Wmd Guns M16 Nib-X® Bolt Carrier Group

Wmd Guns M16 Nib-X® Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 1
Wmd Guns M16 Nib-X® Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 2
Wmd Guns M16 Nib-X® Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 3
Wmd Guns M16 Nib-X® Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 4
Wmd Guns M16 Nib-X® Bolt Carrier Group - Bolt Carrier Group for AR-15 - view 5
Buy Now

WMD Guns

Overview

The WMD Guns M16 Nib-X® Bolt Carrier Group is designed specifically for the 5.56 NATO caliber and features a distinctive Nickel Boron finish, which enhances durability and promotes smoother cycling during operation. This M16-style BCG is engineered to provide reliable performance, making it an essential component for builders seeking a robust and efficient upper assembly. Commonly found in mid-length gas system builds, this BCG helps optimize reliability and overall function in a variety of applications.

Specifications

MPN1-NIBXBCG0001
Caliber5.56 NATO
FinishNickel Boron
StyleM16

Available Merchants(2)

Price Alert

Log in to set a price alert on this product.

Ammunition Depot logo
Ammunition Depot
Shipping calculated at checkout
Shipping Speed
In Stock
$172
Optics Planet logo
Optics Planet
Free shipping over $49
Shipping Speed
Out of Stock
$159

Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

91.7%
AR-1591.7%
AR-104.2%
AR-94.2%

Caliber

79.2%
5.56 NATO79.2%
300 Blackout8.3%
.458 SOCOM4.2%
6mm ARC4.2%
.223 Wylde4.2%

Gas System

40%
Mid-Length40%
Carbine35%
Pistol10%
Rifle10%
Intermediate5%
Frequently Built With Products
ProductCategoryTimes Built Together
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers9
Magpul AFG-2 Angled Fore Grip - Black9
Yankee Hill Machine Co., Inc. Ar-15 16.5" Threaded Fluted Barrel 1-8 Twist7
Yankee Hill Machine Complete Ar-15 Lower Receiver - M4 Stock7
Yankee Hill Machine Co., Inc. Ar-15 Gas Tube Black Rifle7
Yankee Hill Machine Ar-15 Charging Handle7
Build Platform Breakdown
PlatformPercentage
AR-1591.7%
AR-104.2%
AR-94.2%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO79.2%
300 Blackout8.3%
.458 SOCOM4.2%
6mm ARC4.2%
.223 Wylde4.2%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length40%
Carbine35%
Pistol10%
Rifle10%
Intermediate5%

Builds Featuring This Part

See all 19

Builds in the community that include the Wmd Guns M16 Nib-X® Bolt Carrier Group

BuildPartsTotal
my 5.56 build
11$717.78
wilson combat 16" build
14$1913.71
Second 5.56 build
22$2561.39
16.5" 5.56
27$2308.80
wilson combat 14.5" .223 wylde
24$1176.14
10.5" 5.56
30$2966.99
16.5" build
12$1363.96
Sharps Bros 16" 5.56
18$1216.57
range 18" 5.56
34$6860.60
Yankee Hill Machine 16.5" 5.56
9$453.25
16" recce
16$1207.91
Latest 5.56 build
30$2926.58

Customer reviews

4.0out of 5

1 global rating

Review this product

Share your thoughts with other customers

Write a customer review

Top reviews

B
Byers_Remorsex
Nib-X coating slick but shows
Reviewed on March 6, 2026Verified with Build

WMDs Nib-X BCG cycles smoothly thanks to the slick coating, doesnt need much lube. The mirror finish scratches more easily than expected from holster contact or rough handling. Function unaffected.

|