D
dereschuk64_53love it
Reviewed on April 17, 2026Verified with Build
ran a 30 round mag dump with no malfunctions. extractor grip is solid
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Diamondback Firearms 5.56 Ar-15 Bolt Carrier Group - Nitride
Diamondback
Overview
The Diamondback Firearms 5.56 Ar-15 Bolt Carrier Group - Nitride is a bolt carrier group. Compare prices from multiple merchants and find the best deal.
Specifications
Cartridge5.56 NATO
StyleAR-15 Bolt Carrier
FinishNitride
Available Merchants
Price Alert
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Frequently Built With
Based on build data
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower Receiver
Wilson Combat Ar-15 Billet Upper Receiver
Upper Receiver
Yankee Hill Machine Complete Ar-15 Lower Receiver - M4 Stock
Lower ReceiverBuild Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
93.9%
AR-1593.9%
AR-106.1%
CaliberBased on real build data showing which calibers builders choose alongside this product.
72.6%
5.56 NATO72.6%
.223 Wylde10.5%
300 Blackout8.4%
.450 Bushmaster5.3%
.223 Remington1.1%
Other2.2%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
50.6%
Mid-Length50.6%
Carbine23.5%
Rifle16.5%
Pistol9.4%
| Product | Category | Times Built Together |
|---|---|---|
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 29 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 26 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 26 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 23 |
| Wilson Combat Ar-15 Billet Upper Receiver | Upper Receiver | 19 |
| Yankee Hill Machine Complete Ar-15 Lower Receiver - M4 Stock | Lower Receiver | 15 |
| Platform | Percentage |
|---|---|
| AR-15 | 93.9% |
| AR-10 | 6.1% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 72.6% |
| .223 Wylde | 10.5% |
| 300 Blackout | 8.4% |
| .450 Bushmaster | 5.3% |
| .223 Remington | 1.1% |
| .308 Win | 1.1% |
| 6mm ARC | 1.1% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50.6% |
| Carbine | 23.5% |
| Rifle | 16.5% |
| Pistol | 9.4% |
Builds Featuring This Part
See all 22 →Builds in the community that include the Diamondback Firearms 5.56 Ar-15 Bolt Carrier Group - Nitride
| Build | Parts | Total |
|---|---|---|
 | 18 | $1826.58 |
 | 8 | $556.49 |
 | 5 | $161.50 |
 | 22 | $1723.66 |
 | 14 | $744.19 |
 | 33 | $2682.41 |
| 28 | $3356.33 |
 | 25 | $1252.78 |
 | 21 | $1101.66 |
 | 10 | $431.05 |
| 10 | $1545.77 |
 | 18 | $977.70 |
Customer reviews
4.5out of 5
2 global ratings
Top reviews
E
epark428_556minor gripes
Reviewed on April 13, 2026Verified with Build
good bcg overall. wish the gas key screws came already torqued
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