WMD NIB-X BCG WITHOUT HAMMER 556

WMD NiB-X BCG Without Hammer – 5.56

The WMD NiB-X Bolt Carrier Group Without Hammer is a premium, drop-in upgrade for AR-15 rifles chambered in 5.56 NATO, .223 Remington, and .300 Blackout. Featuring WMD’s proprietary NiB-X (Nickel Boron) coating, this BCG delivers unmatched smoothness, superior corrosion resistance, and long-lasting durability for shooters who expect top-tier performance.

High-Performance BCG for Demanding Shooters

Built to meet or exceed mil-spec standards, this BCG is ideal for both new builds and seasoned rifles that need a high-quality, low-maintenance bolt carrier group. Without a hammer included, this version gives you the flexibility to pair it with your preferred fire control group, making it perfect for custom AR-15 setups.

Key Features

• Caliber Compatibility: Works with 5.56 NATO, .223 Remington, and .300 Blackout
• NiB-X Coating: Advanced Nickel Boron finish for ultra-smooth cycling and superior resistance to wear, fouling, and corrosion
• 9310 Steel Bolt: Heat-treated, shot-peened, and MPI-tested for strength and longevity
• M16 Full-Auto Profile Carrier: Full-auto rated for durability and compatibility
• Properly Staked Gas Key: Ensures long-lasting, secure operation
• Includes: Bolt, carrier, cam pin, firing pin, and retaining pin (hammer not included)

Why NiB-X Coating Sets This BCG Apart

WMD’s NiB-X coating is harder than chrome, smoother than phosphate, and more corrosion-resistant than traditional finishes. It dramatically reduces carbon buildup and friction between moving parts—meaning fewer malfunctions, easier cleaning, and longer life for your rifle’s internals.

Lightweight Maintenance with Heavyweight Performance

Whether you're running suppressed, operating in extreme environments, or simply want the cleanest-running system possible, the WMD NiB-X BCG delivers performance you can rely on. Its self-lubricating surface resists grime and keeps your rifle running smoother for longer intervals between cleanings.

Upgrade to NiB-X Reliability

The WMD NiB-X BCG Without Hammer is a trusted upgrade for AR-15 builders and enthusiasts who demand performance, reliability, and reduced maintenance. Whether you’re shooting competitively, building your dream rifle, or upgrading for home defense, this BCG will keep your system running clean and smooth. Order today and elevate your AR with WMD quality.