WMD Guns

WMD Guns 5.56 AR-15 Bolt Carrier Group Without Hammer - NIB-X Finish - Black

All WMD Guns bolt carrier groups
Wmd Guns 5.56 Ar-15 Bolt Carrier Group Without Hammer - NiB-X Finish - Black - Bolt Carrier Group for AR-15 - view 1

WMD Guns

Overview

The WMD Guns 5.56 AR-15 Bolt Carrier Group features an M16-style design, optimized for 5.56 NATO caliber, ensuring reliable performance and smooth cycling in your build. The Nickel Boron finish provides enhanced durability and resistance to wear, making maintenance easier and reducing friction during operation. This BCG is commonly found in mid-length gas system builds, offering a balanced gas flow and improved reliability.

Specifications

MPNWMDNIBXBCG0001-BLK
Caliber5.56 NATO
StyleM16 Bolt Carrier
FinishNickel Boron

Available Merchants

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Build history on GunPartPicker

Builders on GunPartPicker first added the WMD Guns 5.56 AR-15 Bolt Carrier Group Without Hammer - NIB-X Finish - Black to a build in February 2026. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (79%, then .223 Wylde 13%), split between mid-length (45%) and carbine-length (35%) gas systems, and nearly all AR-15.

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Frequently Built With

The part most often added in each category by the builds that include this one

Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C

Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C

Charging Handle$80in 18% of them
Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7 Government Contour AR-15 Barrel With Gas Block

Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7 Government Contour AR-15 Barrel With Gas Block

Barrel$420in 16% of them
Yankee Hill Machine Complete AR-15 Lower Receiver - M4 Stock

Yankee Hill Machine Complete AR-15 Lower Receiver - M4 Stock

Lower Receiverin 22% of them
Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15

Maximize Your AR-15's Potential with Tacfire's 15" ACE M-LOK Handguard - Black Excellence - HG20-15

Handguard$46in 14% of them
Zro Delta AR-15 Forged M4 Stripped Upper Receiver

Zro Delta AR-15 Forged M4 Stripped Upper Receiver

Upper Receiver$720 · out of stockin 13% of them
Zro Delta AR-15 Fire Control Group Laser Cut Disconnector

Zro Delta AR-15 Fire Control Group Laser Cut Disconnector

Trigger$30 · out of stockin 13% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

79.3%
5.56 NATO79.3%
.223 Wylde12.6%
300 Blackout3.4%
.450 Bushmaster2.3%
.458 SOCOM1.1%
Other1.1%

Gas System

44.6%
Mid-Length44.6%
Carbine34.9%
Rifle16.9%
Pistol3.6%

Builds Featuring This Part

See all builds →

Builds in the community that include the Wmd Guns 5.56 Ar-15 Bolt Carrier Group Without Hammer - NiB-X Finish - Black

BuildPartsTotal
hog hunter 16" 5.56 build
hog hunter 16" 5.56		10$1216.13
Aero Precision 16" 5.56 build
Aero Precision 16" 5.56		26$3218.98
home defense 10.5" 5.56 build
home defense 10.5" 5.56		29$2716.76
Yankee hill machine 10.5" build
Yankee hill machine 10.5"		13$1207.32
16" Aero Precision SBR build
16" Aero Precision SBR		21$1855.35
Spike's tactical 16.5" build build
Spike's tactical 16.5" build		11$1626.01
10.5" 5.56 build
10.5" 5.56		27$2406.40
KE Arms 16" build build
KE Arms 16" build		8$2252.93
DMR 16.5" 5.56 build
DMR 16.5" 5.56		20$750.87
16" PSA build build
16" PSA build		10$580.16
home defense 10.3" build
home defense 10.3"		20$2257.76
16.5" build build
16.5" build		25$2259.52

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