What is NiB-X coating from WMD Guns?

NiB-X is WMD's proprietary nickel boron coating that improves wear resistance, corrosion protection, and lubricity on firearm components like BCGs and triggers.

Are WMD Guns BCGs compatible with mil-spec AR-15s?

Yes, WMD Guns NiB-X BCGs are fully compatible with standard AR-15 platforms and meet or exceed mil-spec tolerances.

Is NiB-X worth it for suppressed builds?

Yes. The NiB-X coating reduces friction and fouling, making it an excellent upgrade for suppressed or high-volume shooting setups.

WMD Guns – NiB-X BCGs, Triggers & AR-15 Parts

Name: WMD Guns Firearm Components
Brand: WMD Guns

**Wmd Nib-x Bcg Without Hammer 556 Blk** $166.94

**Wmd Nib-x Bcg Without Hammer 308** $254.15

**Wmd Nib-x Bcg With Hammer 556** $166.94

**Wmd Nib-x Bcg Without Hammer 556** $153.10

**Wmd Accent Build Kit 556 Fde** $148.50

**Wmd Accent Build Kit 556 Red** $148.50

**Wmd Accent Build Kit 556 Nib-x** $105.92

WMD Guns – NiB-X® Coated AR Parts & Performance Kits

WMD Guns is a leader in firearms innovation, known for their patented NiB-X® nickel boron coating—one of the most advanced surface treatments available for AR-15 components. Whether you're upgrading your bolt carrier group, looking for a complete AR build, or need enhanced reliability in harsh conditions, WMD Guns delivers proven performance, inside and out.

At Mounts Plus, we stock a full range of WMD Guns parts and accessories, from NiB-X-coated BCGs to complete rifles, lower parts kits, and trigger groups—all engineered for maximum reliability and reduced friction.

🔧 Best-Selling WMD Guns Products

NiB-X Bolt Carrier Groups (BCGs)

Precision-machined and NiB-X coated
Compatible with AR-15 and AR-10 platforms
Reduced friction = cleaner, smoother cycling
Easier to clean and longer-lasting

Coated Trigger Groups

Drop-in fire control kits with nickel boron-coated surfaces
Smoother trigger pull and reset
Increased corrosion resistance

AR-15 Lower Parts Kits

Complete kits with enhanced components
NiB-X coated where it counts: hammers, triggers, disconnectors

WMD Full AR Kits & Uppers

Build-ready rifle kits with NiB-X BCGs and coated internals
Available in various calibers, including 5.56 and .308
Built for shooters who demand reliability under pressure

🧱 Why Choose WMD Guns?

✅ Proprietary NiB-X Coating – Up to 40% harder than chrome
✅ Self-lubricating surfaces – Runs cleaner, smoother, longer
✅ Increased corrosion & wear resistance
✅ Trusted by military, LE, and competitive shooters
✅ Made in the USA and quality inspected

Whether you're shooting suppressed, in high-heat environments, or want a BCG that simply outperforms, WMD's NiB-X components offer real-world advantages.

🧠 FAQs – WMD Guns Products

Q: What is NiB-X coating?
A: NiB-X® is WMD Guns’ proprietary nickel boron coating. It provides exceptional hardness, lubricity, and corrosion resistance, making it ideal for bolt carrier groups, triggers, and AR components.

Q: Is a NiB-X BCG worth the upgrade?
A: Absolutely. Compared to phosphate or nitride coatings, NiB-X BCGs run cleaner, resist fouling, and require less lubrication, improving long-term reliability.

Q: Are WMD kits mil-spec?
A: Yes. WMD kits meet or exceed mil-spec standards and include enhanced, coated parts for better performance.

Q: Can I use WMD BCGs in suppressed builds?
A: Yes. NiB-X’s low friction properties make it ideal for suppressed rifles, where carbon and fouling are more intense.

⭐ Customer Reviews

“Best BCG I’ve ever used.”
“My WMD BCG stays cleaner, runs smoother, and has outlasted every other bolt I’ve tried. Highly recommend.” – Alex P.

“Cleaned less, shot more.”
“NiB-X coating is legit. I run suppressed, and this has drastically reduced buildup and maintenance time.” – Daniel T.

Shop WMD Guns Parts at Mounts Plus

From individual components to complete AR kits, WMD Guns offers premium performance through advanced coatings and precision machining. Whether you’re upgrading your rifle for duty, defense, or competitive shooting, WMD has you covered.

Precision. Protection. Proven performance.

Shop WMD Guns now and experience the NiB-X advantage.