenient package.
Advanced Coatings
When you buy a WMD lower parts kit from Wing Tactical, you’ll get superior parts with next-level finishes. WMD goes through a painstaking process to create coatings that offer optimal hardness and lubricity.
Numerous parts including the hammer, trigger and disconnector are plated with WMD’s NiB-X, the hardest nickel boron coating on the market. NiB-X provides superior durability and reliability to strengthen parts and extend their life span. It also minimizes friction and wear, significantly reducing the need for frequent lubrication and cleaning to keep the parts working smoothly.
Other essential parts such as the bolt catch, magazine catch and safety selector are coated with Nitromet, a hard, durable melonite finish. Nitromet offers superior corrosion resistance and promises to outlast mil-spec and anodized finishes in most applications. It also gives the parts a true black appearance for a sleek look that complements your rifle.
Find Nickel Boron Lower Receiver Parts for Sale From Wing Tactical
Give your AR-15 a lasting edge by installing a WMD nickel boron lower receiver parts kit. At Wing Tactical, we carry WMD lower parts kits compatible with Mod2 and Mod3 configurations to meet your needs. Get in touch with us today to learn more.


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