WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NIB-X Crimson
All WMD Guns bolt carrier groups
Click to see full view
WMD Guns
Overview
The WMD Guns AR-15/M16/M4 Bolt Carrier Group is designed for the 5.56 NATO caliber, offering reliable performance in a variety of shooting scenarios. Its Nickel Boron finish provides enhanced lubrication and corrosion resistance, ensuring smoother operation and easier cleaning after use. This BCG is commonly found in builds focused on reliability and ease of maintenance, making it a solid choice for tactical and competitive applications.
Specifications
WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NIB-X Crimson
Available Merchants(1)
Prices checked
Stock Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the WMD Guns AR-15/M16/M4 Bolt Carrier Group BCG 5.56 NIB-X Crimson to a build in August 2026.
Today the one retailer we track is out of stock. Listed prices start at $169.99 at Optics Planet for when it comes back.
Trending bolt carrier groups →
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which bolt carrier group to pick?
We ranked every bolt carrier group by how often it shows up in real builds on GunPartPicker.
Read the guide: The Most Trusted AR-15 BCGs →Check it against the live catalog:
Frequently Built With
Popular alongside bolt carrier groups on GunPartPicker
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Wilson Combat AR-15 Lower Receiver Forged
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AFG-2 Angled Fore Grip - Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
No reviews yet. Be the first to review this product!