WMD GUNS NIB-X 5.56 BOLT ASSEMBLY

Upgrade your AR-15 drive system with the WMD Guns NiB-X 5.56 Bolt Assembly, built to deliver maximum operational reliability, high corrosion resistance, and effortless cleaning under heavy fire. Whether you're running standard factory loads or high-volume suppressed rounds, this complete bolt assembly ensures crisp cycling and long-lasting durability.

Coated inside and out with WMD’s proprietary NiB-X nickel boron finish, this component features an ultra-low friction coefficient that reduces wear on internal receiver parts and allows your firearm to cycle smoothly even with minimal lubrication. Carbon fouling and powder residue wipe off effortlessly, making maintenance faster and easier after long range sessions.

Precision-machined from mil-spec quality steels, heat-treated, and shot-peened for high structural integrity, each bolt assembly is magnetic particle inspected (MPI) to guarantee flawless performance under extreme pressure.

Key Features & Specifications:

• Complete 5.56/.223 Bolt Assembly: Includes bolt, extractor, ejector, gas rings, and internal pin assembly.
• NiB-X Nickel Boron Finish: Superior self-lubricating surface with high wear and corrosion protection.
• Mil-Spec Quality Construction: Premium heat-treated steel, shot-peened for extended fatigue life.
• MPI Inspected: Magnetic Particle Inspected to ensure zero hidden cracks or stress defects.
• Easy Maintenance: Ultra-slick surface prevents heavy carbon buildup for quick wipe-down cleaning.
• Standard Platform Fit: Direct drop-in component for standard AR-15 bolt carrier groups.