With the BCM 5.56 NATO Mid-Length Bhf upper receiver, WMD Guns NIB-X® bolt carrier group and Geissele Super Semi-Automatic trigger.
Updated
First 5.56 NATO Mid-Length AR-15 Build (Mostly Top Recommended)
With the BCM 5.56 NATO Mid-Length Bhf upper receiver, WMD Guns NIB-X® bolt carrier group and Geissele Super Semi-Automatic trigger.
Updated
16 inch AR-15 Specs
How this build compares to other 16 inch AR-15 builds
From parts picked in GunPartPicker builds · November 2026
The BCM 5.56 NATO Mid-Length Bhf is the #1 upper receiver in 16 inch AR-15 builds on GunPartPicker, picked in about 1 in 5 of them. The BCM 5.56 NATO Mid-Length Bhf and Magpul MOE K2 Grip Polymer together show up in 1% of 16 inch AR-15 builds. About 1 in 10 16 inch AR-15 builds share at least 3 parts with this one.
- Upper ReceiverCompare with runner upBCM 5.56 NATO Mid-Length Bhf#1 · 22%Runner up: PSA Upper 5.56 16" Mid-Length Nitride9%
Often replaces the Geissele 16 Super Duty Stripped
- Buffer Tube AssemblyCompare with top pickGeissele Premium#2 · 10%Top pick: BCM Carbine Stock Hardware KIT15%
Often replaces the Geissele Premium
- Light
- Pistol GripCompare with top pickTop pick: Wilson Combat Starburst Gunfighter14%
Often swapped for the Magpul MOE K2 Grip Polymer
- Lower ReceiverCompare with top pickLMT MARS-L Stripped#3 · 6%Top pick: PSA "Stealth" Stripped7%
Often swapped for the Centurion Arms CM4 5.56 Forged
- TriggerCompare with top pickTop pick: Geissele SSA-E X Lightning Bow18%
Often replaces the Geissele G2S Two Stage .154"
- Stock & BraceCompare with top pickMagpul DT-PR Carbine Stock#6 · 5%Top pick: Magpul MOE Stock Collapsible22%
Often replaces the Daniel Defense Collapsible
- Charging HandleCompare with top pickBattle Arms Development Rack#22 · under 1%Top pick: Radian Raptor & Talon Safety Selector14%
- Bolt Carrier GroupCompare with top pickWMD Guns NIB-X®#22 · under 1%Top pick: BCM M16 Bolt Carrier Group Black27%
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See popular 16 inch AR-15 builds16 inch AR-15 Parts List(19 parts)
Other Builds Using These Parts
Browse all builds →Community builds that share parts with this one — compare specs and pricing
| Build | Shared | Total |
|---|---|---|
 | 2 parts | $7548.73 |
 | 2 parts | $3838.92 |
 | 2 parts | $662.90 |
 | 1 part | $3398.44 |
 | 1 part | $7040.68 |
 | 1 part | $6967.18 |
 | 1 part | $2943.65 |
 | 1 part | $2894.16 |